{"product_id":"airtac-scj-adjustable-stroke-type-scj250x357-75stctcm1","title":"Airtac SCJ series: adjustable double-rod cylinder - SCJ250X357-75STCTCM1","description":"\u003cdiv class=\"scp\" style=\"font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.6;color:#253442;max-width:100%;overflow-wrap:anywhere\"\u003e\n\u003cstyle\u003e@scope{.sct{border-collapse:collapse}.sct :is(th,td){font-size:14px!important;vertical-align:top}.sct tbody\u003etr{border-bottom:1px solid #d8e1e7}.sct th{text-align:left}.sct th:first-child{width:38%}.sct thead\u003etr{background:#eef3f6}:scope\u003ep{margin:10px 0}:scope\u003eh3{font-size:18px;color:#172f42;margin:22px 0 10px}.scw{margin:12px 0}}\u003c\/style\u003e\n\u003cp\u003eSpecifications: SCJ250X357-75STCTCM1 — Airtac SCJ double-rod, double-acting stroke-adjustable tie-rod cylinder; 250 mm bore, 357 mm nominal stroke, 75 mm adjustment option, with magnet, NBR seal option and PT1 working ports.\u003c\/p\u003e\n\u003ch3\u003eProduct Catalog\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0714\/2336\/1327\/files\/airtac-sc-ok3.pdf?v=1780217143\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#0067a5;color:#fff;padding:10px 16px;text-decoration:none;border-radius:4px;max-width:100%;box-sizing:border-box\"\u003eDownload Airtac Product Catalog (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eFor product dimensions and mounting drawings, download and refer to the PDF catalog.\u003c\/p\u003e\n\u003ch3\u003eModel Code Explained\u003c\/h3\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eCode\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMeaning\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCJ\u003c\/td\u003e\n\u003ctd\u003eDouble-rod, double-acting cylinder with adjustable stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e250 mm bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eX\u003c\/td\u003e\n\u003ctd\u003eSeparator before nominal stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e357\u003c\/td\u003e\n\u003ctd\u003e357 mm nominal stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eSeparator before adjustment stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e75 mm adjustment-stroke option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003eMagnetic piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTCTCM1\u003c\/td\u003e\n\u003ctd\u003eSeller-defined TC + TCM1 package: F-SC250TC trunnion mount with F-SC250TCM1 support; not a factory concatenated suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo seal-material suffix\u003c\/td\u003e\n\u003ctd\u003eNBR seal option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo thread suffix\u003c\/td\u003e\n\u003ctd\u003ePT1 working ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSCJ250X357-75STCTCM1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAction\u003c\/td\u003e\n\u003ctd\u003eDouble acting, double rod, adjustable stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore\u003c\/td\u003e\n\u003ctd\u003e250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal stroke\u003c\/td\u003e\n\u003ctd\u003e357 mm; Special stroke; confirm order and delivery conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustment stroke\u003c\/td\u003e\n\u003ctd\u003e75 mm adjustment option, not a second powered stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eTie-rod; ISO6430: SC-family design reference, not verified SCJ overall conformity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic piston\u003c\/td\u003e\n\u003ctd\u003eWith magnet; sensors separately selected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting selection\u003c\/td\u003e\n\u003ctd\u003eTrunnion mount with support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal option\u003c\/td\u003e\n\u003ctd\u003eNBR; basic O-ring materials are family references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort thread\u003c\/td\u003e\n\u003ctd\u003ePT1; two working air ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking medium\u003c\/td\u003e\n\u003ctd\u003eClean compressed air; 40 µm or finer filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating pressure\u003c\/td\u003e\n\u003ctd\u003e0.15–1.0 MPa (1.5–10 bar; approximately 22–145 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProof pressure\u003c\/td\u003e\n\u003ctd\u003e1.5 MPa (15 bar); not continuous operating pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−20 to 70 °C; avoid freezing condensate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston speed\u003c\/td\u003e\n\u003ctd\u003e30–500 mm\/s; match controls to load, piping and adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal-stroke tolerance\u003c\/td\u003e\n\u003ctd\u003e+1.5 \/ 0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCushioning\u003c\/td\u003e\n\u003ctd\u003eAdjustable pneumatic cushioning; 40 mm nominal cushion-stroke reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRod diameter \/ end thread\u003c\/td\u003e\n\u003ctd\u003e50 mm \/ M42×2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor selection\u003c\/td\u003e\n\u003ctd\u003eCMSG, DMSG or EMSG G-profile sensor with the specified tie-rod holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated cylinder weight\u003c\/td\u003e\n\u003ctd\u003e43420 g; engineering reference, not measured shipping weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eEngineering weight estimate using the same-bore SC catalog as a baseline plus an equivalent extra-rod allowance with representative steel density. The adjustment mechanism, changed covers and internal details are not separately mass-resolved. Mounts, rod-end joints, sensors, fittings and packaging are excluded. This is not an official SCJ net mass or a measured shipping weight; no error bound is established. Use the actual weighed assembly for handling and shipping.\u003c\/p\u003e\n\u003cp\u003eConfirm actual travel, stop setting and end positions; the adjustment code alone does not specify usable travel. Check cushioning at the setting; strokes shorter than 40 mm cannot provide full nominal cushion travel.\u003c\/p\u003e\n\u003ch3\u003eFeatures and Operation\u003c\/h3\u003e\n\u003cp\u003eSCJ provides double-acting through-rod motion and stroke adjustment. Family references: aluminium-alloy barrel and covers with tie rods, compact bidirectional grease-retaining piston seal, adjustable pneumatic cushioning.\u003c\/p\u003e\n\u003cp\u003eConfirm the ordered cylinder for the 150 °C special-seal feature; this NBR configuration remains −20 to 70 °C.\u003c\/p\u003e\n\u003ch3\u003eExternal and Mounting Dimensions\u003c\/h3\u003e\n\u003cp\u003eDimensions: mm except threads; magnetic\/nonmagnetic basic dimensions are equal. Drawing lengths do not guarantee the installed\/moving envelope. Check clearance for both rods, adjustment, mounts, rod joints, fittings and sensors.\u003c\/p\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall drawing reference: A + 2 × stroke + adjustment\u003c\/td\u003e\n\u003ctd\u003e1198 mm = 409 + 2 × 357 + 75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody face span: AC + stroke\u003c\/td\u003e\n\u003ctd\u003e510 mm = 153 + 357\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear drawing span: DB + stroke + adjustment\u003c\/td\u003e\n\u003ctd\u003e512 mm = 80 + 357 + 75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear adjustment reference: DB + adjustment\u003c\/td\u003e\n\u003ctd\u003e155 mm = 80 + 75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody width × height\u003c\/td\u003e\n\u003ctd\u003e267 × 267 mm (□B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting holes\u003c\/td\u003e\n\u003ctd\u003e8 × M20×2.5 (K), 26.5 mm deep (KA); 202 × 202 mm centers (□KB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRod diameter \/ end thread\u003c\/td\u003e\n\u003ctd\u003eD = 50 mm; E = M42×2.0; EA = 84 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront locating and local geometry\u003c\/td\u003e\n\u003ctd\u003eM = 86; MA = 35; AB = 141; DA = 106; F = 65; FA = 21; H = 46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover \/ port local geometry\u003c\/td\u003e\n\u003ctd\u003eAD = 48; AE = 48; PA = 25.5; PB = 22 mm; P = PT1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelected accessory\u003c\/td\u003e\n\u003ctd\u003eTC: Trunnion mount; part F-SC250TC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eDuctile cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC + stroke\u003c\/td\u003e\n\u003ctd\u003e510 mm = 153 + 357\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory dimensions (mm)\u003c\/td\u003e\n\u003ctd\u003eEB = 394; ED = 202; EE = 304; EP = 45; ET = 56; I = 65; S = 267\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrunnion center from body face\u003c\/td\u003e\n\u003ctd\u003e255 mm = (153 + 357) \/ 2; illustrated midpoint between body faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelected accessory\u003c\/td\u003e\n\u003ctd\u003eTCM1: Trunnion support; part F-SC250TCM1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eDuctile cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC + stroke\u003c\/td\u003e\n\u003ctd\u003e510 mm = 153 + 357\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory dimensions (mm)\u003c\/td\u003e\n\u003ctd\u003eHA = 215; HB = 165; HE = 394; HF = 349; HP = 26; HQ = 45; HR = 394; HT = 28; HJ = 160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrunnion center from body face\u003c\/td\u003e\n\u003ctd\u003e255 mm = (153 + 357) \/ 2; illustrated midpoint between body faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eAccessory\/body dimensions do not replace the SCJ overall formula. Order TC with the cylinder, match TCM1 and use its specified position; do not arbitrarily reposition TC.\u003c\/p\u003e\n\u003ch3\u003eMounting and Rod-End Accessories\u003c\/h3\u003e\n\u003cp\u003eMounting: basic, LB, FA or TC with TCM1; match load direction and motion. Listed parts do not imply included supply\/quantity. Confirm assembly and support quantities for seller-defined TC+TCM1.\u003c\/p\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003ePart \/ assembly code\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplication and reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-SC250LB\u003c\/td\u003e\n\u003ctd\u003eFoot mount; Ductile cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-SC250FA\u003c\/td\u003e\n\u003ctd\u003eFront flange; Cast steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-SC250TC\u003c\/td\u003e\n\u003ctd\u003eTrunnion mount; Ductile cast iron; order with the cylinder and match TCM1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-SC250TCM1\u003c\/td\u003e\n\u003ctd\u003eTrunnion support; Ductile cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-M42X200I\u003c\/td\u003e\n\u003ctd\u003eI-type rod-end joint; 4123 g catalog reference. Drawing dimensions: NC = 40; ND = 168; NE = 211; NF = 85; NG = 62; NH = M42×2.0; NM = 40.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-M42X200Y\u003c\/td\u003e\n\u003ctd\u003eY-type rod-end joint; 5480 g catalog reference. Drawing dimensions: NA = 85; NC = 40; ND = 168; NP = 86; NQ = 211; NM = 40.3; NH = M42×2.0; PA = 115; PB = 93.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eThe rod-end choices use M42×2.0. Dimensions are in mm except threads and angles. Carbon-steel classification does not specify all subcomponents\/finishes. Add only supplied accessory mass.\u003c\/p\u003e\n\u003cp\u003eVerify genuine SCJ seal kits, wear rings, guide bushings, nuts, covers and adjustment parts by exact model, seal and production revision. Drawing numbers and bore size are not service ordering codes. Replacement magnets concern magnetic configurations only.\u003c\/p\u003e\n\u003ch3\u003eForce and Circuit Selection\u003c\/h3\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal effective area, both directions\u003c\/td\u003e\n\u003ctd\u003e47123.89 mm² = π \/ 4 × (250² − 50²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalculated force at 0.5 MPa, both directions\u003c\/td\u003e\n\u003ctd\u003e23561.94 N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForce calculation\u003c\/td\u003e\n\u003ctd\u003eForce (N) = annular pressure area (mm²) × pressure (MPa), before friction, backpressure and dynamic losses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad-ratio guidance\u003c\/td\u003e\n\u003ctd\u003eUp to 0.7 at static\/low speed, 0.5 at 50–500 mm\/s and 0.3 above 500 mm\/s, subject to cylinder speed limits; not guaranteed payload\/structural safety factors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eEqual-diameter through-rod calculation. Size for annular area, load, adjusted travel, line losses, valve flow and exhaust backpressure; bore alone does not determine speed\/payload.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cp\u003eQualified staff must select, install and service the system. Guard both moving rod ends and secure the cylinder, loads and attachments. Before service or adjustment, isolate air and electricity, vent pressure and secure motion. Design safe responses to air\/power loss, emergency stops and restart.\u003c\/p\u003e\n\u003cp\u003eCheck protection from corrosive gas, chemicals, solvents, salt, water or steam, explosive atmospheres, vibration, radiant heat and sunlight. Protect sliding surfaces from damage, dust, humidity, splashes, oil and coolant. Prevent condensate freezing; external magnetic fields may disturb magnetic sensing.\u003c\/p\u003e\n\u003cp\u003eUse clean, dry, purified compressed air. Remove water, particles, oxidized oil, tar and carbon; filter to 40 µm or finer. Confirm suitability for other fluids and synthetic-oil contaminants. Excessively dry air may shorten life unless the component is designed for it.\u003c\/p\u003e\n\u003cp\u003eFactory lubrication normally needs no added oil. Once oil is introduced, continue additive-free ISO-VG32 turbine oil; incompatible oil may swell seals. The guide gives oil mist ≤25 mg\/m³ and 0.5–5 drops per 1000 L. Size the lubricator for actual flow and avoid excess oil.\u003c\/p\u003e\n\u003cp\u003eBlow pipes clean; start sealing tape 1.5–2 threads back to keep fragments out. Use suitable flame-resistant or metal tube near hot spatter. Check each tube’s pressure, temperature, OD, ID and bend radius; generic nylon\/PU advice cannot override its rating.\u003c\/p\u003e\n\u003cp\u003ePT1 piping torque: 36–40 N·m with the specified mating connection; not a G\/NPT installation or sensor-adjustment torque.\u003c\/p\u003e\n\u003cp\u003eUse speed controls at both working ports; start closed and open slowly. Meter-out commonly stabilizes motion and reduces startup runout. Adjust cushioning gradually for the load and speed, avoiding impact, rebound or forcing its screw. High mass or speed may need engineered deceleration or an external absorber.\u003c\/p\u003e\n\u003cp\u003eAir compressibility and leakage prevent assuming precise prolonged intermediate stopping with a closed-center valve or precise cylinder synchronization. Verify the adjusted travel, mechanical stop setting, available cushioning, air consumption and clearances for the actual application.\u003c\/p\u003e\n\u003cp\u003eAlign rod and load motion and provide independent guidance against side load, bending and torque. Check long-rod buckling, sag and vibration; support long spans and limit unsupported lever arms. Use a suitable TC pivot arrangement for swinging motion rather than forcing a rigid LB mount. Check bracket loads and flange orientation.\u003c\/p\u003e\n\u003cp\u003eDuring long storage, operate periodically and prevent corrosion, following the air-quality and lubrication requirements.\u003c\/p\u003e\n\u003ch3\u003eInternal Components — Family Reference\u003c\/h3\u003e\n\u003cp\u003eMaterials below are basic SC-family references. Not a complete SCJ double-rod\/adjustment-mechanism BOM. Item numbers identify drawing references, not service codes; verify parts for the production revision.\u003c\/p\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eFamily drawing item\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eBasic material reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 — Rod-end nut\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 — Piston rod\u003c\/td\u003e\n\u003ctd\u003eS45C hard-chrome-plated ground rod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 — Front-cover O-ring\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 — Guide bushing\u003c\/td\u003e\n\u003ctd\u003eWear-resistant material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 — Front cover\u003c\/td\u003e\n\u003ctd\u003eAluminium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 — Cushion O-ring\u003c\/td\u003e\n\u003ctd\u003eTPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7 — O-type seal ring\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8 — Cylinder barrel\u003c\/td\u003e\n\u003ctd\u003eAluminium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9 — Piston\u003c\/td\u003e\n\u003ctd\u003eAluminium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 — Piston-rod O-ring\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11 — Piston O-ring\u003c\/td\u003e\n\u003ctd\u003eNBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 — Magnet\u003c\/td\u003e\n\u003ctd\u003ePlastic magnet; magnetic configuration only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13 — Wear ring\u003c\/td\u003e\n\u003ctd\u003eWear-resistant material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14 — Hex-socket screw\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15 — Rear cover\u003c\/td\u003e\n\u003ctd\u003eAluminium alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 — Tie rod\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e17 — Tie-rod nut\u003c\/td\u003e\n\u003ctd\u003eCarbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eSeries Ordering Options\u003c\/h3\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries identity\u003c\/td\u003e\n\u003ctd\u003eSCJ: double-rod, double-acting cylinder with adjustable stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustment-stroke options\u003c\/td\u003e\n\u003ctd\u003e10, 20, 30, 40, 50, 75, 100 mm; second numeric slot after the hyphen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNo suffix: without magnet; S: magnetic piston\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal material\u003c\/td\u003e\n\u003ctd\u003eNo suffix: NBR; H: Fluororubber. This product uses the blank-code NBR.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eBasic, LB, FA or TC with matching TCM1; TC+TCM1 package identifiers are seller-defined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread options\u003c\/td\u003e\n\u003ctd\u003ePT, G and NPT; match the complete ordered port and fitting thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard nominal strokes\u003c\/td\u003e\n\u003ctd\u003e25, 50, 75, 80, 100, 125, 150, 160, 175, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog nominal-stroke limits\u003c\/td\u003e\n\u003ctd\u003eMaximum stroke 1500 mm; allowable stroke 2000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eThe large-bore page gives no numerical non-standard-stroke threshold. Confirm ordering\/delivery of other non-listed strokes. Match travel and clearance to the actual adjustment; it is not a powered stage.\u003c\/p\u003e\n\u003ch3\u003eMagnetic Sensors and Connection Leads\u003c\/h3\u003e\n\u003cp\u003eThis S cylinder accepts G-profile DMSG, CMSG and miniature EMSG sensors using the matching F-SC250SH tie-rod holder. Sensors, holders and mating leads are separately ordered; select the output and load circuit. The following permitted codes do not guarantee inventory or included supply.\u003c\/p\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eSensor \/ separate accessory\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eComplete ordering choices\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDMSG two-wire\u003c\/td\u003e\n\u003ctd\u003estandard: DMSG-020,DMSG-030,DMSG-050,DMSG-100,DMSG-M08,DMSG-M08010,DMSG-M08020,DMSG-M08030,DMSG-M12,DMSG-M12010,DMSG-M12020,DMSG-M12030; W: DMSG-020-W,DMSG-030-W,DMSG-050-W,DMSG-100-W; A05: A05-DMSG-020,A05-DMSG-030,A05-DMSG-050,A05-DMSG-100; A06: A06-DMSG-020,A06-DMSG-030,A06-DMSG-050,A06-DMSG-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDMSG NPN three-wire\u003c\/td\u003e\n\u003ctd\u003estandard: DMSG-N020,DMSG-N030,DMSG-N050,DMSG-N100,DMSG-NM08,DMSG-NM08010,DMSG-NM08020,DMSG-NM08030,DMSG-NM12,DMSG-NM12010,DMSG-NM12020,DMSG-NM12030; W: DMSG-N020-W,DMSG-N030-W,DMSG-N050-W,DMSG-N100-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDMSG PNP three-wire\u003c\/td\u003e\n\u003ctd\u003estandard: DMSG-P020,DMSG-P030,DMSG-P050,DMSG-P100,DMSG-PM08,DMSG-PM08010,DMSG-PM08020,DMSG-PM08030,DMSG-PM12,DMSG-PM12010,DMSG-PM12020,DMSG-PM12030; W: DMSG-P020-W,DMSG-P030-W,DMSG-P050-W,DMSG-P100-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEMSG two-wire\u003c\/td\u003e\n\u003ctd\u003estandard: EMSG-020,EMSG-030,EMSG-050,EMSG-100,EMSG-M08,EMSG-M08010,EMSG-M08020,EMSG-M08030,EMSG-M12,EMSG-M12010,EMSG-M12020,EMSG-M12030; W: EMSG-020-W,EMSG-030-W,EMSG-050-W,EMSG-100-W; A05: A05-EMSG-020,A05-EMSG-030,A05-EMSG-050,A05-EMSG-100; A06: A06-EMSG-020,A06-EMSG-030,A06-EMSG-050,A06-EMSG-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMSG two-wire\u003c\/td\u003e\n\u003ctd\u003estandard: CMSG-020,CMSG-030,CMSG-050,CMSG-100,CMSG-M08,CMSG-M08010,CMSG-M08020,CMSG-M08030,CMSG-M12,CMSG-M12010,CMSG-M12020,CMSG-M12030; H: CMSG-020-H,CMSG-030-H,CMSG-050-H,CMSG-100-H,CMSG-M08-H,CMSG-M08010-H,CMSG-M08020-H,CMSG-M08030-H,CMSG-M12-H,CMSG-M12010-H,CMSG-M12020-H,CMSG-M12030-H; A05: A05-CMSG-020,A05-CMSG-030,A05-CMSG-050,A05-CMSG-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eF-SC250SH\u003c\/td\u003e\n\u003ctd\u003eSCJ250 tie-rod sensor holder; one per selected sensor unless the actual kit specifies otherwise. Sensor count is not determined by S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM8 female lead, 2 wires\u003c\/td\u003e\n\u003ctd\u003e2 m: F-ECM08B020; 3 m: F-ECM08B030; 5 m: F-ECM08B050; 10 m: F-ECM08B100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM8 female lead, 3 wires\u003c\/td\u003e\n\u003ctd\u003e2 m: F-ECM08C020; 3 m: F-ECM08C030; 5 m: F-ECM08C050; 10 m: F-ECM08C100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM12 female lead, 2 wires\u003c\/td\u003e\n\u003ctd\u003e2 m: F-ECM12B020; 3 m: F-ECM12B030; 5 m: F-ECM12B050; 10 m: F-ECM12B100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM12 female lead, 3 wires\u003c\/td\u003e\n\u003ctd\u003e2 m: F-ECM12C020; 3 m: F-ECM12C030; 5 m: F-ECM12C050; 10 m: F-ECM12C100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eElectrical selection\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eLimits and conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDMSG\/EMSG two-wire\u003c\/td\u003e\n\u003ctd\u003e10–28 V DC; load 2.5–100 mA; capacity ≤2.8 W; internal current ≤3 mA; residual voltage ≤3.5 V; leakage ≤0.06 mA; switching ≤1000 Hz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDMSG NPN\/PNP three-wire\u003c\/td\u003e\n\u003ctd\u003e5–30 V DC; switching ≤30 V, ≤200 mA, ≤6 W; internal current ≤5 mA; residual voltage ≤0.7 V; leakage ≤0.01 mA; switching ≤1000 Hz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMSG reed two-wire\u003c\/td\u003e\n\u003ctd\u003e5–240 V AC\/DC; ≤100 mA, ≤10 W, ≤200 Hz. No internal\/leakage current or protection circuit. Standard residual voltage ≤2.5 V at DC 100 mA; H has no residual voltage or indicator.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor environment\u003c\/td\u003e\n\u003ctd\u003eAll listed sensors: 50 G impact reference. DMSG\/EMSG have reverse-polarity and transient protection; EMSG also has overheat protection. Standard temperatures −10–70 °C; CMSG-H −10–125 °C. The SCJ250 NBR cylinder remains −20–70 °C, so the ordinary sensor-equipped system is limited to −10–70 °C or narrower.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eDirect-lead 020\/030\/050\/100 means 2\/3\/5\/10 m. M08\/M12 are M8\/M12 male quick connectors with 0.5 m lead; M08010\/020\/030 and M12010\/020\/030 have 1\/2\/3 m leads. These lengths are unrelated to cylinder stroke. Two-wire is the blank output; N and P are NPN and PNP.\u003c\/p\u003e\n\u003cp\u003eStandard\/A05 DMSG and EMSG are IP64; direct W and A06 are IP68. Quick connectors do not have W. All CMSG versions are IP64. A05 is high-flex robot cable; A06 is oil-resistant high-flex. A05\/A06 direct leads have a 19 mm minimum bend radius. Industry versions are two-wire and direct-lead only; CMSG A05 has no H, and no A06 CMSG choice is listed. These are not explosion-proof or permanent-immersion approvals.\u003c\/p\u003e\n\u003cp\u003eFor a quick connector, match M8\/M12 and B two-wire\/C three-wire female leads to the sensor. Two-wire pins: 1 brown (+), 4 blue (−), 3 unused. Three-wire pins: 1 brown (+), 3 blue (−), 4 black output. Direct-lead sensors need no quick mating cable. Cable temperature, IP and voltage ratings are not independently given here; do not transfer sensor-body ratings to the complete cable assembly or raise the cylinder temperature because a CMSG-H is selected.\u003c\/p\u003e\n\u003cp\u003eSeat the holder on the tie rod against the barrel, place the sensor near the middle of its switching range and verify clearance and signal. Sensor fastening torque is recommended at 0.15–0.20 N·m, maximum 0.25 N·m; it is not cylinder-bolt or air-port torque.\u003c\/p\u003e\n\u003cp\u003eConnect the load before applying power and follow the selected two-wire\/NPN\/PNP diagram. Two-wire sensors require a series load, not a direct connection across the supply. Maintain insulation and separate signal from power\/high-voltage cables. Avoid pulling or repeated flexing, impacts, strong magnetic fields, iron chips, current surges and abrupt temperature changes. Protect against water, oil and welding spatter; inspect mounting, cables and switching periodically.\u003c\/p\u003e\n\u003ch3\u003eConnection and Upstream Options\u003c\/h3\u003e\n\u003cdiv class=\"scw\" style=\"overflow-x:auto;max-width:100%\"\u003e\u003ctable class=\"sct\" cellpadding=\"6\" style=\"margin:0!important;width:100%;table-layout:fixed;overflow-wrap:anywhere\"\u003e\n\u003cthead\u003e\u003ctr data-head\u003e\n\u003cth scope=\"col\" data-first\u003eComplete ordering code\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSeparately installed upstream filter\/regulator\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eGAFR600C25S\u003c\/td\u003e\n\u003ctd\u003etwo female PT1 ports; Metal bowl, 205 cc; round gauge in MPa\/psi\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eSelect separate male PT1 fittings for both cylinder working ports, with tube OD\/ID, flow capacity, seal and clearance matched to the installation. PT, G and NPT are not interchangeable. The M42×2.0 rod thread is not an air port.\u003c\/p\u003e\n\u003cp\u003eThe filter\/regulators below are separate upstream options, not cylinder-port fittings or an included kit. Connect their IN\/OUT ports with correctly matched male fittings. Do not fit a smaller male connector directly into a larger port; any adapter must match both thread sizes, standards and genders without restricting required flow.\u003c\/p\u003e\n\u003cp\u003eThese complete ordering examples use compressed air, a 40 µm element, differential-pressure\/manual drain, included bracket and round gauge, standard regulation and no reverse-flow valve. The 500 series uses a PC bowl; 600C uses a metal bowl. Other configurations require their own ordering codes.\u003c\/p\u003e\n\u003cp\u003eMaximum inlet pressure 1 MPa; proof pressure 1.5 MPa is not operating pressure. Adjustment range 0.15–0.9 MPa; temperature −5–70 °C, non-freezing. Observe flow\/pressure loss, IN\/OUT direction, condensate drainage, bowl environment and every downstream component limit. These are not vacuum regulators.\u003c\/p\u003e\n\u003cp\u003eSize the valve, tubing and both endpoint connections for the required load, stroke, speed and pressure loss. Do not use a smaller-bore selection table as a guaranteed large-cylinder speed rating. Meter-out controls must match the actual port and circuit; valve-exhaust silencers must match that valve’s exhaust ports. Do not place silencers or plugs on either active cylinder port.\u003c\/p\u003e\n\u003cp\u003eTube OD and ID must match the specified fittings; inch tubing is not interchangeable with nominal metric tubing. A 16 × 11 mm tube requires separately specified 16 mm endpoint fittings and controls. Select the complete connection path before ordering; the upstream unit alone does not specify a full pneumatic circuit.\u003c\/p\u003e\n\u003cp\u003eSCJ has two working ports and equal-diameter rods. Size flow using its annular pressure area, actual load, adjusted travel, piping losses and exhaust backpressure; a general bore-based chart does not guarantee SCJ speed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Airtac-2","offers":[{"title":"Default Title","offer_id":52706548449583,"sku":"SCJ250X357-75STCTCM1","price":3252.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/2336\/1327\/files\/ijay_shop_image-g_scj1ddisf1402_b1a90c82-e7d1-4dd7-929d-a204527f02a2.webp?v=1768509077","url":"https:\/\/www.airtacs.com\/products\/airtac-scj-adjustable-stroke-type-scj250x357-75stctcm1","provider":"Airtac","version":"1.0","type":"link"}