[{"data":1,"prerenderedAt":762},["ShallowReactive",2],{"catalog:meta":3,"guides:page:\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-seals:*":258,"guides:topics:clamp-cylinder:\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-seals:path,title,short":603,"guides:page:\u002Finjection-molding-machine-parts\u002Fclamp-cylinder:diagram":620,"diagram:id:cylinder-seals":621,"catalog:parts::MC-SB-08":752},{"categories":4,"machines":132,"zones":212,"totals":255},[5,35,59,122],{"id":6,"name":7,"slug":8,"description":9,"partCount":10,"subcategories":11},"EC","Electrical Components","electrical","Electrical systems and components for injection molding machines including heaters, thermocouples, servo motors, and controllers.",11,[12,17,22,27,31],{"id":13,"name":14,"slug":15,"partCount":16},"EC-CBC","Circuit Boards & Controllers","circuit-boards",4,{"id":18,"name":19,"slug":20,"partCount":21},"EC-CE","Connectors & Cables","connectors-cables",2,{"id":23,"name":24,"slug":25,"partCount":26},"EC-GEP","Servo Motors & Drives","servo-motors",1,{"id":28,"name":29,"slug":30,"partCount":21},"EC-HT","Heaters","heaters",{"id":32,"name":33,"slug":34,"partCount":21},"EC-SF","Safety Components","safety",{"id":36,"name":37,"slug":38,"description":39,"partCount":40,"subcategories":41},"HY","Hydraulic Components","hydraulic","Complete range of hydraulic system components including pumps, valves, motors, and pressure controls for injection molding machines.",14,[42,46,51,55],{"id":43,"name":44,"slug":45,"partCount":26},"HY-AU","Accumulators","accumulators",{"id":47,"name":48,"slug":49,"partCount":50},"HY-CV","Control Valves","control-valves",6,{"id":52,"name":53,"slug":54,"partCount":26},"HY-MO","Monitors & Gauges","monitors-gauges",{"id":56,"name":57,"slug":58,"partCount":50},"HY-PW","Pumps & Motors","pumps-motors",{"id":60,"name":61,"slug":62,"description":63,"partCount":64,"subcategories":65},"MC","Mechanical Components","mechanical","Mechanical parts and assemblies including barrels, screws, tie bars, bushings, platens, and clamping components.",42,[66,71,75,80,85,89,93,97,101,105,109,114,118],{"id":67,"name":68,"slug":69,"partCount":70},"MC-BC","Barrels & Cylinders","barrels-cylinders",5,{"id":72,"name":73,"slug":74,"partCount":16},"MC-SB","Screw Barrels & Seals","screws",{"id":76,"name":77,"slug":78,"partCount":79},"MC-TC","Tie Bars & Columns","tie-bars",7,{"id":81,"name":82,"slug":83,"partCount":84},"MC-GZ","Bushings & Guides","bushings-guides",8,{"id":86,"name":87,"slug":88,"partCount":26},"MC-PP","Platens","platens",{"id":90,"name":91,"slug":92,"partCount":70},"MC-TL","Toggle & Links","toggle-links",{"id":94,"name":95,"slug":96,"partCount":21},"MC-CC","Clamping Components","clamping",{"id":98,"name":99,"slug":100,"partCount":21},"MC-GMP","Tools & Accessories","tools-accessories",{"id":102,"name":103,"slug":104,"partCount":21},"MC-ES","End Caps & Plates","end-caps",{"id":106,"name":107,"slug":108,"partCount":26},"MC-SR","Seals & Rings","seals-rings",{"id":110,"name":111,"slug":112,"partCount":113},"MC-JM","Joints & Mounts","joints-mounts",3,{"id":115,"name":116,"slug":117,"partCount":26},"MC-SG","Safety Guards","safety-guards",{"id":119,"name":120,"slug":121,"partCount":26},"MC-CR","Clamping Mechanism","clamping-mechanism",{"id":123,"name":124,"slug":125,"description":126,"partCount":113,"subcategories":127},"O","Other Components","other","Additional components including filters, cooling systems, lubrication parts, and other auxiliary equipment.",[128],{"id":129,"name":130,"slug":131,"partCount":113},"O-TC","Filters & Cooling","filters-cooling",[133,143,161,172,180,188,194,200,205],{"id":134,"name":135,"slug":134,"series":136,"partCount":142},"haitian","Haitian International",[137,138,139,140,141],"Mars Series (MA)","Jupiter Series (JU)","Zhafir Venus Series (VE)","Zhafir Zeres Series (ZE)","Zhafir Jeres Series (JE)",68,{"id":144,"name":145,"slug":144,"series":146,"partCount":160},"yizumi","Yizumi",[147,148,149,150,151,152,153,154,155,156,157,158,159],"A6 Series","A5-EU Series","A5-N Series","SKIII Series","DP Series","D1 Series","FF Series","FF-M Series","P Series","CG-P Series","VM Series","SPET Series","LSR Series",12,{"id":162,"name":163,"slug":162,"series":164,"partCount":171},"chen-hsong","Chen Hsong",[165,166,167,168,169,170],"JETMASTER MK Series","JETMASTER SVP Series","SUPERMASTER Series","EASYMASTER Series","SPARK Series","JETMASTER C2 Series",10,{"id":173,"name":174,"slug":173,"series":175,"partCount":179},"tederic","Tederic",[176,177,178],"NEO Series","D Series (Two-Platen)","DE Series (All-Electric)",0,{"id":181,"name":182,"slug":181,"series":183,"partCount":179},"borch","Borch",[184,185,186,187],"BU Series (Two-Platen)","BS-III Series (Servo)","BE Series (All-Electric)","BM Series (Multi-color)",{"id":189,"name":190,"slug":189,"series":191,"partCount":179},"log-machine","LOG Machine",[192,193],"LOG-SE Series","LOG-EE Series (All-Electric)",{"id":195,"name":196,"slug":195,"series":197,"partCount":179},"donghua","Donghua",[198,199],"DH Series (Servo)","DH-TP Series (Two-Platen)",{"id":201,"name":202,"slug":201,"series":203,"partCount":179},"sunbun","Sunbun",[204],"Sunbun Servo Series",{"id":206,"name":207,"slug":206,"series":208,"partCount":179},"lijin","L.K. Machinery (Lijin)",[209,210,211],"POTENZA Series","FORZA Series (Two-Platen)","ELETTRICA Series (All-Electric)",[213,217,221,225,228,231,235,238,242,248,251],{"id":214,"number":26,"name":215,"role":216,"partCount":21},"clamp-cylinder","Clamping cylinder","The hydraulic cylinder behind the rear platen. It drives the crosshead that straightens the toggle links, which opens and closes the mold and builds the clamping force.",{"id":218,"number":21,"name":219,"role":220,"partCount":50},"toggle","Toggle mechanism","Links, pins and bushings between the rear and moving platens. They multiply the force of the clamping cylinder and lock the mold shut while plastic is injected.",{"id":222,"number":113,"name":223,"role":224,"partCount":113},"ejector","Ejector","A small cylinder behind the moving platen that pushes the ejector rods and plate forward to release the finished part from the mold.",{"id":78,"number":16,"name":226,"role":227,"partCount":40},"Tie bars & bushings","Four steel columns that join the platens, guide the moving platen and carry the clamping force. Tie bar nuts lock them in place; bushings guide the moving platen along them.",{"id":88,"number":70,"name":229,"role":230,"partCount":21},"Platens & mold plates","The fixed and moving platens carry the two halves of the mold; the rear platen anchors the toggle. Locating rings and clamping plates center and hold the mold.",{"id":232,"number":50,"name":233,"role":234,"partCount":50},"barrel-screw","Barrel, screw & nozzle","The screw turns inside the heated barrel to melt and mix the plastic, then moves forward to inject it through the nozzle into the mold. The screw tip and check ring stop melt from flowing back.",{"id":30,"number":79,"name":236,"role":237,"partCount":113},"Heater bands & sensors","Heater bands around the barrel and nozzle melt the plastic. Thermocouples measure each heating zone so the controller can hold the set temperature.",{"id":239,"number":84,"name":240,"role":241,"partCount":79},"injection-unit","Injection unit","Injection cylinders push the screw forward, the hydraulic (plasticizing) motor turns it, and the carriage moves the unit against the mold on its guide rails.",{"id":243,"number":244,"name":245,"role":246,"partCount":247},"hydraulics",9,"Hydraulic unit","The pump, motor, valves, accumulator, filters and oil cooler in the machine base. They supply and control the oil pressure for every movement of the machine.",16,{"id":8,"number":171,"name":249,"role":250,"partCount":244},"Electrical cabinet","The controller, I\u002FO and drive boards, servo drives, contactors and safety switches that run and protect the machine.",{"id":252,"number":10,"name":253,"role":254,"partCount":21},"feet","Machine feet","Leveling bolts and anti-vibration pads under the machine base that keep the machine level and stop vibration spreading to the floor.",{"parts":256,"subcategories":257},70,23,{"id":259,"title":260,"body":261,"description":575,"diagram":576,"extension":577,"faq":578,"item":591,"lastModified":592,"meta":593,"navigation":594,"order":26,"parts":595,"path":597,"seo":598,"seoTitle":599,"short":600,"stem":601,"__hash__":602},"guides\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-seals.md","Hydraulic cylinder piston seals and Y-rings",{"type":262,"value":263,"toc":564},"minimark",[264,277,282,296,300,319,323,379,387,391,412,415,419,472,476,479,500,518,522,530,547,551],[265,266,267,268,272,273,276],"p",{},"A hydraulic cylinder piston seal is the seal in the grooves of the piston that stops oil passing from one side of the piston to the other. On injection molding machines the clamping, injection and ejector cylinders commonly use ",[269,270,271],"strong",{},"Y-rings"," (also called U-cups or lip seals), with ",[269,274,275],{},"wear rings"," beside them that keep the piston centered in the bore. When the piston seals leak, the cylinder loses force and speed and can creep under load, but no oil appears outside.",[278,279,281],"h2",{"id":280},"where-the-piston-seals-sit","Where the piston seals sit",[265,283,284,285,290,291,295],{},"In the drawing, the piston seals are in the grooves around the piston, between the two oil chambers of the cylinder. The piston is held on the end of the rod by the ",[286,287,289],"a",{"href":288},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-rod-nut\u002F","piston rod nut",", and a static O-ring usually seals the joint between the piston and the rod. The ",[286,292,294],{"href":293},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Frod-seals\u002F","rod seals"," in the front head keep oil inside the cylinder; the piston seals keep the two chambers apart.",[278,297,299],{"id":298},"how-a-y-ring-piston-seal-works","How a Y-ring piston seal works",[301,302,303,307,310,313],"ul",{},[304,305,306],"li",{},"The Y-ring has two lips. It is fitted with a slight squeeze, so it seals at low pressure.",[304,308,309],{},"As pressure rises, oil pushes into the space between the lips and presses them harder against the bore and the bottom of the groove.",[304,311,312],{},"A Y-ring seals in one direction only. A double-acting piston therefore carries two of them back to back, each with its lips facing its own chamber.",[304,314,315,318],{},[269,316,317],{},"Wear rings"," (guide rings or guide bands) take the side load and keep the piston from touching the bore. They do not seal; if they wear out, the piston rubs the barrel and the seals are pushed out of shape.",[278,320,322],{"id":321},"types-of-hydraulic-cylinder-piston-seal","Types of hydraulic cylinder piston seal",[324,325,326,342],"table",{},[327,328,329],"thead",{},[330,331,332,336,339],"tr",{},[333,334,335],"th",{},"Type",[333,337,338],{},"How it seals",[333,340,341],{},"Where it is used",[343,344,345,357,368],"tbody",{},[330,346,347,351,354],{},[348,349,350],"td",{},"Y-ring (lip seal), polyurethane or NBR",[348,352,353],{},"One direction per seal; two back to back on a double-acting piston",[348,355,356],{},"Common on injection molding machine cylinders",[330,358,359,362,365],{},[348,360,361],{},"PTFE seal with an O-ring energizer",[348,363,364],{},"One ring seals both directions; the O-ring under it presses it onto the bore",[348,366,367],{},"Where low friction and smooth slow movement matter",[330,369,370,373,376],{},[348,371,372],{},"Compact seal (rubber seal with anti-extrusion and guide rings)",[348,374,375],{},"One assembly seals both directions",[348,377,378],{},"Heavy-duty pistons that need a single groove",[265,380,381,382,386],{},"Which type your cylinder uses depends on the machine and the cylinder maker, so match the new seals to the old ones. The ",[286,383,385],{"href":384},"\u002Fparts\u002Fmc-sb-08\u002F","hydraulic cylinder seals and Y-rings"," we supply are made of polyurethane, NBR and PTFE, are rated up to 35 MPa and from -30 °C to +100 °C, and come as complete seal kits or single Y-rings.",[278,388,390],{"id":389},"signs-of-worn-piston-seals","Signs of worn piston seals",[301,392,393,396,403,406,409],{},[304,394,395],{},"The cylinder is slower than it used to be at the same settings, especially under load.",[304,397,398,399,402],{},"It ",[269,400,401],{},"creeps or drifts"," when its valve is in the neutral position.",[304,404,405],{},"It loses force: the mold does not break open, the clamp is slow to lock, or injection pressure drops.",[304,407,408],{},"The oil runs hotter than usual, because oil forced through a leaking seal turns pressure into heat.",[304,410,411],{},"Pressure falls on the gauge while the cylinder holds a load.",[265,413,414],{},"A leaking directional valve, check valve or proportional valve gives the same symptoms. Test before you open the cylinder.",[278,416,418],{"id":417},"why-piston-seals-fail","Why piston seals fail",[301,420,421,432,438,448,454,460,466],{},[304,422,423,426,427,431],{},[269,424,425],{},"Dirty oil",": particles score the bore and cut the lips. See the ",[286,428,430],{"href":429},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-filter\u002F","oil filter",".",[304,433,434,437],{},[269,435,436],{},"A scored or corroded bore",", often from dirt or from water in the oil.",[304,439,440,443,444,431],{},[269,441,442],{},"Heat",": oil running too hot hardens rubber and weakens polyurethane, and hot oil with water in it attacks polyurethane. See ",[286,445,447],{"href":446},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Foil-temperature\u002F","oil temperature",[304,449,450,453],{},[269,451,452],{},"Pressure peaks"," that push the seal into the gap between the piston and the bore.",[304,455,456,459],{},[269,457,458],{},"Worn wear rings"," that let the piston rub the bore.",[304,461,462,465],{},[269,463,464],{},"A loose rod nut"," that lets the piston knock on the rod.",[304,467,468,471],{},[269,469,470],{},"Fitting damage",": lips cut on sharp edges or threads, or a seal fitted the wrong way round.",[278,473,475],{"id":474},"testing-for-piston-seal-bypass","Testing for piston seal bypass",[265,477,478],{},"The usual test checks whether oil passes the piston when the cylinder is held at the end of its stroke. Follow the machine manual and your site's safety rules, keep clear of moving parts and use a pressure no higher than the manual allows for testing.",[480,481,482,485,488,491,494,497],"ol",{},[304,483,484],{},"Run the cylinder to the end of its stroke in manual mode.",[304,486,487],{},"Stop the pump, isolate the machine and release all pressure, including the accumulator if there is one.",[304,489,490],{},"Disconnect the hose from the port on the side that will not be pressurized. Plug the hose and lead the open port into a clean container.",[304,492,493],{},"Start the pump and pressurize the other side, so the piston is held against the end of its stroke.",[304,495,496],{},"Watch the open port. A steady flow of oil means oil is passing the piston seals.",[304,498,499],{},"Release the pressure, reconnect the hose and bleed the air out by moving the cylinder slowly.",[265,501,502,503,507,508,512,513,517],{},"If the cylinder passes the test but the movement still drifts, the leak is in the valves: see the ",[286,504,506],{"href":505},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fdirectional-valve\u002F","directional valve"," and the ",[286,509,511],{"href":510},"\u002Finjection-molding-machine-parts\u002Fhydraulics\u002Fhydraulic-check-valve\u002F","hydraulic check valve",". Our article on ",[286,514,516],{"href":515},"\u002Fblog\u002Ftroubleshooting-hydraulic-pressure-loss\u002F","troubleshooting hydraulic pressure loss"," covers the rest of the circuit.",[278,519,521],{"id":520},"replacing-piston-seals","Replacing piston seals",[265,523,524,525,529],{},"Piston seals are changed with the piston out of the barrel. The full procedure is in ",[286,526,528],{"href":527},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fcylinder-seal-replacement\u002F","replacing cylinder seals",". Points that matter for the piston:",[301,531,532,535,538,541,544],{},[304,533,534],{},"Replace both Y-rings, the wear rings and the O-ring between the piston and the rod together.",[304,536,537],{},"Fit each Y-ring with its lips facing the chamber it seals.",[304,539,540],{},"Do not overstretch the seals. Follow the seal maker's instructions for PTFE seals, which are usually resized after fitting.",[304,542,543],{},"Inspect the bore before fitting new seals. A scored bore needs honing or a new barrel, or the new seals will soon leak again.",[304,545,546],{},"Check the rod nut and its locking when reassembling.",[278,548,550],{"id":549},"what-to-send-for-a-replacement-quote","What to send for a replacement quote",[265,552,553,554,558,559,563],{},"Send the machine brand and model, which cylinder the seals are for, the bore diameter, the groove dimensions (inside diameter and width), and any code printed on the old seals. The OEM seal kit number, if you have it, is the quickest. Photos of the old seals laid out in order show the type and which way they were fitted. ",[286,555,557],{"href":556},"\u002Frequest-quote\u002F","Request a quote",", and see the ",[286,560,562],{"href":561},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002F","clamping cylinder guide"," for how the piston seals fit with the rest of the cylinder.",{"title":565,"searchDepth":21,"depth":21,"links":566},"",[567,568,569,570,571,572,573,574],{"id":280,"depth":21,"text":281},{"id":298,"depth":21,"text":299},{"id":321,"depth":21,"text":322},{"id":389,"depth":21,"text":390},{"id":417,"depth":21,"text":418},{"id":474,"depth":21,"text":475},{"id":520,"depth":21,"text":521},{"id":549,"depth":21,"text":550},"What the piston seals of an injection molding machine cylinder do, Y-ring and compact seal types, wear rings, signs of bypass leakage, testing and replacement.","cylinder-seals","md",[579,582,585,588],{"question":580,"answer":581},"What is a Y-ring piston seal?","A Y-ring, also called a U-cup or lip seal, is a seal with two lips in a Y-shaped profile. Oil pressure pushes into the space between the lips and presses them against the bore and the bottom of the groove, so the seal grips harder as the pressure rises.",{"question":583,"answer":584},"What are the signs of a leaking piston seal?","The cylinder moves more slowly or with less force than before at the same settings, it creeps when its valve is closed, and the oil may run hotter. No oil appears outside, because the leak is from one side of the piston to the other.",{"question":586,"answer":587},"Which way round does a Y-ring go on a piston?","The open side with the lips faces the pressure it has to seal. A double-acting piston usually has two Y-rings fitted back to back, each with its lips facing the chamber on its own side.",{"question":589,"answer":590},"Should piston seals and rod seals be replaced together?","Yes, in most cases. Once the cylinder is open, the extra cost of the rod seals, wiper and O-rings is small compared with the work of dismantling it again, and all the seals have the same age.","piston-seals","2026-11-01",{},true,[596],"MC-SB-08","\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-seals",{"title":260,"description":575},"Hydraulic Cylinder Piston Seal: Y-Rings and Wear Rings","Piston seals","injection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-seals","3CRpR_yMEEtZ6AIdTTj2KMF1OeZCybatmEIv7-fRPAU",[604,608,612,616],{"path":605,"title":606,"short":607},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Frod-seals","Rod seals and wiper seals of a hydraulic cylinder","Rod seals and wipers",{"path":609,"title":610,"short":611},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fcylinder-seal-replacement","Replacing the seals of an injection molding machine cylinder","Replacing cylinder seals",{"path":613,"title":614,"short":615},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fpiston-rod-nut","Piston rod nut of a hydraulic cylinder","Piston rod nut",{"path":617,"title":618,"short":619},"\u002Finjection-molding-machine-parts\u002Fclamp-cylinder\u002Fauxiliary-cylinder","Auxiliary hydraulic cylinder of an injection molding machine","Auxiliary cylinder",{"diagram":214},{"diagram":622},{"title":623,"description":624,"items":625},"Seals of a hydraulic cylinder","Section through a hydraulic cylinder showing the piston seals, piston rod nut, piston rod and rod seal set, with a screw barrel assembly below, numbered.",[626,643,658,672,687,702,720],{"id":627,"name":628,"role":629,"subcategory":94,"marker":630,"shapes":634},"cylinder","Cylinder tube and end caps","The honed tube and the end caps hold the oil. Oil pumped into one end or the other moves the piston.",[631,632,631,633],100,24,66,{"solid":635},[636,637,638,639,640,641,642],"M39 56h22a3 3 0 0 1 3 3v162a3 3 0 0 1 -3 3h-22a3 3 0 0 1 -3 -3v-162a3 3 0 0 1 3 -3z","M64 66h352v14h-352z","M64 200h352v14h-352z","M419 56h46a3 3 0 0 1 3 3v53a3 3 0 0 1 -3 3h-46a3 3 0 0 1 -3 -3v-53a3 3 0 0 1 3 -3z","M419 165h46a3 3 0 0 1 3 3v53a3 3 0 0 1 -3 3h-46a3 3 0 0 1 -3 -3v-53a3 3 0 0 1 3 -3z","M44 44h14v12h-14z","M392 54h14v12h-14z",{"id":644,"name":615,"role":645,"parts":646,"marker":648,"shapes":652},"rod-nut","Holds the piston on the threaded end of the rod. It must stay tight: a loose nut lets the piston knock and damages the seals.",[647],"MC-SB-10",[649,632,650,651],150,176,117,{"solid":653,"line":655},[654],"M172 117h22a2 2 0 0 1 2 2v42a2 2 0 0 1 -2 2h-22a2 2 0 0 1 -2 -2v-42a2 2 0 0 1 2 -2z",[656,657],"M170 129L196 129","M170 151L196 151",{"id":659,"name":660,"role":661,"marker":662,"shapes":666},"piston","Piston","Separates the two oil chambers of the cylinder. Pressure on one side pushes it, and the rod with it.",[663,632,664,665],198,200,96,{"solid":667,"hidden":669},[668],"M199 82h60a3 3 0 0 1 3 3v110a3 3 0 0 1 -3 3h-60a3 3 0 0 1 -3 -3v-110a3 3 0 0 1 3 -3z",[670,671],"M196 124L262 124","M196 156L262 156",{"id":591,"name":600,"role":673,"parts":674,"marker":675,"shapes":679},"Y-rings and wear rings in the piston grooves. They keep oil from passing the piston; worn piston seals make the cylinder creep and lose force.",[596],[676,632,677,678],246,249,80,{"solid":680},[681,682,683,684,685,686],"M202 80L216 80L216 90L211.8 90L209 85L206.2 90L202 90Z","M242 80L256 80L256 90L251.8 90L249 85L246.2 90L242 90Z","M202 200L216 200L216 190L211.8 190L209 195L206.2 190L202 190Z","M242 200L256 200L256 190L251.8 190L249 195L246.2 190L242 190Z","M222 80h14v6h-14z","M222 194h14v6h-14z",{"id":688,"name":689,"role":690,"parts":691,"marker":693,"shapes":696},"piston-rod","Piston rod","Chrome-plated rod that carries the force out of the cylinder. Scratches or pitting on its surface quickly destroy the rod seals.",[692],"MC-GZ-01",[694,632,694,695],330,115,{"solid":697,"line":700},[698,699],"M262 115h276v50h-276z","M546 108h18a8 8 0 0 1 8 8v48a8 8 0 0 1 -8 8h-18a8 8 0 0 1 -8 -8v-48a8 8 0 0 1 8 -8z",[701],"M544 140a11 11 0 1 0 22 0a11 11 0 1 0 -22 0z",{"id":703,"name":704,"role":705,"parts":706,"marker":708,"shapes":712},"rod-seals","Rod seal set","Guide ring, rod seal and wiper in the front head. The seal holds the oil in, the wiper keeps dirt out and the guide ring keeps the rod centred.",[707],"MC-SB-07",[709,632,710,711],492,472,112,{"solid":713},[714,715,716,717,718,719],"M422 110h14v5h-14z","M422 165h14v5h-14z","M442 106L454 106L454 115L450.4 115L448 110.5L445.6 115L442 115Z","M442 174L454 174L454 165L450.4 165L448 169.5L445.6 165L442 165Z","M458 107L468 107L468 110L473 115L458 115Z","M458 173L468 173L468 170L473 165L458 165Z",{"id":721,"name":722,"role":723,"parts":724,"marker":726,"shapes":730},"screw-barrel","Screw barrel assembly","The barrel and screw supplied together as a matched set, with the screw head, ready to fit to the injection unit.",[725],"MC-SB-01",[727,728,727,729],420,336,292,{"solid":731,"hidden":736},[732,733,734,735],"M148 276L162 271L176 271L176 287L162 287L148 282Z","M178 262h6a2 2 0 0 1 2 2v30a2 2 0 0 1 -2 2h-6a2 2 0 0 1 -2 -2v-30a2 2 0 0 1 2 -2z","M186 266h280v26h-280z","M468 272h32a2 2 0 0 1 2 2v10a2 2 0 0 1 -2 2h-32a2 2 0 0 1 -2 -2v-10a2 2 0 0 1 2 -2z",[737,738,739,740,741,742,743,744,745,746,747,748,749,750,751],"M190 279L462 279","M196 269L202 289","M215 269L221 289","M234 269L240 289","M253 269L259 289","M272 269L278 289","M291 269L297 289","M310 269L316 289","M329 269L335 289","M348 269L354 289","M367 269L373 289","M386 269L392 289","M405 269L411 289","M424 269L430 289","M443 269L449 289",[753],{"partNumber":596,"name":754,"subcategory":72,"subcategoryName":755,"shortDescription":756,"inStock":594,"zone":239,"compatibleMachines":757},"Hydraulic Cylinder Seals & Y-Ring","Seals & Bearings","Hydraulic cylinder seal kits and Y-ring piston rod seals for injection molding machine cylinders.",[758,759,760,761],"Haitian MA Series","Haitian MA II Series","Yizumi A5 Series","Chen Hsong JM Series",1793548978186]