{"product_id":"rubber-piston-rod-wiper-seals","title":"Piston, Rod \u0026 Wiper Seals – Rubber","description":"\u003ch3\u003ePiston, Rod \u0026amp; Wiper Seals for Hydraulic \u0026amp; Pneumatic Cylinders\u003c\/h3\u003e\n\u003cp\u003eKaybin manufactures custom rubber piston seals, rod seals, U-seals and wiper\/scraper seals for hydraulic and pneumatic cylinders where reliable dynamic sealing is critical.\u003c\/p\u003e\n\u003cp\u003eSeals are moulded or machined to drawing, groove dimensions or sample and matched to pressure class, extrusion gap, stroke speed and contamination exposure to control leakage and extend cylinder service life in industrial and OEM equipment.\u003c\/p\u003e\n\u003cp\u003eThis page covers reciprocating cylinder seals (not rotary oil seals or mechanical seals).\u003c\/p\u003e\n\u003ch4\u003eFunction \u0026amp; Applications\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary roles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDynamic sealing on pistons and rods\u003c\/li\u003e\n\u003cli\u003ePrevention of internal bypass\u003c\/li\u003e\n\u003cli\u003eExclusion of dust, slurry and water\u003c\/li\u003e\n\u003cli\u003eControl of extrusion and contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eUsed in:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic presses and rams\u003c\/li\u003e\n\u003cli\u003eMobile equipment and mining cylinders\u003c\/li\u003e\n\u003cli\u003ePneumatic actuators and automation systems\u003c\/li\u003e\n\u003cli\u003eOEM industrial machinery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSeal Types\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePiston seals – single- and double-acting\u003c\/li\u003e\n\u003cli\u003eU-seals \/ U-cups – symmetrical or asymmetrical profiles\u003c\/li\u003e\n\u003cli\u003eRod seals – external leakage control\u003c\/li\u003e\n\u003cli\u003eDouble-acting seals – bidirectional pressure\u003c\/li\u003e\n\u003cli\u003eWiper \/ scraper seals – contamination removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere required, seal stacks may include guide rings and anti-extrusion back-up elements to manage side-load and clearance growth.\u003c\/p\u003e\n\u003ch4\u003eMaterial Options (Rubber-Based)\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eNBR – mineral oil hydraulic systems\u003c\/li\u003e\n\u003cli\u003eEPDM – water\/steam (not mineral oil)\u003c\/li\u003e\n\u003cli\u003eNeoprene (CR) – balanced oil\/weather resistance\u003c\/li\u003e\n\u003cli\u003eFKM \/ Viton® – elevated temperature and aggressive fluids\u003c\/li\u003e\n\u003cli\u003eSilicone (VMQ) – wide temperature range\u003c\/li\u003e\n\u003cli\u003eNatural Rubber – resilience for selected duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompound hardness (Shore A) is selected based on pressure, speed, temperature, media and extrusion gap.\u003c\/p\u003e\n\u003ch4\u003eOperating Conditions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic and pneumatic cylinders (single- or double-acting)\u003c\/li\u003e\n\u003cli\u003eReciprocating motion under load\u003c\/li\u003e\n\u003cli\u003eSide-load and vibration conditions\u003c\/li\u003e\n\u003cli\u003eContaminated or mining-duty environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCorrect specification reduces extrusion, spiral failure, stick-slip, compression set and rod scoring.\u003c\/p\u003e\n\u003ch4\u003eEngineering Details Required\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eProvide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBore and rod diameter\u003c\/li\u003e\n\u003cli\u003eGroove \/ gland dimensions\u003c\/li\u003e\n\u003cli\u003eWorking and peak pressure\u003c\/li\u003e\n\u003cli\u003eStroke length and cycle rate\u003c\/li\u003e\n\u003cli\u003eFluid\/media and temperature\u003c\/li\u003e\n\u003cli\u003eContamination level\u003c\/li\u003e\n\u003cli\u003eDrawing, part number or sample.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKaybin confirms the correct profile, compound and seal stack arrangement before manufacture to ensure reliable dynamic cylinder sealing in industrial equipment.\u003c\/p\u003e","brand":"kaybin","offers":[{"title":"Default Title","offer_id":45282654519468,"sku":null,"price":0.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/4790\/6476\/files\/kaybin-plastic-composite-piston-seal-ring.webp_2_1.webp?v=1771041507","url":"https:\/\/kaybin.co.za\/products\/rubber-piston-rod-wiper-seals","provider":"Kaybin","version":"1.0","type":"link"}