Silicone Rubber Piston Plunger Lip Seal for Syringe Needle Medical Device

Product Name: Silicone Rubber Piston Plunger Lip Seal for Syringe Needle Medical Device Model NO.: Better Standard: Nonstandard Lip: Lips Type Pressure: Pressure Type Speed: Speed Type: Assembled Usage: Engine, Transmission, Rear Axle Material: Silicone Rubber Materials: Silicone/Rubber/Polyurethane/PTFE/NBR Size: Can Be Costomized Shapes: Y Shape Color: Any Pantone Color Is Available Working Temperature: -40c~120c Special Property: Insulating, Anti-Dust, Waterproof, Wear Resistance Usages: Household Application, Promotiona, Electronics Forming: Compression Molding or Plastic Injection Tooling Functions: Insulating, Anti-Dust, Waterproof, Wear Resistance ODM/EDM: Highly Welcome Trademark: Better Transport Package: Poly Bags, Carton Boxes Specification: CE, ROHS, FDA Origin: Xiamen, China HS Code: 3926901000 Product Description Silicone Rubber Plunger SealPlunger Seal, Lip Seal, also called Piston Seal, Radial Seal & Rod Seal, consists of outside diameter lip and inside diameter lip, which is used for fluid seals and specifically designed as piston seals towork in pneumatic and hydraulic cylinder applications, also known asRubber Pneumatic seals and Rubber ydraulic Seals.Silicone Lip seal is a self-sealing ring, it relies on the lipandclose to the surface of the sealing coupling, obstructing the leakage channel to obtain the sealing effect. The working pressure of the lip seal is the sum of the pre-pressing force and the fluid pressure. When the pressure of the sealing medium is increased, the lip is distracted and more closely fit with the sealing surface, so that the sealing performancebe enhanced further. In addition, the lip edge also has the scraping oilfunction which also enhance the sealing performance of the seal.Rubber Lip Seal is made of high grade silicone, liquid silicone rubber(LSR), NBR, FKM, PU Rubber, etc, which mainly produced by Silicone Rubber Compression Mold tooling or LSR injection Molding (LIM) with middle mold plates.Rubber Lip Seal & Rod Seals application environment and working speed ranges:Working pressure: < 25 MPaWorking temperature: -40~+120ºCMedium: hydraulic oil, water, airNBR: 0.01~0.6 m/sFKM: 0.05~0.3 m/sPU rubber: 0.01~1 m/sLip seals are mainly used in reciprocating seals, and compare with extrusion seals, such as O-ring, the reciprocating seal makes lip seals better overall performance, and longer service life.DescriptionY-shaped seal(Lip Seal)O-ring seal(Extrusion Seal)AdvantageSeal section size is small, the installation groove can be designed as a monolithic groove; groove processing, seal installation easy,can be used as two-way seal (dual pressure)Excellent seal performance;Low friction at low pressure;Automatically compensate after small amount of wear.DisadvantagePoor sealing performance;Easy to roll and twist, causing damage easily;The lower friction margin,the poorer sealing performanceOne-way seal;Complex sealing structure,large size;Cause oil pressure between two seals;Main ApplicationSmall size slide valve;Piston and rod seals which allow a small amount leakagePiston and rod seals which require high seal performance.Xiamen Better Silicone Rubber Co.,ltd advantages for Silicone Lip Seals Production1. Precision Own Mold-Making Technology since 1998, one stop service for silicone rubber compression molded components, plastic injection molded and liquid silicone rubber molding components.2. In-depth knowledge of Rubber Lip Seals materials molded3. In-depth knowledge of silicone rubber Rod Seals mold-making technology and Piston Seal molded technology:For Plunger Seal & Piston Rod purchasing, the following factors should be comprehensively considered:Piston Rod movement speedPiston Rod's starting frictionPiston Seal Working pressureRod Seal Working temperaturePlunger Seal working medium viscosityAllowable tolerance for leakageLip Seal's groove sizeRod Seal's fit tolerance for Piston RodCustom Plunger Seals for Fast quotation:1. Offer 2D & 3D designs drawings, samples or tell us your ideas.2. Materials demands: Solid Silicone, Liquid silicone rubber3. Materials Grade demands: food grade & medical grade materials, high elastic materials4. Hardness & Durometer demands: 10-80 Shore A ( Durometer)5. Working Environment & Usage: Working temperature, flow chemical environment and Sealing or Open Pressure Demands & Testing etc.6. Production environment Demands: If need clear room7. Package Requirement: If need Air in packing bag to prevent deformation or damage etc.