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High-Performance PU Backup Ring
Material: Polyurethane
Hardness: 65 ShoreD
Work Temperature:-40°C~+110°C
Min. Order Quantity: 100pcs
Supply Ability: 1000000 Sets per Day
Delivery Time: 5-7 days for small order
O Ring Backup Ring PTFE
Material: PTFE
Standard Color: White
Density: 2.16 g/cm³
Min. Service Temperature: -200°C
Max. Service Temperature：260°C
Application: JIS or DIN Rubber O-Rings
Piston Back Up Ring
Min.Order Quantity: 1 Set or 1 Bag
Supply Ability: 1000 Sets per Week
Delivery Time: 5-7 days for samll order
Rod Seal Nylon Backup Ring
Min.Order Quantity: 1 Set or 1 Bag
Supply Ability: 1000 Sets per Week
Delivery Time: 5-7 days for samll order
Backup Ring – Reliable Sealing Support for High-Pressure Systems
Backup Rings are essential sealing components used in combination with O-rings to prevent extrusion and improve sealing performance in high-pressure environments. As a trusted Backup Ring manufacturer and supplier, we offer various types of backup rings tailored to industrial needs.
Types of Backup Rings
1.PTFE Backup Ring
•Excellent chemical resistance
•High temperature & pressure tolerance
•Ideal for hydraulic, pneumatic, and chemical applications
•Excellent chemical resistance, high temperature and high pressure resistance, widely used in hydraulic, pneumatic and chemical industries.
2.NBR (Rubber) Backup Ring
•High elasticity, cost-effective
•Suitable for dynamic sealing systems
•It has good elasticity and cost-effectiveness and is suitable for dynamic sealing environments.
3.Spiral Backup Ring
• Easy installation
• Allows better flexibility for O-ring expansion
•Flexible structure, easy to install, suitable for systems requiring seal displacement.
4.Split & Contoured Backup Rings
•Designed for compact grooves
•Enhances O-ring longevity in tight spaces
•Suitable for compact grooves to increase O-ring service life.
FAQ – Backup Rings
Q1: Can you manufacture backup rings based on my specifications or drawings?
A: Yes, we support full customization including material, thickness, inner/outer diameter.
Q2: What’s the recommended backup ring for high temperature and chemical exposure?
A: PTFE backup rings are ideal for such conditions due to their chemical inertness.
Q3: Do you offer free samples?
A: Yes, small sample pieces can be provided for quality testing.
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