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Xiamen Dezhengkai Sealing Technology Co., Ltd
Exquisite Craftsmanship, Excellent Quality, Focus On Sealing Fields.
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3 Years
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Custom High Pressure O-Ring Seals with Backup Ring | Anti-Extrusion Rubber Gasket

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Custom High Pressure O-Ring Seals with Backup Ring | Anti-Extrusion Rubber Gasket

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Payment Terms : T/T,L/C,Western Union

Max Pressure : 400 Bar

Delivery Time : 7-15 Days

Place of Origin : Xiamen, China

Config : Single/Double Backup

Model Number : DZK-HPBR-OR

Packaging Details : PE Bag + Carton + Pallet

Price : 0.10-3.00 USD/Set

Certification : ISO 9001:2015

Supply Ability : 3,000,000 Sets/Month

MOQ : 50 Sets

Material : NBR/FKM+PTFE/POM

Brand Name : DZK

Application : High-Pressure Hydraulics

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High Pressure O Ring Seals with Backup Ring Anti-Extrusion Rubber Gasket
Product Advantages
Anti-Extrusion Protection
Combined O-ring and backup ring prevents extrusion failure at pressures exceeding 100 Bar (1450 PSI).
Dual Material System
Elastic O-ring sealing + rigid PTFE/POM backup ring for extrusion resistance.
Pressure Rating Up to 400 Bar
Handles up to 400 Bar (5800 PSI) with proper backup rings for demanding hydraulics.
Reduced Maintenance
Extended seal life reduces downtime and replacement frequency. Lower total cost of ownership.
Product Specifications
Parameter Specification
System O-Ring (NBR/FKM) + Backup Ring (PTFE/POM)
O-Ring Material NBR or FKM
Backup Material PTFE or POM
Max Pressure Up to 400 Bar (5800 PSI)
Temperature Range -30°C to +200°C
Inner Diameter 5mm - 500mm
Configuration Single or double backup
Application High-pressure hydraulics, injection molding
Company Strength
8+
Years Experience
50-100
Skilled Workers
60-70%
Export Percentage
ISO 9001
Certified
OEM/ODM
Customization
24/7
Technical Support
Production Process
1
Material Preparation
Raw material inspection & mixing
2
Mold Design
Precision CNC mold fabrication
3
Compression Molding
High-precision vulcanization
4
Deflashing
Automated flash removal
5
Quality Inspection
100% dimensional & visual check
6
Packaging & Shipping
Secure packing, global delivery
Packaging & Shipping
Item Details
Inner Packaging PE bag / vacuum sealed bag
Outer Packaging Standard export carton with pallet
Custom Packaging Available on request (branded bags, labels)
Port of Loading Xiamen, China
Lead Time 7-15 days after order confirmation
Shipping Method Sea freight / Air freight / Express (DHL, FedEx, UPS)
Frequently Asked Questions
What material is best for my application?
The choice depends on temperature, chemical exposure, and pressure requirements. NBR is ideal for general hydraulic oil applications; FKM/Viton for high-temperature and chemical resistance; Silicone for food-grade and medical; EPDM for water/steam. Please share your working conditions and we will recommend the optimal material.
Can you produce custom sizes and materials?
Absolutely. We specialize in custom molded O-rings. You can provide drawings, samples, or dimensions, and our engineering team will design and manufacture to your exact specifications. Custom compounds and colors are also available.
What is your minimum order quantity (MOQ)?
Our standard MOQ is 100 pieces per size, but we are flexible for trial orders and new clients. Contact us with your requirements and we will work out the best solution for you.
Do you provide free samples?
Yes, we offer free samples of standard sizes. For custom sizes, a small mold fee may apply. Samples are usually shipped within 3-5 working days via express courier.
What certifications do you have?
We are ISO 9001:2015 certified. Our products comply with FDA, RoHS, REACH, and NSF standards depending on the material. Third-party testing reports (SGS, TUV) are available upon request.

Product Tags:

High Pressure O Ring

      

Backup Ring

      

Anti-Extrusion Seal

      
Wholesale Custom High Pressure O-Ring Seals with Backup Ring | Anti-Extrusion Rubber Gasket from china suppliers

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