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Country/Region:Taiwan
Address:No 6, Lane 112 Shuyuan Road, Hsin Chuang City, New Taipei, Taiwan
Zip/Post Code:242
Tel:886-2-29944852
Fax:886-2-29930553
Email:david@yung-hua.com
Contact Person:Hsien Bin Liao
Job Title:President
Country/Region:Taiwan
Address:No 6, Lane 112 Shuyuan Road, Hsin Chuang City, New Taipei, Taiwan
Zip/Post Code:242
Tel:886-2-29944852
Fax:886-2-29930553
Email:david@yung-hua.com
Contact Person:Hsien Bin Liao
Job Title:President
Home > Products > O-Ring Seals


O-Ring Seals

● O-Ring
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We have tooled the entire world standard such as AS 568A, JIS B2401, and Metric Standard O-Rings. Material are compounding according to ASTM D-2000 specifications, including
NBR, Silicone, Neoprene (CR), EPDM, SBR, and Viton (FKM or FPM)

O-Ring Seals Key Specifications / O-Ring Seals Special Features:
* AS 568 A Series
* JIS B2401 Series
* Metric Standard Series
* DIN 3771 Size series
* ISO 3601 Series
* Non-Standard size also available
* Compounding according to ASTM D-2000 specification
* In-house tooling shop to ensure quick and quality delivery with reasonable cost.
* Low tooling cost to develop the non-standard products.
* NBR ,Silicone, Neoprene (CR), SBR, EPDM and Viton(FKM or FPM)
* Back-up Rings are also available for AS568 8-Series.
* Quad Ring (X-Ring)
* Waterproof Rubber Seal O-Ring


● Back-up Rings ( Parker 8-Series dimension) 
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Back-up rings are used in conjunction with O-ring for both static and dynamic sealing applications. They prevent extrusion of the O-ring when it is subjected to high pressures, or when the extrusion gaps are excessive. Wherever possible two Back-up rings should be used, one on each side of the O-ring.

Back-up Rings Key Specifications / Back-up Rings Special Features:
* AS 568A Series
* Hardness : 90 +/- 5 Shore A( D2240)
* Material: NBR or Viton( FKM or FPM)
* Competitive pricing
* Short lead time
* Small orders are accepted


● Polyurethane O-Ring
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Polyurethane O-rings is one of our special products for O-Ring
Color: Green and Tan
Hardness: 70 or 90 Shore A
All world standard sizes are able to supply
Custom mold products also available


● O-Ring Kit Box
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The daily often-used o-rings are put to a kit with plastic box.

O-Ring Kit Box Key Specifications / O-Ring Kit Box Special Features:
* AS 568A Series
* JIS B2401 series
* Metric Standard series
* Competitive Price
* Short lead time