SUNWELL H50* Range
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Ningbo Sunwell Sealing Materials Co.,ltd.
Add: No.16th Hengpeng Rd, Henghe Industrial Zone, Cixi, Zhejiang, China.
Zip: 315302
Tel: 0086-574-23450019
Fax: 0086-574-23450015

Back-up Rings

SUNWELL H50* Range

Back-up ring is a device used in conjunction with an elastomeric seal, eg. O-rings, lip seals, and reciprocating shaft seals. Because its function, back-up ring must be ever done on a harder material that the one it completments. The hardness must be made greater than rubber o-rings.
Care should be taken while selecting the back-up ring material since other physical or chemical factors might be producing the disfunction of a seal

Back-up Rings
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SUNWELL Co.,Ltd is a company registered in Ningbo China, Company Registration Number: 330214000029653.