O-Ring Seals
Sinomach lists O-rings for hydraulic and pneumatic assemblies, including static sealing and use with coaxial seal arrangements.
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The GSJ rod-seal entry describes a filled PTFE step ring energised by an elastomer O-ring for single-acting rod sealing.
Supply the seal or groove drawing, medium, movement, operating conditions and existing material reference. Ask for the actual offered grade and dimensional and material information for comparison with the particular sealing task. Request the current catalogue or drawing for this item, and confirm the offered configuration and supporting documents with the company before specifying an order.