1. Always keep great sealing performance not mater it's swing or rotating.
2. Spillover proof design to protect circuit without pollution at the instant of valve body separation.
3. Imported O-type fluororubber Sealing ring are able to work at -20°~+220°.
4. Corner bend made of SUS420 with high compressive strength.
5. The material of steel ball is imported SUS440, HRC58-60.
6. Sealing surface roughness Ra≤0.1, keep more longer time for abrasion resistance&rust resistance.
7. Cage shell and steel ball are designed to rotating smoothly.
8. Plastice bearing with carbon fibre for self-lubricating installed in the inner center.















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