Specifications
1) Size: 2" - 40"
2) Class: 150lbs - 900lbs
Technical standards:
1) Design and manufacture: API 6D
2) Face-to-face: ANSI B16.10
3) Flange end: ANSI B16.5
4) Inspection and test: API 598
Main materials:
1) Body and disc: brass, carbon steel, stainless steel, Hascrome
2) Stem: stainless steel
3) Torsion spring: stainless steel
4) Seal surface: buna-n rubber, stainless steel, gathered four fluorine
ethylene, and nylon plastics
Inner packing:
Plastic package
Outer packing:
Plywood case
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