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部件 PART |
规格说明 SPECIFICATION |
*1. |
阀体 Valve Body |
灰铁,ASTM A 48,30A级 Gray Iron, ASTM A 48 Class 30A |
2. |
阀座 Seat |
青铜C83600或C93200, ASTM B 505 Bronze C83600 or C93200, ASTM B 505 |
3. |
单向阀瓣 Clapper |
不锈钢304, ASTM A 240 Stainless Steel 304, ASTM A 240 |
**4. |
端面密封 Facing Seal |
三元乙丙橡胶 EPDM Rubber |
5. |
压环 Clamping Ring |
不锈钢304, ASTM A 240 Stainless Steel 304, ASTM A 240 |
**6. |
垫圈 Gasket |
三元乙丙橡胶 EPDM Rubber |
7. |
弹簧 Spring |
不锈钢302, ASTM A 313 Stainless Steel 302, ASTM A 313 |
8. |
铰销 Hinge Pin |
不锈钢303, ASTM A 582 Stainless Steel 303, ASTM A 582 |
9. |
螺栓 Bolt |
不锈钢304, ASTM F 593 Stainless Steel 304, ASTM F 593 |
**10. |
防松螺母 Locknut |
不锈钢303, ASTM F 594 Stainless Steel 303, ASTM F 594 |
11. |
插塞DN8 NPT Plug 1/8" NPT |
钢 Steel |
12. |
插塞DN15 NPT Plug 1/2" NPT |
钢 Steel |
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