◆ Material of Swing type Check Valve
| Pos. | Part | Material |
| 1 | Body | Carbon steel、Stainless steel |
| 2 | Disc | Carbon Steel、Stainless Steel |
| 3 | Pin | F6a、17-4PH |
| 4 | Bonnet Gasket | Graphite+SS |
| 5 | Bonnet | Carbon Steel、Stainless Steel |
| 6 | Bolt | ASMT B193-B7/B8/B8M |
| 7 | Nut | ASMT B194-2H/8/8M |
| 8 | Stem Packing | Flexible Graphite |
| 9 | Bonnet Gasket | Graphite+SS |
| 10 | NACE | NACE MR 0175 |
| 11 | Design and Manufacturing Standards | BS1868 |
1.The swing check valve manufactured by ZHEJIANG ZHENGFENG VALVES. adopts the swing type structure with built-in rocker arm.
2.The connection of rocker arm and disc of swing check valve adopts spherical connection structure, which makes the valve disc have certain degree of freedom within 360 degree range and appropriate micro position compensation.
3.The main materials of swing check valve produced by our company include 304, 304L, 316, 316L, A105, WCB, Hastelloy, LC2, LC3, LCB, C4, 2205, 2507, c95800, etc.
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or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
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