ZECO is a professional manufacturer of swing check valves, stainless steel materials can be selected ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3, ASTM A351 CF3M, UNS S32205 or super stainless steel materials and so on. ZECO is very strict about the testing of raw materials. All stainless steel materials must undergo spectral testing and physical analysis when they arrive at the factory, and only when they meet the requirements of international standards can they be allowed to enter the factory and start the formal processing process. ZECO's stainless steel swing check valve opens the disc fully in the line to prevent disc media flow and increase flow resistance.Swing check valve is the most important process requirements in the disc sealing surface and valve body sealing surface, because there is no external force to help seal, so only the disc and valve seat sealing surface can be closely matched to achieve the complete sealing state, at the same time, according to the requirements of the working conditions can change the material of the disc sealing surface to achieve the desired effect.
1. The material of ZECO stainless steel swing check valve has been strictly tested to meet international standards;
2. The hinge and hinge pin of ZECO stainless steel swing check valve provided and mounted so as to permit full movement of the disc. And ZECO makes sure the disc is fully opened in the body;
3. The seat of ZECO stainless steel swing check valve is renewable;
4. Standard swing disc type, used in horizontal position for liquid service application or used in vertical position where liquid flow from bottom to top.
No | Part | Material |
1 | Body | ASTM A351 CF8 |
2 | Seat | ASTM A182 F304 |
3 | Disc | ASTM A351 CF8 |
4 | Arm | ASTM A351 CF8 |
5 | Nut | ASTM A194 8 |
6 | Pin | ASTM A182 F304 |
7 | Connector | ASTM A351 CF8 |
8 | Gasket | Graphite + SS304 |
9 | Bonnet | ASTM A351 CF8 |
10 | Bolt | ASTM A193 B8 |