jis 5k50 bellows underground globe valve pn16 cast-iron gate valve Resilient Seated flange Gate Valves Ductile
NO. | Name of Parts | Material |
1 | Body | QT450 Nodular cast iron |
| | ZG280-520 Carbon steel |
| | ZG0Cr18Ni9 Stainless steel |
2 | Seat | Copper alloy |
| | 0Cr18Ni9 Stainless steel |
3 | O-ring | NBR Nitrile rubber |
4 | Stem | Cr13. 0Cr18Ni9 |
| | stainless steel |
5 | Diaphragm | NBR |
| | EPDM |
6 | Spring | Spring steel |
7 | Bonnet | QT450 Nodular cast iron |
| | ZG280-520 Carbon steel |
| | ZG0Cr18Ni9 Stainless steel |
1) Fast Material Supply. Have own copper bar Factory of Group.
2) Every valve put through a six-step QC process before delivery.
Material Control, Machining Quality Control, In-coming Material Inspection, Assembly Line Quality Control, Leakage Testing, Final Inspection Before Delivery.
3) 100% Leakage Test.
4) Strictly and perfect management in production.
5) Guaranteed Quality In Competitive Price.
6) On-time Delivery.
7) Complete R&D facilities and Excellent team.
8) Annual R&D projects reach the number of 100.
9) Have rich experience and strong ability to develop new products.
10) ISO9001 and ISO14001 approved