Cast Steel Swing Check Valves, lift check valves, piston check valves
Standard compliance
1) Design and manufacture: API6D, ANSI B16.34, BS1868
2) Test and inspection: API598
3) Face to face dimensions: ANSI B16.10
4) Flanged end: ANSI B16.5, B16.47 SERIES A & SERIES B
5) Butt-welding end: ANSI B16.25
6) Other standards (DIN, BS, JIS) is also available upon request.
Specifications
1) Size: 2" to 36"
2) Class: 150LB to 2500LB
3) Type: Bolted Cover, Swing Disc, Threaded or Welded seat ring
4) Material: WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, MONEL, ALLOY 20, CAST IRON etc
5) Operation: Lever with counterweight(option)
Standard materials of parts
Manufacturing process
Drawing or Samples→Tooling making→ Wax pattern making → Inspection wax pattern → Tree Assembly→Shell making → Dewaxing → Shell roasting and pouring → Cutting and sand blasting →Heat treatment → Machining→Final
quality control→Packing →Shipping
Other products
Our equipment
Our workshop
FAQ
Q:Why choose us ?
A: we are a manufacturer, we have over 20 years experience in casting .
B. We have our own casting foundary of a large scale
Q. what is your payment term?
A: T/T , L/C or other acceptable payment.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: what is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
Q:How about your capacity?
A:We have 300staffs,own 50 CNC machines,and five persons in charge of quality inspection and 5 engineers. Our 6 casting block workshops can both ensure on time delivery and quality that last.
Standard compliance
1) Design and manufacture: API6D, ANSI B16.34, BS1868
2) Test and inspection: API598
3) Face to face dimensions: ANSI B16.10
4) Flanged end: ANSI B16.5, B16.47 SERIES A & SERIES B
5) Butt-welding end: ANSI B16.25
6) Other standards (DIN, BS, JIS) is also available upon request.
Specifications
1) Size: 2" to 36"
2) Class: 150LB to 2500LB
3) Type: Bolted Cover, Swing Disc, Threaded or Welded seat ring
4) Material: WCB, WCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CN7M, LCB, LCC, DUPLEX SS, MONEL, ALLOY 20, CAST IRON etc
5) Operation: Lever with counterweight(option)
Standard materials of parts
| No. | Parts | Materials |
| 1 | Body | ATM A216 WCB |
| 2 | Seat ring | ASTM A105 + 13Cr |
| 3 | Disc | ASTM A216 WCB + 13Cr |
| 4 | Disc nut | ASTM A182 F6 |
| 5 | Hinge | ASTM A216 WCB |
| 6 | Hinge pin | ASTM A182 F6 |
| 7 | Gasket | Stainless steel and graphite spiral wound |
| 8 | Cover | ASTM A216 WCB |
| 9 | Cover bolt | ASTM A193 B7 |
| 10 | Cover nut | ASTM A194 2H |
| 11 | Washer | Steel |
Manufacturing process
Drawing or Samples→Tooling making→ Wax pattern making → Inspection wax pattern → Tree Assembly→Shell making → Dewaxing → Shell roasting and pouring → Cutting and sand blasting →Heat treatment → Machining→Final
quality control→Packing →Shipping
Other products
Our equipment
Our workshop
FAQ
Q:Why choose us ?
A: we are a manufacturer, we have over 20 years experience in casting .
B. We have our own casting foundary of a large scale
Q. what is your payment term?
A: T/T , L/C or other acceptable payment.
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: what is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
Q:How about your capacity?
A:We have 300staffs,own 50 CNC machines,and five persons in charge of quality inspection and 5 engineers. Our 6 casting block workshops can both ensure on time delivery and quality that last.