Ductile cast iron gate valves are widely used to open or close the water flow in potable water system or sewage system.
They are double flanged and resilient seated.
Detailed description of materials:
| Part name | Material |
| Valve Body | Ductile cast iron (Tensile strength ≥ 450 MPa, elongation: 15%) |
| Valve Bonnet | Ductile cast iron (Tensile strength ≥ 450 MPa, elongation: 15%) |
| Wedge | Ductile cast iron (Tensile strength ≥ 450 MPa, elongation: 15%) |
| Wedge rubber sealing | EPDM or NBR |
| Stem | Stainless steel |
| Stem nut | Bronze |
| Stem guide bush | Bronze |
| O-Rings | EPDM or NBR |
| Sliding disc | POM |
| Handwheel | Steel, black or blue coated. |
Processing standard: DIN EN 1171
Face to face according to: DIN EN 558-1 series 14
Flange standard: DIN EN 1092-2
Valve body and seat pressure standard: DIN EN 1563
Material standard: KTW and DVGW W270
Ductile cast iron gate valve, knife gate valve, butterfly valve, non-return valve, swing check valve etc.
Ductile cast iron pipe fittings like restrained flange adaptor, bend, tee, end cap and couplings etc.
1. Q: What's your MOQ?
A: Generally, it's 50 pieces for each size. For trial order, MOQ can be negotiated.
2. Q: Where is your factory located? What's the nearest air port and and how long it will take from airport to factory?
A: Our factories are located in Shandong province, east of China. It's about 2 hours from factory to Qingdao airport.
3. Q: What's your lead time?
A: In peak season, it needs about 35 days; In off-season about 21 days.
4. Q: What the payment terms required?
A: 1) T/T 30% and the balance against of B/L copy sent to you;
2) L/C at sight
3) For small order, West Union, paypal or cash accepted.
5. Q: Can products be customized?
A: Customized products are welcome. Mould fee be paid by customer first and then be refundable to customer
when order quantities reach the required tons.
Anything uncertain or unclear, please feel free to contact me.