
API6d Carbon Steel/Stainless Steel, Wcb&CF8&CF8m Flanged&Welded Solid Wedge Bolted Bonnet Forged Hard Seat Gate Valve
We are committed to maintaining the high quality of our Fully Welded Ball Valves, Concentric Butterfly Valves, Cast Steel Lift Check Valve from beginning to end and continuing to innovate and create greater value for our customers. We have established and improved a position management system that is compatible with talent capabilities, and strive to form a performance-first talent evaluation system. We follow the trend of technological development, and insist on independent technological innovation with an excellent R&D team. Our company's new product research and development capabilities and product delivery capabilities are in the leading position, our testing, testing equipment and means are advanced and complete. Our production capacity and after-sales service capabilities continue to enhance, our company is gradually becoming a modern enterprise with standardized management. It is our lofty ideal to inherit industrial civilization and create a precedent for modern advanced manufacturing.
Product Details
NSV Welded Bonnet Forged gate valves are designed and manufactured to provide maximum service life and dependability. This design can leaking less than normal BB design from Body/Bonnet.
Design Features
Solid wedge gate
Full port or reduced port design
Welded bonnet(WB)
Flanged, butt-welded, SW, or threaded ends

Standard Material Specifications
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | Seat Ring | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
3 | Wedge | A276 430&410 | A182 F304 | A182 F304(L) | A182 F316(L) |
4 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
5 | Gasket | Corrugated SS+graphite | SS+PTFE | ||
6 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
7 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
8 | Pin | A276 420 | A276 304 | ||
9 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
10 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
11 | Gland Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
12 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M |
13 | Yoke Nut | A276 420 | |||
14 | H.W.Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
15 | Nameplate | SS | |||
16 | Handwheel | A197 | |||
17 | Bearing Gasket | A473 431 | |||
18 | Stem Packing | Flexible Graphite | PTFE | ||
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc | ||
Suitable Temperature | -29℃-425 ℃ | -29℃-550℃ | -29℃ -550℃ | ||
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel.
STRUCTURAL FEATURES
1. A compact but extremely sturdy design for high pressure-temperature service.
2. For Class 1500 valves and for steam service, seats are seal-welded to the body.
3. For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (Body/bonnet threads and strength-weld).
FAQ
1. Q:What's the packing for shipping?
A:Its carton for small valves(sample) and plywood case(don't to fumigate).
2. Q:Do you have any valve in stock?
A:There have a lot of GGC valves(2"&within) in stock,and that can delivery within one week.
3. Q: What's the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.
We have very precise machines making us able to develop and manufacture many new API6d Carbon Steel/Stainless Steel, Wcb&CF8&CF8m Flanged&Welded Solid Wedge Bolted Bonnet Forged Hard Seat Gate Valve, which is our strength and predominance. We hope to work with you and serve you with our excellent goods and services. We will rely on the various experiences accumulated over the years to make the national brand more refined and stronger.
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