
150lb, 300lb, 600lb 800lb Bolted Bonnet or Welded Bonnet Gate Valve
We have a group of high-quality management personnel and skilled workers, constantly strive to improve ourselves, provide customers with the best service, and contribute to the CK3MCuN Gate Valve, Electric Actuator Floating Ball Valve, Monel 400 Gate Valve industry. Our mission is to create an open and win-win platform and work with partners to create a healthy industry environment. We are committed to building a corporate talent team, and improving culture while achieving customer goals. Based on the concept of 'safety, professionalism and value', our company continuously strengthens research and development, updates service concepts and innovates management models. The product has been unanimously recognized by users.
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 believe that prolonged expression partnership is really a result of top of the range, value added support, rich encounter and personal contact for 150lb, 300lb, 600lb 800lb Bolted Bonnet or Welded Bonnet Gate Valve. Our company adheres to the development concept of 'Integrity, Integrity, Responsibility', insists on leading the development of the enterprise with technological innovation, and provides customers with products that meet customer needs and services that exceed their expectations. Our product quality is stable and reliable with timely service, they have been sold at home and abroad, and won the praise of the majority of customers.
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