
Forged Type Pressure Sealed Bonnet Gate Valve
We always adhere to the business tenet of 'Quality First, Service Excellence', and use a complete business system to continue to provide users with high-quality Hastelloy B2 Globe Valve, Non-Slam Nozzle Check Valve, Cast Basket Strainer and professional services. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. We persist with the principle of 'quality 1st, assistance initially, continual improvement and innovation to meet the customers' for your management and 'zero defect, zero complaints' as the standard objective.
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.
Our company has many years of rich practical experience, we always provide customers with the best quality Forged Type Pressure Sealed Bonnet Gate Valve and the most timely after-sales service. Our company adheres to the business philosophy of 'let products speak, operate with quality, always put the interests of customers first' and make customers get ideal returns with strict management and high-quality products. We meet up to personal requirements with all products of your very own styles.
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