Delivery Time:7-15 working days after received payment
Certification:ISO/CE/API/SGS

BSPT / NPT Threaded 1/2'' Pressure Seal Gate Valve Bonnet Structure​

 
Product Description
 
Forged Steel Self-Sealing Thread Gate Valves: API 602 Design, Bolted or Weled Bonnet, Socket Welded and Threaded Ends, 1/2 - 2 Inch, Pressure Rating Class 150 - 2500 LB or as customer required.
 
Design Features:
 

Bolted bonnet or Welded bonnet Wedge type: Solid wedge Back seat design Stem is integrally forged and connected with wedge by T-joint Packing is flexible graphite or other materials according to clients requirements, and a spring-loaded mechanism can be provided as per special requirements Outside screw and yoke(OS&Y)

 
 
Material List

Item	Part Name	Standard	Low Temperature	Stainless Steel
1	Body	A105N	A182 F22	A182 F316
2	Seat Ring	A276 F420	A276 304	A182 F316
3	Wedge Disc	A182/F430	A182 F304	A182 F316
4	Stem	A182 F6a	A182 F304	A182 F316
5	Bolt	A193 B7	A196 B16	A193 B8M
6	Bonnet	A182 F304	A182 F22	A182 F316
7	Sealing Seat	A276 F420	A182 F304	A182 F316
8	Sealing Ring	A182 F304	A182 F304	A182 F316
9	Cylindrical Pin	A276 F420		A182 F304
10	Lift Nut	A192 2H	A1944	A194 8M
11	Nut	A192 2H	A1944	A194 8M
12	Stem Nut	A276 420
13	Locking Nut	A194 2H	A1944	A194 8M
14	Packing Bushing
15	Gland	A105N	A182 F304
16	Handwheel	A197		A182 F304
17	Packing	Flexible Graphite+304		PTFE
Suitable Medium		Water, Stem, Oil		Nitric Acid, Acetic Acid
Suitable Temp.		-29ºC-425ºC	-29ºC-550ºC	-29ºC-200ºC

 
Design Standards:

Design And Manufacture	API 602(BS 5352)
Design And Manufacture	ASME B16.10 Or Manufacturer's specification
Flange Ends Dimensions	ASME B16.5
BW Ends Dimensions	ASME B16.25
Socket Weld Ends Dimensions	ASME B16.11
Threaded Ends Dimensions	ASME B1.20.1
Pressure-Temperature Ratings	ASME B16.34
Normal Pressure	Class 800-2500
Normal Diameter	NPS1/2"-2"

 

 
Competitive Advantages:
1. Our products is guaranteed within 18 months after delivery.
2. We offer free sample if interest before orders.
3. Technology renovation, process improvement, structure optimization and quality improvement.
4. Excellent after-sales service system, providing timely and optimal service, which help you to win the market.
5. Convenient shipping sea port, and standard exporting carton boxes & plywood cases.
6. 100% inspection & testing before delivery.
7. Third party inspection on customer requirement.