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Forged steel check valve
Forged steel check valve　　　　　　　　　
Application　　　　　　　　　　　
Sungo Check valves are available in three bonnet designs. The first design is the bolted bonnet, with male-female joint, spiral wound gasketmade in F304L/graphite, ring joint gasket are also available on request. The second design is the welded bonnet, with threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressureseal bonnet joint. The check valve are also available in three different design configurations. These are piston check,ball check or swing checkdesigns.　　　　　　　　　　　　
Typical Drawing of Forged steel check valve　　　　　　
Check valve design construction and specifications　　　　　　

Sungo check valves conform to ASME B16.34
Each are tested according to API598,and marking is as per MSS SP-25　　　　

Standard Material Specification　　　　　　　　
No. Part name CS TO ASTM AS TO ASTM SS TO ASTM SS TO ASTM
TYPE A105 TYPE F22 TYPE F304(L) TYPE F316(L)
1 Body A105 A182 F22 A182 F304（L�/TD> A182 F316（L�/TD>
2 Piston disc A276 410 A276 304 A276 304（L�/TD> A276 316（L�/TD>
3 Gasket Corrugated SS+graphite Corrugated SS+graphite SS+PTFE SS+PTFE
4 Bonnet A105 A182 F22 A182 F304（L�/TD> A182 F316（L�/TD>
5 Nameplate SS SS SS SS
6 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
7 Ball A182 F304 A182 F304 A182 F304 A182 F304
Suitable medium W.O.G.ETC W.O.G.ETC HNO,CH,01H etc HNO,CH,01H etc
Suitable temperature -29℃～425�/TD> -29℃～550�/TD> -29℃～180�/TD> -29℃～180℃　
Dimension(mm) and Weight (kg) 　 　 　 　 　 　
NPS Conv. 3/8 1/2 3/4 1 1�/4 1�/2 2 　
Full 　 3/8 1/2 3/4 1 1�/4 1�/2 2
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Weight Bolted 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.5 4.9 8.1 10.9
 
SUNGO VALVE produce Forged steel check valve,our company is a specialized supplier and manufacturer of Forged steel check valve in china.Our Forged steel check valve in the worldwide and enjoy good fame,If you are interested in any of Forged steel check valve or your customers require to fill, please contact us right now! We will provide you with high-quality Forged steel check valve and services,E-mail:sales@valvesungo.com  Contact Person: Grant Xu

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Contact Person : Grant Xu
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