Oilfield wcb class pressure seal gate valve

Oilfield wcb class pressure seal gate valve

Pressure seal gate valve is widely used in electric power, petroleum, chemical industry and other industries, belongs to the field of automation control technology. The characteristics of the WCD class pressure seal gate valve is inserted into the valve cover, stem on the valve stem head set of ram into the valve body, and the pressure sealing ring, sealing ring, snap ring, plate in turn into the valve body, valve installed on the valve cover, valve cover are installed on the right and left clip clip

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Pressure seal gate valve is widely used in electric power, petroleum, chemical industry and other industries, belongs to the field of automation control technology. The characteristics of the WCD class pressure seal gate valve is inserted into the valve cover, stem on the valve stem head set of ram into the valve body, and the pressure sealing ring, sealing ring, snap ring, plate in turn into the valve body, valve installed on the valve cover, valve cover are installed on the right and left clip clip, position into on the valve stem packing pad, packing pressure, packing gland, graphite packing, braided packing in turn pressure into the valve cover, stem nut installed within the stent, bearing, gland, screwing on the valve stem has assembled bracket connected to the valve body. The sealing structure of the oilfeild pressure seal gate valve is simple, the performance is safe and reliable, and it is convenient for the debugging and maintenance of the valve in the use process.

Standards compliance of the oilfield wcb class pressure seal gate valve

Design and Manufacture:AMSI B16.34,API600 API6D,BS1414

Face to face(end to end):ANSI B16.10,API6D

Flanged cnnection:ANSI B16.5

Butt welded end:ANSI B16.25

Test and inspection:API598,API6D 

A.Back up ring:Absors thrust applied by internal pressure

B.Thrust ring:Protects the soft metallic gasket from deformation

C.Gasket:Unique angular design provides superior sealing....

Parameter of the oilfield wcb class pressure seal gate valve

NO. Part name WCB LCB WC6 WC9
1 Bolt and nut A193 Gr B7/A194 Gr 2H A320 Gr L7/A194 Gr 4 A193 Gr B16/A194 Gr 4/7 A193 Gr B16/A194 Gr 4/7
2 Gland packing Graphite Graphite Graphite Graphite
3 Gasket Soft lron Soft lron SS304 SS304
4 Thrust ring A105 A182 F304 A182 F11 A182 F22
5 Back up ring A105 A182 F304 A182 F11 A182 F22
6 Yoke A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
7 Bonnet A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
8 Body A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9

 Materials List of the oilfield wcb class pressure seal gate valve:

NO. Part name Material
9 Grease nipple Brass
10 Grub screw Carbon steel
11 Hand wheel nut Carbon steel
12 Hand wheel Malleable lron/cast steel/dycuke lron/fabricated steel
13 Yoke nut Carbon steel/SS
14 Eye bolt and nut A 193 B7/A194 2H~A193 B8/A194 8
15 Pin Carbon steel/stainless steel
16 Stem Nut A 439-D2/cu-alloy
17 Gland flange Carbon steel/equivalent to body material
18 Gland Stain less steel
19 Gland bush  
20 Back seat  
21 Stem  
22 Seat ring  
23 Wedge See body material

 

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