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Pressure Seal Gate Valve

Pressure seal gate valves usually are used for high temperature and high pressure application. The materials are available carbon steel, alloy steel and stainless steel.
Picture
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CLASS 600~2500 Pressure Seal Gate Valve

OS&Y, Rising stem, Flexible wedge
Pressure seal bonnet, Threaded or welded seat ring
ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M

Standards compliance

Design and Manufacture: ANSI B16.34, API 600, API 6D, BS1414
Face to face(end to end): ANSI B16.10, API 6D
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598, API 6D
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

Materials

NO. Part Name Material
23 Grease Nipple Brass
22 Grub Screw Carbon steel
21 Hand Wheel Nut Carbon steel
20 Hand Wheel Malleable lron/cast steel/ductile lron/fabricated steel
19 Yoke Nut Carbon steel/SS
18 Eyebolt and Nut A 193 B7/A194 2H~A193 B8/A194 8
17 Pin Carbon steel/stainless steel
16 Stem Nut A 439-D2/cu-alloy
15 Gland Flange Carbon steel/equivalent to body material
14 Gland Stain less steel
13 Gland Bush See body material
12 Back Seat
11 Stem
10 Seat Ring
09 Wedge
NO. Part Name WCB LCB WC6 WC9
08 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
07 Gland Packing Graphite Graphite Graphite Graphite
06 Gasket Soft lron Soft lron SS304 SS304
05 Thrust Ring A105 A182 F304 A182 F11 A182 F22
04 Back Up Ring A105 A182 F304 A182 F11 A182 F22
03 Yoke A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
02 Bonnet A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
01 Body A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
NO. Part Name C5 C12 CF8 CF8M
08 Bolt and Nut A193 Gr B7/A194 Gr 2H A193 Gr B16/A194 Gr 4/7 A193 B8/A194 8 A193 B8M/A194 8M
07 Gland Packing Graphite Graphite Graphite Graphite
06 Gasket SS304 SS304 SS304 SS316
05 Thrust Ring A182 F22 A182 F22 A182 F304 A182 F316
04 Back Up Ring A182 F22 A182 F22 A182 F304 A182 F316
03 Yoke A217 Gr C5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M
02 Bonnet A217 Gr C5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M
01 Body A217 Gr C5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M

Products List

Ball Valve
◆ Cast Steel Floating Ball Valve
◆ Forged Steel Floating Ball Valve
◆ Cast Steel Trunnion Ball Valve
◆ Forged Steel Trunnion Ball Valve
◆ Welded Structure Ball Valve
◆ Top Entry Ball Valve

Butterfly Valve
◆ Concentric Type Butterfly Valve
◆ Double Eccentric Butterfly Valve
◆ Triple Offset Butterfly Valve
◆ High Performance Butterfly Valve
◆ AWWA C504 Butterfly Valve
◆ Electric Butterfly Valve 
◆ Pneumatic Butterfly Valve
◆ High Pressure Butterfly Valve  

Gate Valve
◆ Cast Steel Gate Valve
◆ Pressure Seal Gate Valve
◆ Throught Conduit Gate Valve
◆ Forged Steel Gate Valve

Globe Valve
◆ Cast Steel Globe Valve
◆ Pressure Seal Globe Valve
◆ Forged Steel Globe Valve

Check Valve
◆ Cast Steel Swing Check Valve
◆ Pressure Seal Check Valve
◆ Dual Plate Wafer Check Valve
◆ Forged Steel Check Valve

Plug Valve
◆ Sleeve Soft Sealing Plug Valve
◆ Inverted Pressure Balance Lubricated Plug Valve

◆ Steel Strainer

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China Butterfly Valve Manufacturer - www.chinavalve.info
Address: Sanqiao Industrial Zone, Oubei Town, Yongjia County, Zhejiang Province, China. Zip Code: 325102
Tel: +86-577-67279881 Fax: +86-577-67279880 Email: welcovalve@gmail.com
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