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Pressure Seal Bonnet Gate Valve
Size: 2"-24"
Pressure: ANSI Class 600 ~ Class 2500
OS&Y, Rising stem, Flexible wedge, Pressure seal bonnet, threaded or welded seat ring
Class 800~1500 Forged Steel Gate Valve

Size: 3/8" ~ 2"
Pressure: ANSI Class 800 ~ Class 1500
Compact body forged steel material, stainless steel trim

Y-Pattern Globe Valve

Size: 3/8" ~ 2"
Pressure: ANSI Class 800
Bolted bonnet, compact body forged steel material, stainless steel trim

Through-Conduit Gate Valve
Size: 2"~36"
Pressure: ANSI Class 150 ~ Clas 1500
Design and manufacture: API 6D
Inspection and test: API 6D or API 598
Flanged Triple Eccentric Butterfly Valve

Size: 2" ~ 42"
Pressure: ANSI Class 150 ~ Class 300
Triple eccentric type, metal multi-layer sealing

API Cast Steel Globe Valve
Size: 2"-18"
Pressure: ANSI Class 150 ~ Class 1500
OS&Y, rising stem, plug disc, bolted bonnet, threaded or welded seat ring
Pressure Seal Bonnet Globe Valve
Size: 2" ~ 16"
Pressure: ANSI Class 600 ~ Class 2500
OS&Y, rising stem, plug disc, pressure seal bonnet
DIN Bellows Seal Globe Valve
1. Size: DN15 ~ DN350
2. Pressure: PN16, PN25, PN40
3. Basic material: GS-C25 1.7363, 1.4308, 1.4408, 1.4306, 1.4301
API Cast Steel Swing Check Valve
Size: 2" ~ 24"
Pressure: ANSI Class 150 ~ Class 1500
Bolted cover, swing type disc, threaded or welded seat ring
Pressure Seal Bonnet Swing Check Valve

Size: 2" ~ 24"
Pressure: ANSI Class 600 ~ Class 2500
Pressure sealing cover, swing type disc, threaded or welded seat ring

 

Class 150~2500 Dual-plate Check Valve

Size: 2" ~ 56"
Pressure: ANSI Class 150 ~ Class 2500
Welco Valve can also produce the size up to 56" and the pressure will be higher than Class 600

Ball Valve,Cast Steel Floating

Size: 1/2" ~ 8"
Pressure: ANSI Class 150 ~ Class 300
Bolted bonnet, two-piece body, floating ball, full or reduced bore, blowout proof stem

 

Ball Valve,Cast Steel Trunnion Mounted

Size: 1" ~ 40"
Pressure: ANSI Class 150 ~ Class 1500
Bolted cover, two-piece or three-piece body, fixed Ball

Ball Valve,Forged Steel Trunnion Mounted

Size: 2" ~ 40"
Pressure: ANSI Class 150 ~ Class 2500
Bolted cover or welded cover, three-piece body, fixed Ball, full or reduced bore, blowout proof stem

Sleeve Type Soft Sealing Plug Valve

Size: 1/2" ~ 14"
Pressure: ANSI Class 150 ~ Class 900
PTFE Sleeve type soft sealing plug valve

Inverted Pressure Balance Lubricated Plug Valve

Size: 1/2" ~ 14"
Pressure: ANSI Class 150 ~ Class 900
Bolted cover, inverted pressure balance type, lubricated

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