Item

Standard

NPS(inch)

Class(psi)

Body

Seal/Gasket 

Plate/Disc/Ball 

Stem/Rocket

Temperature

Driver

Media

API Gate Valve

API 600

1/2-40”

150-2000

WCB

304

WCB

Stainless steel

-40-450°C/

-29-600°C

M,G,E,P

Water,

Steam,

Oil,

Gas,

Etc.

Bellows Gate Valve

API 600

2-20”

900-1500

304

Graphite

304

304

Butt Welded Gate Valve

BS5352

1/2-2”

800-2500

304

Graphite

304

304

Worm gear gate valve

GB12234

1/2-24”

150-400

CF8

304

CF8

1Cr18Ni9Ti

Electric Gate Valve

GB12234

1/2-40”

150-400

CF3

304

CF3

1Cr18Ni9Ti

Flange Gate Valve

GB12234

1/2-24”

150-400

CF8

304

CF8

1Cr18Ni9Ti

Forged Steel Gate Valve

API602

1/2-2”

800-2500

A105

304

A105

304

High Pressure Gate Valve

GB12234

2-20”

600-1500

Cr5Mo

Graphite

Cr5Mo

38CrMoA1

Knife Gate Valve

JB/T8691

1-40”

150

CF3,CF8M,

304

304,316

304,316

Solid Wedge Gate Valve

JB/T8691

1-40”

150

CF3,CF8M,

304

304,316

304,316

Stainless Steel Gate Valve

GB12234

2-20”

600-1500

304

304

304

304

WCB(Carbon steel) Gate Valve

API 6D

2-48”

150-1500

WCB

Graphite

WCB

2Cr13

Welded Gate Valve

JB/T3595

1/2-40”

150-2000

WCB

Graphite

WCB

2Cr13

Cast iron non-rising(rising) stem(wedge) gate valve

DIN2501

1 1/2-16”

150-300

Gray cast iron

Graphite

Gray cast iron & Brass

304, 316

Insulation gate valve

GB12234

1/2-300

150-400

316

--

Ni, Ti steel

316