Item

Standard

NPS(inch)

Class(psi)

Body

Seal/Gasket 

Plate/Disc/Ball 

Stem/Rocket

Temperature

Driver

Media

API Gate Valve

API **0

1/***0”

*******0

WCB

**4

WCB

Stainless steel

******0°C/

******0°C

M,G,E,P

Water,

Steam,

Oil,

Gas,

Etc.

Bellows Gate Valve

API **0

***0”

*******0

**4

Graphite

**4

**4

Butt Welded Gate Valve

BS***2

1/**2”

*******0

**4

Graphite

**4

**4

Worm gear gate valve

GB****4

1/***4”

******0

CF8

**4

CF8

1Cr*8Ni9Ti

Electric Gate Valve

GB****4

1/***0”

******0

CF3

**4

CF3

1Cr*8Ni9Ti

Flange Gate Valve

GB****4

1/***4”

******0

CF8

**4

CF8

1Cr*8Ni9Ti

Forged Steel Gate Valve

API**2

1/**2”

*******0

A**5

**4

A**5

**4

High Pressure Gate Valve

GB****4

***0”

*******0

Cr5Mo

Graphite

Cr5Mo

*8CrMoA1

Knife Gate Valve

JB/T***1

***0”

**0

CF3,CF8M,

**4

**4,**6

**4,**6

Solid Wedge Gate Valve

JB/T***1

***0”

**0

CF3,CF8M,

**4

**4,**6

**4,**6

Stainless Steel Gate Valve

GB****4

***0”

*******0

**4

**4

**4

**4

WCB(Carbon steel) Gate Valve

API 6D

***8”

*******0

WCB

Graphite

WCB

2Cr*3

Welded Gate Valve

JB/T***5

1/***0”

*******0

WCB

Graphite

WCB

2Cr*3

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

DIN***1

1 1/***6”

******0

Gray cast iron

Graphite

Gray cast iron & Brass

**4, **6

Insulation gate valve

GB****4

1/****0

******0

**6

*-

Ni, Ti steel

**6