Gas gate valve product production standards and product performance specifications

Shell test

Left seal

Right seal

Low pressure air seal

normal type

Sulfur resistant

Nominal pressure（MPa）

1.6

2.4

1.76

1.76

0.6

-29~121℃ or according to user requirements

Non-corrosive media such as oil, natural gas, water, etc.

Corrosive media containing H2S, Co2, such as oil, natural gas, water, etc.

2.5

3.75

2.75

2.75

0.6

4.0

6.0

4.4

4.4

0.6

6.4

9.6

7.04

7.04

0.6

Pound class（Lb）

150

3.0

2.2

2.2

0.6

300

7.5

5.5

5.5

0.6

1

Drain plug

25

2

Valve body

WCB

3

gate

16Mn+ENP

4

Valve seat

16Mn

5

O-ring

NBR

6

Sealing ring

PTFE

7

Stem nut

ZQAL9-4

8

Stem

1Cr13

9

Gasket

Flexible graphite+1Cr18Ni9

10

cap

WCB

11

Double-ended stud

35CrMo

12

Nut

45

13

O-ring

NBR

14

Bearing

Package

15

Open loop

45

16

Socket head cap screws

35

17

key

45

18

Switch indicator

PTFE+1Cr18Ni9

19

Handwheel

Q235A

20

Nut

35