DZ11H , DZ11Y type 150 (Lb) ~ 800 (Lb) forging steel cryogenic gate valve main performance parameters

model

Pressure level 
(LB)

Working pressure 
(MPa)

Applicable temperature 
( ℃ )

Suitable media

DZ11H-150 (Lb)

150

2.0

≤425

Water, steam, oil

DZ11H-300 (Lb)

300

5.0

DZ11H-600 (Lb)

600

10.0

DZ11H-800 (Lb)

800

14.0

DZ11Y-150 (Lb)

150

2.0

≤425

Water, steam, oil

DZ11Y-300 (Lb)

300

5.0

DZ11Y-600 (Lb)

600

10.0

DZ11Y-800 (Lb)

800

14.0

DZ11H , DZ11Y type 150 (Lb) ~ 800 (Lb) Forged steel cryogenic gate valve parts and components

model

material

Body, bonnet, gate

Valve stem

Sealing surface

filler

DZ11H-150 (Lb)

Carbon steel

Chrome stainless steel

Chrome stainless steel or
carbon steel surfacing cemented carbide

Flexible asbestos

DZ11H-300 (Lb)

DZ11H-600 (Lb)

DZ11H-800 (Lb)

DZ11Y-150 (Lb)

Carbon steel

Chrome stainless steel

Chrome stainless steel or
carbon steel surfacing cemented carbide

Flexible asbestos

DZ11Y-300 (Lb)

DZ11Y-600 (Lb)

DZ11Y-800 (Lb)

DZ11H , DZ11Y type 150 (Lb) ~ 800 (Lb) Forged steel cryogenic gate valve main shape and structure size(mm)

DN

S / mm

T / in

W / mm

H (open) / mm

Weight / kg

in

mm

JNSI

JIS

½

15

21.8

22.2

½

125

333

7.1

¾

20

27.1

27.7

¾

125

360

9.4

1

25

33.8

34.5

1

160

407

13.5

1¼

32

42.6

42.2

1¼

160

475

15.0

1½

40

48.7

49.1

1½

180

475

17.8

2

50

61.1

61.1

2

200

551

28.0