Gate valve
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Gate valve
 
Product description  

 

Main outer size
DN
G
L
E
B
D
H
A
6
1/4"
60
15
20
23

80

60

10
3/8"
60
15
23
26

80

60

15
1/2"
68
17
28
31

90

70

20
3/4"
82
18
35
38

98

70

25
1"
90
20
42
46

108

80

32
11/2"
105
21.5
51
56

120

80

40
11/4"
125
23
59
63

146

98

50
2"
140
24.5
71
76

162

100

65
21/2"
25

 

 


 Specifications

Nominal pressuare
PN
2.5,4.0,6.4
Mpa

Strength testing pressure
PT
3.8,6.0,9.6

Set testing pressure
0.6

Seat testing pressure
3.0,4.8,7.6

Applicable media
  25C
Q11F-
40C
  64C
  25P
Q11F-
40P
  64P
  25R
Q11F-
40R
  64R
Water.Oil.Steam
Nitric acid
Acetic acid

Applicable temperatrue
-40~180℃

 
 Materials of main parts

Description of Parts
J11W-25,40
J11W-25P,40P
J11W-25R,40R

Valve body
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M

Ball
ICr18Ni9Ti
304
ICr18Ni9Ti
304
1Cr18Ni12MP2Ti
316

Valve rod
ICr18Ni9Ti
304
ICr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316

Sealring

Polytetrafluoroethlene

Packing

Polytetrafluoroethlene