J41N-25\J41N-40 liquefied gas stop valve |
Type of the products: J41N |
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Characteristic:
It is the packing to adopt the elastic shaping polytetrafluoroethylene (PTFE), the packing sealing property rises with the medium pressure but strengthens, combine possession and pour the sealed function , is suitable for high school's pressing the gas and sending the pipeline.
J41N-25/40 stop valve
Open directly (DN ): 15∽ 200 ( mm)
2.5∽ 4.0MPa of pressure (PN )
Material : Forge steel , carbon steel
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Major part material :
The valve has body
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Valve stem, valve one
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Seal the surface
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Packing
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Carbon steel
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Stainless steel
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Stainless steel and 101
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Polytetrafluoroethylene (PTFE)
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Nylon
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Performance norm:
Nominal pressure PN
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JIS10K
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JIS20K
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MPa
|
1.6
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2.5
|
4.0
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Shell test pressure PN
|
2.4
|
3.75
|
6.0
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Sealed test pressure of high pressure
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1.76
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2.75
|
4.4
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Suitable medium
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Liquefied gas , natural gas ,etc.
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Suitable temperature
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-40∽ +80 degrees Centigrade
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The flange connects the standard
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JB/T 79-94
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Japanese JIS-10K , 20K judge and stop the valve
Open directly (DN ): 15∽ 200 ( mm)
Pressure (PN ): 2.5,4.0MPa
Material : Forge steel , carbon steel
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The size of main appearance and size of connecting:
Unit: mm
PN
|
DN
|
L
|
H
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D
|
D1
|
D2
|
b
|
f
|
Z- φ d
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D0
|
|
15
|
130
|
207
|
95
|
65
|
45
|
16
|
2
|
4-14
|
120
|
|
20
|
150
|
217
|
105
|
75
|
55
|
16
|
2
|
4-14
|
140
|
|
25
|
160
|
219
|
115
|
85
|
65
|
16
|
2
|
4-14
|
160
|
|
32
|
190
|
280
|
135
|
100
|
78
|
18
|
2
|
4-18
|
180
|
2.5MPa
|
40
|
200
|
330
|
145
|
110
|
85
|
18
|
3
|
4-18
|
200
|
4.0MPa
|
50
|
230
|
350
|
160
|
125
|
100
|
20
|
3
|
4-18
|
240
|
10K
|
65
|
290
|
400
|
180
|
145
|
120
|
22
|
3
|
8-18
|
280
|
20K
|
80
|
310
|
430
|
195
|
160
|
135
|
22
|
3
|
8-18
|
320
|
|
100
|
350
|
465
|
230
|
190
|
160
|
24
|
3
|
8-23
|
360
|
|
125
|
400
|
502
|
270
|
220
|
188
|
28
|
3
|
8-25
|
400
|
|
150
|
480
|
560
|
300
|
250
|
218
|
30
|
3
|
8-25
|
440
|
|
200
|
600
|
580
|
360
|
310
|
278
|
34
|
4
|
12-25
|
480
|
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Note: The flange seals the surface pattern concave and convex face and makes concave surface according to user's order contract requirement. |