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ZJHP oxygen dedicated pneumatic single seat regulating valve
Caliber range: DN20-300mm Pressure range: PN1.6-6.4MPa Applicable temperature: -200 ℃ to 560 ℃ Product application: This series of products includes s
Product details
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ZJHP oxygen dedicated pneumatic single seat regulating valve
1、 Product Details
Product model: ZJHP
Product Name: Oxygen Special Pneumatic Single Seat Regulating Valve
This series of products includes various types such as standard type, adjustable cutting type, corrugated pipe sealing type, jacket insulation type, etc. The nominal pressure rating of the product includes PN16, 40, and 64; The nominal diameter range is DN20-300. Suitable for fluid temperatures ranging from -200 ℃ to 560 ℃ in various grades. The leakage standard has level IV or VI, and the flow characteristics are linear or equal percentage. A variety of varieties and specifications are available for selection.
2、 Main component materials
Valve body and valve cover
ZG1Cr18Ni9Ti
Valve core and seat
1Cr18Ni9Ti, Si Ti Lai alloy overlay welding
Soft seal valve core
Reinforced polytetrafluoroethylene
Packing material
Polytetrafluoroethylene, flexible graphite, stainless steel corrugated pipe
Gasket
Rubber asbestos board, 1Cr18Ni9Ti, graphite wrapped gasket
Membrane cover
A3
corrugated diaphragm
Nitrile rubber clip reinforced polyester fabric
Spring
60Si2Mn
Valve stem, push rod
2Cr13, 1Cr18Ni9Ti
Lining
2Cr13
3、 Main technical parameters
Nominal diameter DN (mm)
Valve seat diameter (dn)
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
10
12
15
20
Rated flow coefficient KV
straight line
1.8
2.8
4.4
6.9
11
17.6
27.5
44
69
110
176
275
440
690
1100
1760
Equal percentage
1.6
2.5
4
6.3
10
16
25
40
63
100
160
250
400
630
1000
1600
Rated travel L (mm)
10
-
-
-
16
-
25
-
40
-
-
60
-
-
100
-
Effective area of membrane Ae (cm)2)
280
-
-
-
-
-
400
-
600
-
-
1000
-
-
1600
-
-
-
Signal range Pr (KPa)
20-100, 40-200, 80-240 segments: 20-60, 60-100
Gas source pressure Ps (MPa)
0.14～0.4
Inherent flow characteristics
Straight line, equal percentage
Inherent adjustable ratio R
50：1
Allowable leakage amount
Hard seal: Grade IV, soft seal: Grade VI
Nominal pressure PN (MPa)
1.6, 4.0, 6.4
Working temperature t (℃)
Normal temperature type
-20-220- 40-250- 60~250
Heat dissipation type
-40-450- 60~450
High temperature type
450~560
Low temperature type
-60-100- 100-200- 200～-250
4、 External dimensions
Nominal diameter DN
20
25
32
40
50
65
80
100
125
150
200
250
300
350
400
L
PN16
185
200
205
222
250
276
298
350
410
451
600
670
735
-
-
PN40
190
205
210
230
255
285
310
355
425
460
615
685
750
-
-
PN64
200
210
220
251
286
311
337
394
440
475
630
700
765
-
-
H1
Normal temperature type
PN16
487
493
524
524
538
686
706
726
969
696
1009
1353
1390
-
-
PN40
487
493
524
524
538
686
706
733
979
979
1029
1373
1415
-
-
PN64
487
503
534
534
546
696
713
743
999
999
1044
1385
1425
-
-
Medium temperature type
Standard model plus 200
Standard model plus 250
Standard model plus 320
Standard model plus 350
-
H2
PN16
53
58
68
73
80
90
98
108
123
140
168
203
230
-
-
PN40
53
58
68
73
80
90
98
115
135
150
188
223
255
-
-
PN64
63
68
75
83
88
100
105
125
148
170
203
235
265
-
-
A
282
360
470
620
-
Flange standard
GB: 1.6, 2.5, 4.0, 6.4MPa ANSL: 150, 300, 600Lb JLS: 10K, 20K, 30K
Ordering Instructions
1. Product model and name 2. Nominal diameter (DN) 3. Nominal pressure (PN) 4. Rated flow coefficient KV 5. Material of valve body and internal components 6. Fixed flow characteristics 7. Applicable temperature and medium 8. Operating mode of the whole machine (electric on/off) and input signal 9. Whether accessories (operator, servo amplifier, etc.) are included
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