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磅级弹簧全启式安全阀
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WFA42C型磅级弹簧全启式安全阀
Description:

主要性能规范 Main property and specifiecation  
 Normal Pressure PN 150 300 600 900 1,500
 Body strangth Ps(MPa) 3.0 7.5 15 22.5 38
 Set pressure Pk(MPa) 0.1-2 1.6-5 3.2-10 8-15 10-25
 Seal pressure Pm(MPa) 90% Pk
 Reseation pressure Ph(MPa) 90% Pk
 Relieving pressure Pp(MPa) 1.1 Pk
 Llift H(mm) 1/  d0
4  
 Appropriate temperature C  300
P   R     200
 Appropriate medium Air,oil,Steam,Water,Corrosive medium

主喉部直径代号 Code of throat diameter
Code Diameter Code Diameter
D 10 L 50
E 13 M 55
F 16 N 60
G 20.5 P 72
H 26 Q 96
J 33 R 115
K 40 T 148

主要尺寸 Main Dimension
WFA42C150   WFA42C150P   WFA42C150R
Nominal Diameter DN(in) Dimension (mm)
do D D1 D2 b t Z- d DN' D' D1' D2' b' t' Z- d' L L1 H
1/"  3/ "
2 4 
D 89 60.5 35 12 5 4-15 20 98 70 43 14 1.6 4-15 90 90 260
3/"  11/ "
4 2 
D 98 70 43 14 5 4-15 25 108 79.5 51 15 1.6 4-15 96 92 280
1"    11/ "
2  
D 108 79.5 51 15 5 4-15 40 127 98.5 73 18 1.6 4-15 115 105 290
1"    2" D 108 79.5 51 15 5 4-15 50 152 120.5 92 18 1.6 4-19 115 105 290
11/ "    2"
2  
G 127 98.5 73 18 5 4-15 50 152 120.5 92 18 1.6 4-19 121 124 320
11/"  21/ "
2 2 
G 127 98.5 73 18 5 4-15 65 178 139.5 105 20 1.6 4-19 121 124 340
11/ "    3"
2  
G 127 98.5 73 18 5 4-15 80 190 152.5 127 22 1.6 4-19 124 130 340
2"    21/ "
2  
J 152 120.5 92 18 5 4-19 65 178 139.5 105 20 1.6 4-19 124 130 360
2"    3" J 152 120.5 92 18 5 4-19 80 190 152.5 127 22 1.6 4-19 124 130 360
21/ "    4"
2  
J 178 139.5 105 20 5 4-19 100 229 190.5 157 24 1.6 8-19 143 137 360
3"    4" L 190 152.5 127 22 5 4-19 100 229 190.5 157 24 1.6 8-19 162 156 450
4"    6" N 229 190.5 157 24 10 8-19 150 279 241.5 216 26 1.6 8-22 210 197 510
6"    8" P 279 241.5 216 26 10 8-22 200 343 298.5 270 29 1.6 8-22 241 240 740
8"    10" R 343 298.5 270 29 10 8-22 250 406 362 324 31 1.6 12-25 279 276 810
12"    14" T 483 432 381 32 10 12-25 350 533 476 413 35 1.6 12-29 360 360 860
WFA42C300   WFA42C300P   WFA42C300R
Nominal Diameter DN(in)   Dimension (mm)
do D D1 D2 b t Z- d DN' D' D1' D2' b' t' Z- d' L L1 H
1/"  3/ "
2 4 
D 95 66.5 35 15 5 4-15 20 98 70 43 14 1.6 4-15 90 90 260
3/ "    1"
4
D 117 82.5 43 16 5 4-19 25 108 79.5 51 15 1.6 4-15 96 92 280
1"    11/ "
2  
D 124 89 51 18 5 4-19 40 127 98.5 73 18 1.6 4-15 115 105 290
1"    2" D 124 89 51 18 5 4-19 50 152 120.5 92 18 1.6 4-19 115 105 290
11/ "    2"
2  
G 156 114.5 73 20 5 4-22 50 152 120.5 92 18 1.6 4-19 121 124 320
11/"  21/ "
2 2 
G 156 114.5 73 20 5 4-22 65 178 139.5 105 20 1.6 4-19 121 124 340
11/ "    3"
2  
G 156 114.5 73 20 5 4-22 80 190 152.5 127 22 1.6 4-19 124 130 340
2"    21/ "
2  
H 165 127 92 22 5 8-19 65 178 139.5 105 20 1.6 4-19 124 130 360
2"    3" J 165 127 92 22 5 8-19 80 190 152.5 127 22 1.6 4-19 124 130 360
21/ "    4"
2  
J 190 149 105 24 5 8-22 100 229 190.5 157 24 1.6 8-19 143 137 360
3"    4" L 210 168.5 127 28 5 8-22 100 229 190.5 157 24 1.6 8-19 162 156 450
4"    6" N 254 200 157 32 10 8-22 150 279 241.5 216 26 1.6 8-22 210 197 510
6"    8" P 318 270 216 38 10 12-22 200 343 298.5 270 29 1.6 8-22 241 240 740
8"    10" R 381 330 270 42 10 12-25 250 406 362 324 31 1.6 12-25 279 276 810
注:出口法兰为150Lb   Remark:150Lb for outlet flange.
WFA42C600   WFA42C600P   WFA42C600R
Nominal Diameter DN(in)   Dimension (mm)
do D D1 D2 b t Z- d DN' D' D1' D2' b' t' Z- d' L L1 H
3
/4"    1"
D 118 82.5 43 16 7 4-19 25 108 79.5 51 15 1.6 4-15 96 92 290
1"    2" D 124 89 51 19 7 4-19 50 152 120.5 92 18 1.6 4-19 115 105 290
1
1 /2"    2" 
D 156 114.5 73 22 7 4-22 50 152 120.5 92 18 1.6 4-19 152 124 340
1 1
1 /2"  2 /2" 
D 156 114.5 73 22 7 4-22 65 178 139.5 105 20 1.6 4-19 152 124 350
1
1 /2"    3" 
F 156 114.5 73 22 7 4-22 80 190 152.5 127 22 1.6 4-19 152 124 350
1 
2"    2 /2" 
F 165 127 92 26 7 8-19 65 178 139.5 105 20 1.6 4-19 162 154 380
2"    3" F 165 127 92 26 7 8-19 80 190 152.5 127 22 1.6 4-19 162 154 380
1
2 /2"    4" 
H 190 149 100 29 7 8-22 100 229 190.5 157 24 1.6 8-19 143 165 380
3"    4" L 210 168 127 32 10 8-22 100 229 190.5 157 24 1.6 8-19 162 155 460
4"    6" N 273 216 157 38 10 8-25 150 279 241.5 216 26 1.6 8-22 210 200 520
6"    8" P 356 292 216 46 10 12-29 200 343 298.5 270 29 1.6 8-22 241 240 750
注:出口法兰为150Lb。   Remark:150Lb for outlet flange.
WFA42C900   WFA42C900P   WFA42C900R
Nominal Diameter DN(in)   Dimension (mm)
do D D1 D2 b t Z- d DN' D' D1' D2' b' t' Z- d' L L1 H
1
1 /2"    2" 
F 178 123.8 73 32 10 4-29 50 152 120.5 92 18 1.6 4-19 115 124 360
2"    3" H 216 165.1 92 38 10 8-25 80 190 152.5 127 22 1.6 4-19 162 154 390
3"    4" J 241 190.5 127 38 10 8-25 100 229 190.5 157 24 1.6 8-19 181 184 480
4"    6" K 292 234.9 157 44 12 8-32 150 279 241.5 216 26 1.6 8-22 222 197 540
注:出口法兰为150Lb。   Remark:150Lb for outlet flange.
WFA42C1500   WFA42C1500P   WFA42C1500R
Nominal Diameter DN(in)   Dimension (mm)
do D D1 D2 b t Z- d DN' D' D1' D2' b' t' Z- d' L L1 H
3
/4"    1"
D 130 88.9 43 20 10 4-22 25 124 89 51 18 1.6 4-19 120 136 310
1
1 /2"    2" 
D 178 123.8 73 26 12 4-28 50 165 127 92 22 1.6 8-19 140 105 360
11/"  21/ "
2 2 
F 178 123.8 73 26 12 4-28 65 190 149 105 24 1.6 8-22 152 124 360
2"    3" G 216 165.1 92 32 15 8-25 80 210 168.5 127 28 1.6 8-22 162 154 380
3"    4" J 267 203.2 127 42 14 8-32 100 254 200 157 32 1.6 8-22 181 184 490
注:出口法兰为300Lb。   Remark:300Lb for outlet flange.
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