適用于工作溫度≤350℃的蒸汽、水等介質(zhì)的設(shè)備和管路上。作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T......94的系列1A38Y、A43H、A37H型雙聯(lián)安全閥是在Y型接頭上裝設(shè)兩個(gè)同樣規(guī)格的A48Y或A47H型安全閥而構(gòu)成,其公稱通徑系列指Y型接頭進(jìn)口通徑,其組合情況如下表:
A38Y型
|
相應(yīng)的A48Y型
|
50 | 32×2 |
80 | 50×2 |
100 | 65×2 |
150 | 100×2 |
A43Y型
|
相應(yīng)的A47Y型
|
50 | 32×2 |
80 | 50×2 |
100 | 80×2 |
125 | 100×2 |
150 | 125×2 |
外形尺寸和連接尺寸
型號(hào)
|
公稱通徑 |
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-φd
|
DN’
|
D1
|
K1
|
g2
|
b1
|
f’
|
Z1-?d1
|
L
|
L1
|
L0
|
h
|
H
|
A37H-16C A43H-16C | 50 | 25 | 165 | 125 | 100 | 20 | 3 | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 | ||
80 | 40 | 200 | 160 | 135 | 20 | 3 | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | |||
80 | 50 | 200 | 160 | 135 | 20 | 3 | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | |||
100 | 65 | 220 | 180 | 155 | 22 | 3 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | |||
125 | 80 | 250 | 210 | 185 | 22 | 3 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | |||
150 | 100 | 285 | 240 | 210 | 24 | 3 | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | |||
A37H-25 A43H-25 | 50 | 25 | 165 | 125 | 100 | 20 | 3 | 4-18 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 | ||
80 | 40 | 200 | 160 | 135 | 22 | 3 | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | |||
80 | 50 | 200 | 160 | 135 | 22 | 3 | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | |||
100 | 65 | 230 | 190 | 160 | 24 | 3 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | |||
125 | 80 | 270 | 220 | 188 | 28 | 3 | 8-26 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | |||
150 | 100 | 300 | 250 | 218 | 30 | 3 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | |||
A37H-40 A43H-40 | 50 | 25 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 32 | 140 | 100 | 78 | 16 | 2 | 4-18 | 115 | 110 | 165 | 235 | 547 |
80 | 40 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-18 | 135 | 120 | 190 | 285 | 795 | |
80 | 50 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-18 | 140 | 130 | 205 | 310 | 835 | |
100 | 65 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 135 | 255 | 355 | 890 | |
125 | 80 | 270 | 220 | 188 | 176 | 28 | 3 | 4.5 | 8-26 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 160 | 260 | 410 | 1170 | |
150 | 100 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 190 | 190 | 275 | 430 | 1240 | |
A38Y-16C | 50 | 20 | 165 | 125 | 100 | 20 | 3 | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 | ||
80 | 32 | 200 | 160 | 135 | 20 | 3 | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | |||
100 | 40 | 220 | 180 | 155 | 22 | 3 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | |||
150 | 80 | 285 | 240 | 210 | 24 | 3 | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | |||
A38Y-25 | 50 | 20 | 165 | 125 | 100 | 20 | 3 | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 | ||
80 | 32 | 200 | 160 | 135 | 22 | 3 | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | |||
100 | 40 | 230 | 190 | 160 | 24 | 3 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | |||
150 | 80 | 300 | 250 | 218 | 30 | 3 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 | |||
A38Y-40 | 50 | 20 | 165 | 125 | 100 | 88 | 20 | 3 | 4 | 4-18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-18 | 198 | 100 | 165 | 225 | 636 |
80 | 32 | 200 | 160 | 135 | 121 | 22 | 3 | 4 | 8-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 230 | 120 | 190 | 265 | 817 | |
100 | 40 | 235 | 190 | 160 | 150 | 24 | 3 | 4.5 | 8-23 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 293 | 140 | 265 | 265 | 921 | |
150 | 80 | 300 | 250 | 218 | 204 | 30 | 3 | 4.5 | 8-26 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 320 | 175 | 250 | 420 | 1097 |