雙聯彈簧式安全閥A38Y-16C適用于工作溫度≤350℃的蒸汽、水等介質的設備和管路上。作為超壓保護裝置。連接法蘭標準按JB/T......94的系列1A38Y、A43H、A37H型雙雙聯彈簧式安全閥A38Y-16C 彈簧雙聯式安全閥A38Y-16C聯安全閥是在Y型接頭上裝設兩個同樣規格的A48Y或A47H型安全閥而構成,其公稱通徑系列指Y型接頭進口通徑,其組合情況如下表:
 
|   | 
  | 
A38Y型 
 | 
相應的A48Y型 
 | 
 
50 
 | 
32×2 
 | 
 
80 
 | 
50×2 
 | 
 
100 
 | 
65×2 
 | 
 
150 
 | 
100×2 
 | 
 
 
 | 
A43Y型 
 | 
相應的A47Y型 
 | 
 
50 
 | 
32×2 
 | 
 
80 
 | 
50×2 
 | 
 
100 
 | 
80×2 
 | 
 
125 
 | 
100×2 
 | 
 
150 
 | 
125×2 
 | 
 
 
 | 
A37Y型 
 | 
相應的A47Y型 
 | 
 
50 
 | 
32×2 
 | 
 
80 
 | 
65×2 
 | 
 
100 
 | 
80×2 
 | 
 
125 
 | 
100×2 
 | 
 
150 
 | 
125×2 
 | 
 
 
 | 
 
 
 | 
■ 雙聯彈簧式安全閥A38Y-16C外形尺寸和連接尺寸
型號 
 | 
公稱通徑 
 | 
do 
 | 
D 
 | 
K 
 | 
g 
 | 
g1 
 | 
b 
 | 
f 
 | 
f1 
 | 
Z-?d 
 | 
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 
 | 
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