高溫高壓安全閥 
【使用范圍】
  本閥門適用于工作溫度“C型”≤425℃;“I型”≤500℃;“V型”≤500℃;的蒸汽等介質(zhì)設(shè)備或管路上,作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T……94系列1、系列2。
YFA48Y-40 YFA48Y-64 YFA48SB-64 YFA48Y-100 YFA48SB-100 YFA48Y-160
YFA48SB-160 YFA48Y-16I YFA48Y-40I 
YFA48Y-64I YFA48SB-64 YFA48Y-100I YFA48SB-100I YFA48SB-160I 
YFA48Y-16V YFA48Y-40V YFA48SH-40 YFA48Y-64V YFA48SB-64V 
YFA48Y-100V YFA48SB-100V YFA48TH-100 YFA48SB-160V
【主要零部件材料】
| NO. | 
零件名稱 | 
C型材料 | 
I型材料 | 
V型材料 | 
| 1 | 
閥體 | 
WCB | 
ZG1Cr5Mo | 
ZG15Cr1Mo1V | 
| 2 | 
閥座 | 
2Cr13 | 
1Cr18Ni9Ti | 
12Cr1MoVA | 
| 3 | 
調(diào)節(jié)圈 | 
2Cr13 | 
1Cr18Ni9Ti | 
1Cr18Ni9Ti | 
| 4 | 
閥瓣 | 
2Cr13 | 
17-4PH | 
17-7PH | 
| 5 | 
導(dǎo)向套 | 
2Cr13 | 
1Cr18Ni9Ti | 
1Cr18Ni9Ti | 
| 6 | 
散熱器 | 
ZG230-450 | 
ZG230-450 | 
ZG230-450 | 
| 7 | 
閥蓋 | 
ZG230-450 | 
ZG230-450 | 
ZG230-450 | 
| 8 | 
彈簧 | 
50CrVA | 
50CrVA | 
50CrVA | 
【主要連接尺寸】
| 型號(hào) | 
公稱 通徑 | 
do | 
D | 
K | 
g | 
g1 | 
b | 
f | 
f1 | 
Z-ød | 
DN | 
D1 | 
K1 | 
g3 | 
g2 | 
b1 | 
f | 
f1 | 
z1-ød1 | 
L | 
L1 | 
≈H | 
YFA48Y-16C  YFA48Y-16I YFA48Y-16V | 
40 | 
25 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
50 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
120 | 
115 | 
540 | 
| 50 | 
32 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
65 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
135 | 
120 | 
618 | 
| 65 | 
40 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
80 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
160 | 
140 | 
710 | 
| 80 | 
50 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
100 | 
220 | 
180 | 
  | 
155 | 
22 | 
3 | 
  | 
8-18 | 
160 | 
150 | 
730 | 
| 100 | 
65 | 
220 | 
180 | 
  | 
155 | 
20 | 
3 | 
  | 
8-18 | 
150 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
225 | 
175 | 
892 | 
| 150 | 
100 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
200 | 
340 | 
295 | 
  | 
265 | 
26 | 
3 | 
  | 
12-23 | 
240 | 
235 | 
1135 | 
| 200 | 
125 | 
340 | 
295 | 
  | 
265 | 
26 | 
3 | 
  | 
12-23 | 
250 | 
405 | 
355 | 
  | 
320 | 
30 | 
3 | 
  | 
12-26 | 
290 | 
210 | 
1135 | 
YFA48Y-40  YFA48Y-40I YFA48Y-40V | 
25 | 
16 | 
115 | 
85 | 
58 | 
65 | 
16 | 
2 | 
4 | 
4-14 | 
32 | 
140 | 
100 | 
  | 
78 | 
18 | 
2 | 
  | 
4-18 | 
110 | 
95 | 
429 | 
| 32 | 
20 | 
140 | 
100 | 
66 | 
78 | 
18 | 
2 | 
4 | 
4-18 | 
40 | 
150 | 
110 | 
  | 
85 | 
18 | 
3 | 
  | 
4-18 | 
115 | 
100 | 
421 | 
| 40 | 
25 | 
150 | 
110 | 
76 | 
85 | 
18 | 
3 | 
4 | 
4-18 | 
50 | 
165 | 
125 | 
  | 
100 | 
20 | 
3 | 
  | 
4-18 | 
120 | 
115 | 
540 | 
| 50 | 
32 | 
165 | 
125 | 
88 | 
100 | 
20 | 
3 | 
4 | 
4-18 | 
65 | 
185 | 
145 | 
  | 
120 | 
20 | 
3 | 
  | 
4-18 | 
135 | 
120 | 
618 | 
| 65 | 
40 | 
185 | 
145 | 
110 | 
120 | 
22 | 
3 | 
4 | 
8-18 | 
80 | 
200 | 
160 | 
  | 
135 | 
20 | 
3 | 
  | 
8-18 | 
160 | 
140 | 
710 | 
| 80 | 
50 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
100 | 
220 | 
180 | 
  | 
155 | 
22 | 
3 | 
  | 
8-18 | 
160 | 
150 | 
730 | 
| 100 | 
65 | 
235 | 
190 | 
150 | 
160 | 
24 | 
3 | 
4.5 | 
8-23 | 
150 | 
285 | 
240 | 
  | 
210 | 
24 | 
3 | 
  | 
8-23 | 
225 | 
175 | 
892 | 
| 150 | 
100 | 
300 | 
250 | 
204 | 
218 | 
30 | 
3 | 
4.5 | 
8-26 | 
200 | 
340 | 
295 | 
  | 
265 | 
26 | 
3 | 
  | 
12-23 | 
240 | 
235 | 
1135 | 
| 200 | 
125 | 
375 | 
320 | 
260 | 
282 | 
38 | 
3 | 
4.5 | 
12-30 | 
250 | 
405 | 
355 | 
  | 
320 | 
30 | 
3 | 
  | 
12-26 | 
290 | 
310 | 
1135 | 
YFA48Y-64 YFA48SB-64 YFA48Y-64I  YFA48SB-64I  YFA48Y-64V YFA48SB-64V | 
25 | 
16 | 
140 | 
100 | 
58 | 
78 | 
22 | 
2 | 
4 | 
4-18 | 
32 | 
140 | 
100 | 
66 | 
78 | 
18 | 
2 | 
4 | 
4-18 | 
110 | 
100 | 
429 | 
| 32 | 
20 | 
155 | 
110 | 
66 | 
82 | 
24 | 
2 | 
4 | 
4-23 | 
40 | 
150 | 
110 | 
76 | 
85 | 
18 | 
3 | 
4 | 
4-18 | 
130 | 
110 | 
421 | 
| 40 | 
25 | 
170 | 
125 | 
76 | 
95 | 
24 | 
3 | 
4 | 
4-23 | 
50 | 
165 | 
125 | 
88 | 
100 | 
20 | 
3 | 
4 | 
4-18 | 
135 | 
120 | 
540 | 
| 50 | 
32 | 
180 | 
135 | 
88 | 
105 | 
26 | 
3 | 
4 | 
4-23 | 
65 | 
185 | 
145 | 
110 | 
120 | 
22 | 
3 | 
4 | 
8-18 | 
160 | 
130 | 
618 | 
| 50 | 
32 | 
180 | 
135 | 
88 | 
105 | 
26 | 
3 | 
4 | 
4-23 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
160 | 
145 | 
710 | 
| 65 | 
40 | 
205 | 
160 | 
110 | 
130 | 
28 | 
3 | 
4 | 
8-23 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
175 | 
160 | 
710 | 
| 80 | 
50 | 
215 | 
170 | 
121 | 
140 | 
30 | 
3 | 
4 | 
8-23 | 
100 | 
235 | 
190 | 
150 | 
160 | 
24 | 
3 | 
4.5 | 
8-23 | 
175 | 
160 | 
730 | 
| 100 | 
65 | 
250 | 
200 | 
150 | 
168 | 
32 | 
3 | 
4.5 | 
8-26 | 
125 | 
270 | 
220 | 
176 | 
188 | 
28 | 
3 | 
4.5 | 
8-25 | 
220 | 
200 | 
800 | 
| 100 | 
65 | 
250 | 
200 | 
150 | 
168 | 
32 | 
3 | 
4.5 | 
8-26 | 
150 | 
300 | 
250 | 
204 | 
218 | 
30 | 
3 | 
4.5 | 
8-26 | 
220 | 
200 | 
892 | 
| 150 | 
100 | 
345 | 
280 | 
204 | 
240 | 
38 | 
3 | 
4.5 | 
8-34 | 
200 | 
375 | 
320 | 
260 | 
282 | 
38 | 
3 | 
4.5 | 
12-30 | 
280 | 
280 | 
1135 | 
| 200 | 
125 | 
405 | 
345 | 
260 | 
300 | 
44 | 
3 | 
4.5 | 
12-36 | 
250 | 
450 | 
385 | 
313 | 
345 | 
42 | 
3 | 
4.5 | 
12-34 | 
300 | 
295 | 
1135 | 
YFA48Y-100 YFA48SB-100 YFA48Y-100I  YFA48SH-100I YFA48Y-100V  YFA48SB-100V | 
25 | 
16 | 
140 | 
100 | 
58 | 
78 | 
24 | 
2 | 
4 | 
4-18 | 
32 | 
140 | 
100 | 
66 | 
78 | 
18 | 
2 | 
4 | 
4-18 | 
110 | 
100 | 
429 | 
| 32 | 
20 | 
155 | 
110 | 
66 | 
82 | 
24 | 
2 | 
4 | 
4-23 | 
40 | 
150 | 
110 | 
76 | 
85 | 
18 | 
3 | 
4 | 
4-18 | 
130 | 
110 | 
421 | 
| 40 | 
25 | 
170 | 
125 | 
76 | 
95 | 
26 | 
3 | 
4 | 
4-23 | 
50 | 
165 | 
125 | 
88 | 
100 | 
20 | 
3 | 
4 | 
4-18 | 
135 | 
120 | 
540 | 
| 50 | 
32 | 
195 | 
145 | 
88 | 
112 | 
28 | 
3 | 
4 | 
4-26 | 
65 | 
185 | 
145 | 
110 | 
120 | 
22 | 
3 | 
4 | 
8-18 | 
160 | 
130 | 
618 | 
| 50 | 
32 | 
195 | 
145 | 
88 | 
112 | 
28 | 
3 | 
4 | 
4-26 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
160 | 
145 | 
710 | 
| 65 | 
32 | 
220 | 
170 | 
110 | 
138 | 
32 | 
3 | 
4 | 
8-26 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4 | 
8-18 | 
175 | 
160 | 
710 | 
| 80 | 
40 | 
230 | 
180 | 
121 | 
148 | 
34 | 
3 | 
4 | 
8-26 | 
100 | 
235 | 
190 | 
150 | 
160 | 
24 | 
3 | 
4.5 | 
8-23 | 
175 | 
160 | 
730 | 
| 100 | 
50 | 
265 | 
210 | 
150 | 
172 | 
38 | 
3 | 
4.5 | 
8-30 | 
125 | 
270 | 
220 | 
176 | 
188 | 
28 | 
3 | 
4.5 | 
8-25 | 
220 | 
200 | 
800 | 
| 100 | 
50 | 
265 | 
210 | 
150 | 
172 | 
38 
 | 3 | 
4.5 | 
8-30 | 
150 | 
300 | 
250 | 
204 | 
218 | 
30 | 
3 | 
4.5 | 
8-26 | 
220 | 
200 | 
892 | 
| 150 | 
80 | 
355 | 
290 | 
204 | 
250 | 
46 | 
3 | 
4.5 | 
12-34 | 
200 | 
375 | 
320 | 
260 | 
282 | 
38 | 
3 | 
4.5 | 
12-30 | 
280 | 
280 | 
1135 | 
| 200 | 
125 | 
430 | 
360 | 
260 | 
312 | 
54 | 
3 | 
4.5 | 
12-36 | 
250 | 
450 | 
385 | 
313 | 
345 | 
42 | 
3 | 
4.5 | 
12-34 | 
300 | 
295 | 
1135 | 
| YFA48SH-40 | 
50 | 
32 | 
160 | 
125 | 
88 | 
105 | 
38 | 
3 | 
4 | 
4-18 | 
80 | 
195 | 
160 | 
/ | 
135 | 
20 | 
3 | 
/ | 
8-18 | 
124 | 
137 | 
525 | 
| YA48TH-100 | 
50 | 
32 | 
195 | 
145 | 
88 | 
112 | 
50 | 
3 | 
4 | 
4-26 | 
80 | 
200 | 
160 | 
121 | 
135 | 
22 | 
3 | 
4.5 | 
8-18 | 
160 | 
145 | 
580 | 
| YFA48SB-160 | 
80 | 
40 | 
260 | 
205 | 
121 | 
168 | 
65 | 
15 | 
4 | 
8-30 | 
150 | 
300 | 
250 | 
204 | 
218 | 
30 | 
3 | 
4.5 | 
8-25 | 
215 | 
210 | 
1175 |