◆執行標準
|
產品規范 |
設計規范 |
結構長度 |
連接法蘭 |
試驗與檢驗 |
壓力-溫度 |
|
JB/T8937 |
JB/T8937 |
JB/T79.1 GB/T9113 HG/T20592 |
JB/T 9092 GB/T13927 |
GB/T 12224 |
◆性能規范
|
型號 |
公稱壓力 |
試驗壓力(MPa) |
適用溫度 |
適用介質 |
|
|
體 |
密封 |
||||
|
H71H-16Q |
1.6 |
2.4 |
1.76 |
^235^ |
水、蒸氣、油品等 |
|
H71H-25Q |
2.5 |
3.75 |
2.75 |
^235^ |
水、蒸氣、油品等 |
|
H71W-25I |
2.5 |
3.75 |
2.75 |
^235t |
水、蒸氣、油品等 |
|
H71W-25P |
2.5 |
3.75 |
2.75 |
^235^ |
硝酸等腐蝕介質 |
|
H71W-40I |
4.0 |
6.0 |
4.4 |
^23513 |
水、蒸氣、油品等 |
|
H71W-40P |
4.0 |
6.0 |
4.4 |
忘 235t： |
硝酸等腐蝕介質 |
◆主要零件材料
|
型號 |
閥體 |
閥瓣 |
彈簧 |
|
H71H-16Q/H71H-25Q |
QT400-15 |
25 |
50CrVA |
|
H71W-25I/H71W-40I |
15CrMo |
15CrMo |
1Cr18Ni9 |
|
H71W-25P/H71W-40P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
◆主要外形連接尺寸
|
DN（mm） |
L |
D |
WT(kg) |
||
|
1.6MPa |
2.5MPa |
4.0MPa |
|||
|
H71H-16C H71H-25C H71H-40C H71W-16P/R/PL/RL H71W-25P/R/PL/RL H71W-40P/R/PURL |
|||||
|
15 |
25 |
48 |
48 |
48 |
0.3 |
|
20 |
31.5 |
58 |
58 |
58 |
0.5 |
|
25 |
35.5 |
68 |
68 |
68 |
0.8 |
|
32 |
40 |
80 |
80 |
80 |
1.3 |
|
40 |
45 |
90 |
90 |
90 |
1.6 |
|
50 |
56 |
105 |
105 |
105 |
2.3 |
|
65 |
63 |
125 |
125 |
125 |
3.3 |
|
80 |
71 |
140 |
140 |
140 |
4.4 |
|
100 |
80 |
160 |
165 |
165 |
5.6 |
|
125 |
110 |
190 |
195 |
195 |
9.2 |
|
150 |
125 |
215 |
225 |
225 |
12.5 |
|
200 |
160 |
270 |
285 |
290 |
16.5 |
|
250 |
200 |
330 |
340 |
350 |
20 |
|
300 |
250 |
385 |
400 |
415 |
27 |
