| 品名 | 型号 | 规格 | 压力 | 材质 |
| 锻钢止回阀 | H41W | DN15-100mm | PN1.6-10mpa | 铸钢；不锈钢；球墨铸铁 |
| 序号 | Part Name | CS to ASTM |
AS to ASTM |
SS to ASTM | |
| Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
| 1 | 阀体 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | 阀盖 | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 3 | 阀瓣 | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | 铭牌 | SS | |||
| 5 | 垫片 | 316夹柔性石墨 | 316夹PTFE | ||
| 6 | 螺栓 | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
| 适用介质 | 水、蒸汽、油品等 | 水、蒸汽、油品等 | 硝酸、醋酸等 | ||
| 适用温度 | -29℃～425℃ | -29℃～550℃ | -29℃～180℃ | ||
|
NPS |
1/2" |
3/4" |
1" |
11/4" |
11/2" |
2" |
||
|
L(RF) |
150Lb |
108 |
117 |
127 |
140 |
165 |
203 |
|
|
300Lb |
152 |
178 |
203 |
216 |
229 |
267 |
||
|
600Lb |
165 |
190 |
216 |
229 |
241 |
292 |
||
|
H |
150Lb ～ 300Lb |
61 |
61 |
79 |
95 |
103 |
118 |
|
|
600Lb |
61 |
79 |
95 |
103 |
118 |
135 |
||
|
重量 |
150Lb |
RF |
2.56 |
3.37 |
4.37 |
8.17 |
8.94 |
12.64 |
|
BW |
1.70 |
190 |
2.10 |
5.12 |
5.50 |
1.89 |
||
|
300Lb |
RF |
2.73 |
3.65 |
4.74 |
8.77 |
9.60 |
13.70 |
|
|
BW |
1.90 |
2.10 |
3.00 |
5.12 |
6.60 |
7.85 |
||
|
600Lb |
RF |
3.00 |
4.00 |
5.83 |
9.47 |
10.10 |
15.6 |
|
|
BW |
2.00 |
3.12 |
4.25 |
7.25 |
8.56 |
13.60 |
||
