自密封升降式止回閥標(biāo)準(zhǔn)材質(zhì)細(xì)表
NPS | 1/2" | 3/4" | 1" | 1/4" | 11/2" | 2" | |
L | 900LB~1500LB | 140 | 140 | 140 | 178 | 178 | 216 |
2500LB | 186 | 186 | 186 | 232 | 232 | 279 | |
H | 117 | 117 | 117 | 152 | 152 | 195 | |
重量 | 900LB~1500L | 7.5 | 7.0 | 6.8 | 18.5 | 18.1 | 20.3 |
2500LB | 9.0 | 7.6 | 8.4 | 19.5 | 20.1 | 21.8 |