????1500LB???
???????
????1500LB???????????????????????????ò????????????????????????ANSI B16.34??????????????API6D??API600???.??????????С??????á??????????????(???)??????????????????????????????????????????????????Ρ?????????????????????????Ш??????????????NPS10"???????150????????????????NPS6"???????600~2500???????????????????????????й?????У????????ɡ??????????????????????????????????????????????????????????????????
???????Z41Y
?????????NPS1/2"~1(1/2)"
?????????Class150~600Lb
????????????????????塢?????????????
???????????????????в庸???????????????
?????????ANSIB16.34??API600??API602
??????磺ANSIB16.5
???????ANSIB1.20.1
???????ANSIB16.10
????????磺ANSIB16.11
?????????飺API598
