碳钢焊颈法兰

WN 16MnDⅢ 14" x 10" x 300LB x SCH80 凹槽

WN RF 16MnⅢ 2"x 600LB x SCH160 详规范

WN RF 16MnⅢ 2"x 600LB x SCH160 详规范

WN RF 16MnⅢ 2"x 150LB x SCH160 详规范

WN RF 16MnⅢ 3"x 600LB x SCH160 详规范

WN RF 16MnⅢ 4"x 600LB x SCH160 详规范

WN RF 16MnⅢ 4"x 600LB x SCH160 详规范

WN RF 16MnⅡ 36" x 150LB x 16mmt SERIES A MSS

WN RF 16MnⅡ 42" x 150LB x 28mmt SERIES A MSS

WN RF 16MnⅡ 30" x 150LB x 22mmt SERIES A MSS

WN RF 16MnⅢ 30" x 300LB x 20mmt SERIES A MSS

WN RF 16MnⅡ 30" x 150LB x 22mmt SERIES A MSS

WN RF 16Mn Ⅱ 1-1/2" x 150LB x SCH160

WN RF 16Mn Ⅱ 1-1/2" x 150LB x SCH160

WN RF 16Mn Ⅱ 1-1/2" x 150LB x SCH160

WN RF 16Mn Ⅱ 1-1/2" x 150LB x SCH160

WN RF 16MnⅡ DN750 x 300LB x 24mmt SERIES B(API605)

WN RFSF 16MnⅢ DN25 x PN16 免车迫紧沟

WN RF 16Mn Ⅱ 1-1/2" x 150LB x SCH160

WN RF 16Mn Ⅱ 1-1/2" x 150LB x SCH160

WN RF 16MnⅡ 3/4"x 150LB x SCH160

WN RF 16MnⅡ 6"x 150LB x SCH40

WN RFSF 16MnⅡ 3/4" x 300LB x SCH160(免车迫紧沟)

WN G 16MnⅡ 16" x 300LB x 10mmt (免车迫紧沟)

WN 大凹LG 16MnⅢ 6“ x 300LB x 8mmt (LARGE GROOVE)

WN 大凹LG 16MnⅢ 6“ x 300LB x 8mmt (LARGE GROOVE)

WN 16MnⅢ 凸舌 4" x 300LB x SCH80 附规范

WN RFSF 16MnⅡ 3" x 300LB x SCH160 (免车迫紧沟)

WN RFSF 16MnⅡ 1" x 150LB x SCH160 (免车迫紧沟)

WN RFSF 16MnⅡ 4" x 150LB x SCH160 (免车迫紧沟)

WN RFSF 16MnⅡ 6" x 150LB x SCH80 (免车迫紧沟)

WN RFSF 16MnⅡ 1" x 150LB x SCH160 (免车迫紧沟)