球閥Q341W-16R/25R/40R

球閥Q341H-16/25/40

球閥Q341F-16/25/40

Q71F-150LB美標球閥

球閥Q47H/Y-16

美標球閥Q47F-150LB

球閥Q44H/F-16

球閥Q41H-16/25/40

球閥Q41F-16/25/40

球閥Q11F-150LB/300LB/600LB

真空球閥NKQ41F/H-16

YJ41H/YW-150LB美標截止閥

YJ41W-16T/25T/40T截止閥

截止閥YJ41W-16P/25P/40P

KJ41F-16P/25P/40P截止閥

美標截止閥JY41W-150/300/600LB

截止閥JY41W-16T/25T/40T

截止閥JY41W-16P/25P/40P

截止閥JK41F-16P/25P/40P

電動截止閥J941W-16P/25P/40P