氨用截止阀 J41B-16P中型

两片式锻钢高压球阀 2PC high-pressure ball valve Q11F-300/900LB A105

明杆单向密封手动刀闸阀 Unidirectional Knife Gate Valve PZ43X/H-10C/P/R

二片式电动球阀G1螺纹 2PC electronic ball valve Q911F-16/40

全焊接缩径球阀Q61HF-40K CF8球 固定手柄 KIS标准

机械部法兰高平台三通球阀 JB flange high-platform tee ball valve Q44-Q45F-16

二片式德标球阀G1螺纹 DIN 2PC ball valve Q11F-40/160 WCB

铸钢手柄三通球阀 cast steel handle tee ball valve Q44F/Q45F-20C

两片式不锈钢高压球阀 2PC high-pressure ball valve Q11F-300/900LB stainless steel

全焊接缩径球阀Q61HF-20K CF8球 固定手柄 KIS标准

二片式德标球阀G1螺纹 DIN 2PC ball valve Q11F-40/160 CF8

不锈钢手动三通球阀 stainless steel handle tee ball valve Q44F/Q45F-20