锻钢自密封截止阀J61Y-3500LB锻钢自密封焊接截止阀J61Y-2500LB锻钢自密封承插焊截止阀J61Y-1500LB锻钢自密封对焊截止阀J61Y-150...

J61W不锈钢焊接截止阀J61H不锈钢对焊截止阀/不锈钢承插焊截止阀J61W-10P-16P-25P-40P-64P-100P不锈钢截止阀/不锈钢304焊接式截...

HG/T20592化工部标准不锈钢截止阀J41W不锈钢法兰截止阀/J41H截止阀/J41Y硬质合金密封截止阀/不锈钢304截止阀J41W不锈钢316L法兰截止阀...

锻钢承插焊截止阀J61H-25P不锈钢焊接截止阀J61Y锻钢对焊截止阀J61W锻不锈钢承插焊截止阀/J61H/Y-150LB-300LB-600LB-900LB...

J11H内螺纹锻钢截止阀J11Y内螺纹A105N锻钢截止阀/高温高压蒸汽导热油A105N截止阀/J11Y高温高压硬质合金密封锻钢截止阀/J11W锻不锈钢截止阀/...

JYU41W铜氧气截止阀JY41W硅黄铜氧气专用截止阀/带旁通氧气专用截止阀/铜氧气管路专用截止阀/铜氧气专用截止阀是根据氧气管网运行特点以及考虑氧气介质的易燃...

JY41W不锈钢氧气截止阀/氧气专用截止阀/氧气专用不锈钢截止阀/不锈钢氧气管路专用截止阀/不锈钢氧气专用截止阀是根据氧气管网运行特点以及考虑氧气介质的易燃易爆...

J41H法兰截止阀J41H碳钢截止阀J41Y铸钢截止阀/钢制截止阀/国标截止阀J41W不锈钢截止阀/铸钢法兰截止阀的启闭件是圆柱形的阀瓣，密封面呈平面或锥面，阀...

J61H-40C焊接截止阀J61H-16C对焊截止阀J61H-25C碳钢截止阀J61Y铸钢截止阀/钢制截止阀/国标截止阀J61W不锈钢截止阀/铸钢承插焊截止阀的...

A105N锻钢截止阀J41H锻钢法兰截止阀J41H-16C-25C-40C-64C-100C高温高压蒸汽导热油A105N截止阀/J41Y高温高压锻钢截止阀/J4...