NK/DSZ41H真空水封闸阀铸钢法兰式/焊接式闸阀

H44H-64C铸钢拍板旋启式法兰止回阀单向阀

Q41F-64C高温高压燃气天然气液化气煤气铸钢法兰球阀

DQ41F-16P液氧液氮液氢304/316不锈钢低温法兰球阀

D343H-16C铸钢多层次硬密封涡轮法兰蝶阀

100X-16P304不锈钢遥控浮球阀 疏水阀

J41H-PN64C高温高压铸钢法兰截止阀

D343W-16P高温蒸汽金属硬密封不锈钢涡轮法兰蝶阀

DJ41W-16P液氧氮/氢不锈钢304低温法兰截止阀

低温焊接不锈钢截止阀-196℃液氧液氮阀门

Z41H/Y-64C高温高压蒸汽导热油铸钢法兰闸阀

H44H-16C铸钢拍板旋启止回阀单向阀