南通式电站截止阀 J61Y-160C J961Y-160C 锅炉高温蒸汽焊接截止阀

J61Y-200 电站截止阀 J61Y-200C 锻打南通式电站蒸汽截止阀

J61Y-250 J961Y-250 锻打A105电站截止阀 南通式电站蒸汽截止阀

J61Y-320 电站截止阀 J961Y-320C 南通式电站蒸汽焊接截止阀

12Cr1MoV南通式电站铬钼钢截止阀 J61Y-250V J61Y-P54 140V 蒸汽截止阀

J61Y-320V J61Y-P54 170V 高温蒸汽铬钼钢南通式电站截止阀

J61Y-200V J61Y-P54 100V 12Cr1MoV铬钼钢电站南通式截止阀 蒸汽截止阀

J961Y-200V J61Y-P57 100V 电站南通式铬钼钢截止阀 电动蒸汽截止阀

南通式电站铬钼钢截止阀 J961Y-250V J61Y-P57 140V 锅炉蒸汽截止阀

J61Y-320V J61Y-P54 170V 高温蒸汽铬钼钢南通式电站截止阀

J61Y-160V J961Y-160V 南通式铬钼钢电站截止阀 蒸汽截止阀

12Cr1MoV铬钼钢电站截止阀 J961Y-250V J61Y-P57 140V 高温蒸汽截止阀

J961Y-320V J61Y-P57 170V 南通式铬钼钢电站截止阀 锅炉蒸汽截止阀

北京式铬钼钢截止阀 J41Y-64I J41Y-64V 锅炉高温蒸汽截止阀

北京式截止阀 J41H-16C J41H-25C J41H-40C 高温蒸汽北京式法兰截止阀

Z45X-16C Z545X-16C Z945X-16C 弹性座暗杆铸钢软密封闸阀 自来水闸阀

J41Y-100I J41Y-100V 铬钼钢 合金钢北京式截止阀 高温蒸汽截止阀

Z41X-10C Z941X-10C 铸钢软密封闸阀 RRHX-10C 明杆弹性座自来水闸阀

J41H-64C J41H-100C 锻打A105材质北京式截止阀 锅炉蒸汽截止阀

Z45X-10C Z945X-10C RVHX-10C 弹性座铸钢软密封闸阀 消防闸阀

自来水 消防水铸钢软密封闸阀 Z41X-16C Z941X-16C RRHX-16C 明杆闸阀