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防饮用水回流污染的装置.带大气压力孔和移动元件的管阻流器DN10至DN 20. B型D系列
Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B.
参考页数：18P.;A4
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防污止回阀.包括DN 6至DN 250.E系列A、B、C、D型
Anti-pollution check valves - DN 6 to DN 250 inclusive - Familiy E, type A, B, C and D.
参考页数：31P.;A4
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建筑物水管阀门.B级非控制非止回动阀.一般技术规范
Valves and taps for water supply in buildings. Non controllable check valves class B. General technical specifications.
参考页数：8P.;A4
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建筑物水管阀门.带法兰可调EA止回阀.通用技术规范
Valves and taps for water supply in buldings. Controllable check valves ea, with flanges. General technical specifications.
参考页数：18P.;A4
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爆炸阻隔瓣阀
Explosion isolation flap valves
参考页数：19P.;A4
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消防设施用止回阀
UL Standard for Safety Check Valves for Fire-Protection Service (Tenth Edition; Reprint with revisions through and including March 15@ 2018)
参考页数：30P.;A4
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止回阀 耐火试验
Fire type-testing requirement for check valves
价格：￥0.00
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氨用截止阀和升降式止回阀
Globe valves for ammonia and lift check valves
价格：￥0.00
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轴流式止回阀
Axial flow check valve
价格：￥0.00
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石油、化工及相关工业用的钢制旋启式止回阀
Steel swing check valve for petroleum,petrochemical and allied industries
价格：￥0.00
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