止回阀

Butterfly valve, check valve, rubber valve, high-performance corrosion-resistant butterfly valve, stainless steel sealed Vice flanged butterfly valve, filter and other products have been exported!

蝶阀，止回阀，橡胶闸阀，高性能耐腐蚀蝶阀，不锈钢密封副法兰蝶阀，过滤器等产品已批量出口！

A shutoff and check valve must be installed in the water supply line "G".

在供水管道"G"的位置必须安装一个关断阀和一个止回阀。

A shutoff and check valve must be installed in the water supply line "E".

在供水管道"E"的位置必须安装一个关断阀和一个止回阀。

Piston-type check valve: valve valve slide along the centerline of the valve body.

活塞式止回阀：阀瓣沿着阀体中心线滑动的阀门。

Pressure reducing valves with built-in bypass check valves and strainer will be acceptable.

配置内置旁路止回阀和过滤器的减压阀是可接受的。

Water Pressure Reducing Valves with built-in bypass check valves and integral strainer will be acceptable.

配置内置旁路止回阀和整体过滤器的减压阀是可接受的。

"Valve Body, Cover, Tailpiece and control Stop shall be in conformance with aSTM alloy Classification for Semi-Red Brass."

阀体、阀盖、附属件和控制止回阀均符合美国材料试验协会aSTM的半红铜合金分类标准。

Type YZF duck-billed valve, also be called "rubber flexible check-valve", it has function similar to tide gate, flapper gate but its working principle and structure is different, its mounting pattern is generally classed to pipe hoop form and flange form( flange form is generally used in case that latus rectum is larger than DN800, otherwise pipe hoop form is used).

YZF 型鸭嘴阀，又称&橡胶柔性止回阀&，与潮门，拍门功用相似，但工作原理和结构不同，其安装形式一般分为管箍式和法兰式（法兰式一般大于通径 DN800，管箍式一般小于通径 DN800），本体材质为橡胶，可广泛用于排水管出口，防止水流倒灌，造成事故。

The company mainly produces chemical process pumps, high pressure reciprocating pump, piston metering pumps, hydraulic diaphragm metering pumps, mechanical diaphragm metering pumps, gear pumps, meshing, the meshing gear pumps, small flow pump, single screw pump, double-headed Screw pump, three screw pump, shielding pump, magnetic pumps, liquid pumps, boiler feed water pump, steam reciprocating pump, fluorine plastic pump, slurry pumps, water treatment and medicine, environmental protection equipment, industrial pumps accessories, annex Buffer, back-pressure valve, filter, check valves, safety valves, instrumentation, and other on-line

公司主要生产化工流程泵、往复式高压泵、柱塞计量泵、液压隔膜计量泵、机械隔膜计量泵、内啮合齿轮泵、外啮合齿轮泵、小流量离心泵、单螺杆泵、双头螺杆泵、三头螺杆泵、屏蔽泵、磁力泵、液下泵、锅炉给水泵、蒸汽往复泵、氟塑料泵、渣浆泵、水处理加药系统、环保设备、工业泵配件、附件缓冲器、背压阀、过滤器、止回阀、安全阀、在线检测仪表等

If the boiler check valve hasn't be shut, then must prevent steam and water back to the boiler . With the effect of tgravity, check valve and damper piston can immediately get airproof and the steam and water won't back to the boiler even in an atomosphere of low pressure.

如果锅炉没有关闭截止止回阀，则必须防止回流到锅炉上，阀瓣压铁和缓冲活塞，在重力的作用下，能够迅速实现密封，使得蒸汽和冷凝水即使在低压下也不会回流到锅炉里。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了