止回阀

This will allow the check arm to move freely, enabling you to inspect the clapper face and check seat.

这将使得止回阀臂能够自由移开，从而能够检查阀瓣面和止回阀阀座。

Duckbill valve installation: 1, straight-through lift-type check valve should be installed in horizontal pipe on the road, vertical lift check valve and bottom valve is usually installed in a vertical pipe on the road, and the bottom-up flow of media.

一、鸭嘴阀的安装使用： 1、直通式升降式止回阀应安装于水平管路上，立式升降式止回阀和底阀一般安装在垂直管路上，并且介质自下而上流动。

Valve types of production have, gate valve, globe valve, butterfly valve, check valve, ball valve, relief valve, regulating valve, safety valve, valve, positioning devices, traps, plug valves, solenoid valves, sewage valve , cylinder valve, vacuum valve, shut-off valves, multi-use valve, pipe valve folder, instrument valve at the end of valve, gas valve, control valve, slurry valve, slurry valve, balance valve, needle valve, three-way valve,÷·§, slagging valves, mud valves, breathing valve, water valve, dumping ash valves, slurry valves slag, power station valves,·úvalve, discharge valve, floating ball valve, control valve, ceramic valve, flashboard valve, insulation valve, valve Venetian blind plate valve, slurry valve, the hydrogen valve, plunger valve, suction valve, reversing valve, electric valve, intake valve, copper valve, electric head, filters, plastic valves - Pai valves, hydraulic valves, knife gate valve,·§, pneumatic valves, proportional valves, Check Valves, Angle Valves, water valves, special valves, special valves, valve imports, health valves, American Standard Valve , glass steel valves, valve together, forged steel valves, hydraulic control valves, stainless steel valves, corrosion-resistant valves, ventilation valves, level gauge, etc., and in accordance with the special requirements of users smelting and manufacturing.

生产的阀门种类有，闸阀，截止阀，蝶阀，止回阀，球阀，减压阀，调节阀，安全阀，隔膜阀，定位器，疏水阀，旋塞阀，电磁阀，排污阀，气瓶阀，真空阀，切断阀，多用阀，管夹阀，仪表阀底阀，燃气阀，控制阀，浆液阀，浆料阀，平衡阀，针型阀，三通阀，调压阀，排渣阀，排泥阀，呼吸阀，水封阀，卸灰阀，浆渣阀，电站阀门，衬氟阀，放料阀，浮球阀，自控阀，陶瓷阀，插板阀，保温阀，百叶阀，盲板阀，泥浆阀，氢气阀，柱塞阀，吸气阀，换向阀，电动阀门，进气阀，铜阀，电动头，过滤器，塑料阀门-排气阀，液压阀，刀闸阀，瓶阀，气动阀门，比例阀，单向阀，角阀，止水阀，专用阀，特殊阀，进口阀，卫生阀门，美标阀门，玻璃钢阀门，阀门合，锻钢阀门，水力控制阀，不锈钢阀门，耐腐蚀阀门，通风阀门，液位计等，并可根据用户特殊要求冶炼和制造。

Non-return valve which belongs to this type of valve, which includes Swing Check Valve Check Valve and the take-off and landing.

其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。

This is especially true with slow response valves such as swing and titling disc check valves.

有些反应缓慢的阀门，如旋启式止回阀和翻转式阀瓣止回阀，经常会因此而损坏。

Municipal drinking water enters from the first level check valve, passes through drainage device, second level check valve, to supply water to the water downstream, part of medium enter the lower cavity of diaphragm of drainage device, to close the valve flap of drainage device.

市政饮用水从第一级止回阀进入，经过排污器、二级止回阀，向下游供水，一部分介质由导管进入排污器膜片下腔，使排污器阀瓣关闭。

Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.

其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。

Piston-type check valve: valve within the valve seat around the valve pin rotation.

活塞式止回阀：阀瓣围绕阀座内的销轴旋转的止回阀。

The most important are as follows: Detection of type: valve stem seal leakage test and test; water valve tightness test; switch tightness test; the take-off safety valve Test; Detection Object: valve, the cut-off valve , safety valve, throttle valve, check valve, swing check valve, ball valve, regulating valve and other hollow pump body, valve body and housing, etc.; way valve connection: flange connection, threaded connection, welding connection; detection medium.

最重要的有以下几种：检测类型：阀门密封性试验及阀杆泄漏性试验；水中阀体密封性试验；开关密封性试验；安全阀的起跳值试验；检测对象：闸阀、截止阀、安全阀、节流阀、止回阀、摆动式逆止阀、球阀、调节阀和其他中空的泵体、阀体和壳体等；阀门联接方式：法兰联接、螺纹连接、焊接联接；检测介质。

Compression-type valve: This valve is used as boiler feed water and steam off with a valve, it has a lift check valve and stop valve or angle valve integrated function.

压紧式止回阀：这种阀门是做为锅炉给水和蒸汽切断用阀，它具有升降式止回阀和截止阀或角阀的综合机能。

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