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.

一日韩在线的第一页、鴨嘴閥的安裝使用： 1、直通式升降式止回閥應(yīng)安裝于水平管路上超碰公开在线久，立式升降式止回閥和底閥一般安裝在垂直管路上肏擦网站，并且介質(zhì)自下而上流動(dòng)。

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

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Primary check shall be rubber to rubber seated, backed by the secondary check with rubber to metal seating.

第一止回閥應(yīng)該是橡膠對(duì)橡膠密封，并由采用橡膠對(duì)金屬密封的第二止回閥提供支持亚洲一区二区视频观看。

Watts N9-CD features include two independently operating rubber and stainless steel check valves with an atmospheric vent located between the check valves.

美國瓦茨N9-CD特征包括兩個(gè)獨(dú)立的工作橡膠和不銹鋼止回閥国产一级无码中文字幕，在位于止回閥之間配置大氣排氣口。

Lift-type check valve structure improvement Lift Check valves, also known as the end, it can maintain the required suction pump to stop the water Globe Style .

升降式止回閥結(jié)構(gòu)改進(jìn)升降式止回閥又名底閥欧美精品一一色哟哟，它可以保持停泵時(shí)抽吸所需水柱美女黄应用；該閥結(jié)構(gòu)改進(jìn)的特點(diǎn)是在主閥閥瓣與閥體支架間增設(shè)一緩閉副閥。

Lift-type check valve structure improvement Lift Check valves, also known as the end, it can maintain the required suction pump to stop the water Globe Style Silent Check Valves column; the valve structure is characterized by improvements in the main valve between the valve flap and valve stent slow addition of a Vice-valve closed.

升降式止回閥結(jié)構(gòu)改進(jìn)升降式止回閥又名底閥国产h片免费，它可以保持停泵時(shí)抽吸所需水柱99久久精神视频；該閥結(jié)構(gòu)改進(jìn)的特點(diǎn)是在主閥閥瓣與閥體支架間增設(shè)一緩閉副閥。

Lift-type check valve structure improvement Lift Check valves, also known as the end, it can maintain the required suction pump to stop the water Globe Style Silent Check Valvescolumn; the valve structure is characterized by improvements in the main valve between the valve flap and valve stent slow addition of a Vice-valve closed.

升降式止回閥布局改進(jìn)升降式止回閥又名底閥日韩精品一区二区AV免费，它可以連結(jié)停泵時(shí)抽吸所需水柱公婬荡乱婬视频；該閥布局改進(jìn)的特點(diǎn)是在主閥閥瓣與閥體支架間增設(shè)一緩閉副閥。

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

其中止回閥就屬于這種類型的閥門人人操人人在线，它包括旋啟式止回閥和升降式止回閥中文字幕人成乱码熟女免费。

The standard flow channel valve can be used: the United States NIBCO T-580-70 Valve; S-580-70 Valve (2), available to full-flow channel valve indented Path: The United States NIBCO T-585-70 Valve; S-585-70 Valve 2, check valve: Path DN65 valve should be used the following Swing Y-shaped structure, and in accordance with the United States valves and pipe fittings Manufacturers Standardization Society MSS-SP80 standards of manufacture, working pressure 125 lbs class, in line with the United States Society for Testing and Materials Standard Bronze ASTMB62 valve, configuration, Teflon flap valve seat, or seat configuration flexibility of the spring-driven lift-type check valve.

可采用的標(biāo)準(zhǔn)流道閥門：美國尼伯科T-580-70球閥；S-580-70球閥（2）a毛片免费全部播放完整网站、可采用的不縮徑全流道閥門：美國尼伯科T-585-70球閥国产盗摄一区二区三区厕所视频；S-585-70球閥 2、止回閥：通徑DN65以下的止回閥應(yīng)該采用Y形旋啟式結(jié)構(gòu)偷窥盗摄国产在线视频，并按照美國閥門和管件制造商標(biāo)準(zhǔn)化協(xié)會(huì)MSS-SP80標(biāo)準(zhǔn)制造国产黄色对白视频，工作壓力125磅級(jí)，符合美國材料試驗(yàn)協(xié)會(huì)ASTMB62標(biāo)準(zhǔn)的青銅閥體亚洲黄色网站免费观看，配置聚四氟乙烯閥座閥瓣人人摸人人摸人人摸，或配置彈性閥座的彈簧驅(qū)動(dòng)升降式止回閥。

Cut off cut-off valve is mainly used for fluid pathway, including the cut-off valves, gate valves, plug valves, ball valves, butterfly valves, diaphragm valves, control API Cast Steel Valves valves and other folders; The main control valve for regulating fluid pressure, flow, etc., including control valve, throttle, valve and float valve, etc.; Check valve used to prevent reverse flow of fluid; Shunt valve fluid channel for distribution of destination, or two-phase separated, including slide valves, multi-valve, trap, and emptying valves and so on; Safety valve is mainly used for security, to prevent the boiler, pressure vessel or pipeline overpressure due to the damage; Multi-valve is a valve with more than one function, such as the cut-off valve can both start and end back from the role of the role of drying.

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