英國(guó)斯派莎克BRV2S直接作用式減壓閥由主閥和導(dǎo)閥兩部分組成。 主閥主要由閥座、主閥盤、活塞、缸套、彈簧等零件組成。導(dǎo)閥主要由閥座、閥瓣、膜片、彈簧、調(diào)節(jié)彈簧等零件組成。通過(guò)調(diào)節(jié)調(diào)節(jié)彈簧壓力設(shè)定出口壓力，利用膜片傳感出口壓力變化，通過(guò)導(dǎo)閥啟閉驅(qū)動(dòng)活塞調(diào)節(jié)主閥節(jié)流部位過(guò)流面積的大小，實(shí)現(xiàn)減壓穩(wěn)壓功能。本產(chǎn)品主要用于蒸汽管路，起減壓穩(wěn)壓作用。

Spirax Sarco SpiraxSarco direct acting pressure reducing valve BRV2 from the main valve and pilot valve twoparts. Mainly by the main valve seat, the main valve plate, piston, cylinder liner, springs and other parts.Mainly by the pilot valve seat, valve, diaphragm, spring, adjusting springs and other parts. By adjusting theoutlet pressure adjusting spring pressure setting, the use of outlet pressure sensing diaphragm, the drive piston through the guide opening and closing the valve adjust the main throttle valve flow area size of theparts to achieve the pressure regulator function. This product is mainly used for steam piping, from thevacuum regulator role.
減壓閥結(jié)構(gòu)緊湊，重量輕，安裝簡(jiǎn)便，易于調(diào)試和設(shè)定，維修方便。斯派莎克BRV71和BRV73為球墨鑄鐵直接作用式減壓閥，BRV71為螺紋連接，BRV73為法蘭連接，主要用于蒸汽系統(tǒng)。結(jié)構(gòu)緊湊，設(shè)計(jì)簡(jiǎn)單，表面高質(zhì)量的無(wú)電極涂鎳處理。與BRV2系列減壓閥相比，BRV71和BRV73內(nèi)有壓力平衡波紋管，可以平衡主閥頭上的壓差。主閥為平面密封，具有自清潔功能。斯派莎克SRV2直接作用式減壓閥，用于蒸汽，壓縮空氣或其它氣體系統(tǒng)。在負(fù)載穩(wěn)定時(shí)，可以準(zhǔn)確的控制下游壓力。SRV2閥體材質(zhì)為316L奧氏體不銹鋼，因而主要應(yīng)用于潔凈蒸汽系統(tǒng)的壓力控制，同時(shí)也可用于其它傳統(tǒng)工業(yè)的蒸汽系統(tǒng)。
Valve compact structure, light weight, easy to install, easy to debug and configure, and easy maintenance.Spirax Sarco BRV71 and BRV73 ductile iron direct-acting valve, BRV71 as threaded connections, BRV73 flange connection, mainly for steam systems. Compact and simple design, the surface quality of the non-coated nickelelectrodes. Compared with BRV2 Series Regulator, BRV71 and BRV73 pressure balanced bellows inside, you canbalance the main valve head pressure. The main valve is flat sealing, with self-cleaning function. SpiraxSarco SRV2 direct acting pressure reducing valve for steam, compressed air or other gas systems. The load is stable, can accurately control the downstream pressure. SRV2 body made of 316L stainless steel, which is mainly used in clean steam pressure control system, but also can be used for other traditional industriessteam system.