BRV2S直接作用式减压阀

英国斯派莎克BRV2S直接作用式减压阀由主阀和导阀两部分组成。 主阀主要由阀座、主阀盘、活塞、缸套、弹簧等零件组成。导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。通过调节调节弹簧压力设定出口压力，利用膜片传感出口压力变化，通过导阀启闭驱动活塞调节主阀节流部位过流面积的大小，实现减压稳压功能。本产品主要用于蒸汽管路，起减压稳压作用。
Spirax Sarco SpiraxSarco direct acting pressure reducing valve BRV2 from the main valve and pilot valve two parts. 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 the outlet 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 the parts to achieve the pressure regulator function. This product is mainly used for steam piping, from the vacuum regulator role.
减压阀结构紧凑，重量轻，安装简便，易于调试和设定，维修方便。斯派莎克BRV71和BRV73为球墨铸铁直接作用式减压阀，BRV71为螺纹连接，BRV73为法兰连接，主要用于蒸汽系统。结构紧凑，设计简单，表面高质量的无电极涂镍处理。