ZZYP自力式压力调节阀

特点

用途和适用范围 Feature and application

自力式压力调节阀(以下简称压力阀)是一种无需外来能源而只依靠调介质自身的压力变化进行自动调节压力的节能型产品．具有测量、执行、控制的综合功能。广泛适用于石油、化工、冶金、轻工等工业部门及城市供热、供嗳系统。本产品可用于非腐蚀性(最高温度350℃)的液体、气体和蒸汽等介质的压力控制装置。

Pressure self-regulating valve （herein after referred to as pressure valve）, a energy saving product, regulates pressure automatically without external energy supply. Pressure valve is used for pressure control device of non-corrosive liquid, gas and steam medium etc. that has integrated function of measure, performance and control. Pressure valve finds us in the field of petroleum, chemical industry, metallurgy and light industry and city heating system etc..

结构及工作原理 Structure and working principle

产品结构 Structure

本产品为直接作用型自力式压力调节阀．由阀体、阀座、阀芯部件、阀盖、顶盘、上、下膜盖、膜片、弹簧、调节螺母等零部件所组成。

其具体结构参见图la，图lb、图lc、图ld所示：

Pressure valve is of direct action type, which is composed of body, seat, core parts, bonnet, highest quotation, diaphragm, spring, adjusting nut and upper and bottom diaphragm cover etc..