比例式减压阀
Proportional pressure reducing valve

用途
该系列阀门可广泛应用于生产生活给水、消防给水、高层建筑供水等需要减压的管路系统
use
This series of valves can be widely used in production and life water supply, fire water supply, high-rise building water supply and other need to decompress the pipeline system
特点
体积小、结构简单,动作可靠;既可减动压也可减静压;减压比准确。
peculiarity
Small size, simple structure, reliable action; Both dynamic pressure and static pressure can be reduced; Pressure reduction ratio is accurate.
主要零件材料
阀体:球墨铸铁
活塞:铜合金或不锈钢
密封圈、密封垫:橡胶
Main parts material
Valve body: ductile iron
Piston: copper alloy or stainless steel
Seal ring, gasket: rubber
性能规范
公称压力:PN 16
公称通径:DN15~200mm
减压比:4:1、3:1、2:1或按用户要求提供
适用温度:≤80℃
适用介质:清水
法兰尺寸执行标准:GB17241.6
连接方式:法兰/内螺纹
Performance specification
Nominal pressure: PN 16
Nominal diameter: DN15~200mm
Pressure reduction ratio: 4:1, 3:1, 2:1 or according to user requirements
Applicable temperature: ≤80℃
Applicable medium: water
Flange size implementation standard: GB17241.6
Connection mode: flange/internal thread
主要外形尺寸
Main overall dimensions
