用途

可用在清水、污水、海水介质的供排水管道上，即能防止介质倒流，又能有效地限制破坏性水锤，保证管线的安全使用。

特点:

1、结构新颖，体积小，重量轻。

2、密封可靠，启闭平稳，耐磨损，使用寿命长。

3、比老式止回阀流阻小，有明显的节能效果。

性能参数Performance Date

公称压力（Mpa）nomimal pressure 1.0

试验压力（Mpa）testing pressure 壳体Body 1.5

密封Sealed 1.1

适用介质suitable medium 水、油等water、oil、etc.

介质温度medium temperature ≤150

Usage:

They are used for pipe of transporting water with such

medium as water sewage and seawater. It can avoid

media folwing bacdward and prevent damaging water

hammer.guarantee the safety the safety using of pipes.

Features

1.The products new structure.small and light weight.

2.Reliable ealed,endurable open-close.erar

-resisting.long life.

3. With less flowing resistance than old check valve and obvious energy-saving effects.

主要零件材质 Materials of main parts

零件名称Part name 阀体Body 阀轴Stem 阀板Disc

材质Maerialquality 铸铁、碳钢Grey Cast Iron,Csrbon steel 不锈钢StaintessStell 球铁、不锈钢Ductile cast ironStaintess steel

注：密封材料：丁腈、乙丙

Note:sealing materias:BUNA,EPDM