1、ZSW type electromagnetically operated valve of double way double action direct membrane

2、Turn on with electrical supply

3、Work can be available under without Voltage gap

4、It's better to fixed on horizontal pipe to keep long time service.

It's not fitable for below liquid condition：

1、It's liquid at high temperature, and become solid at cooling status

2、decay gas,liquid

3、mucosity high than 20CST