Commonly the solenoid valve is marked With all the route of fluid, and it cannot be mounted reversely. Solenoid valves are rapidly to close and open, and are usually Employed in modest diameter pipelines. ขั้นตอนการใช้เว็บไซต์ คู่มือการใช้เว็บไซต์ The solenoid valves are divided into two types: Generally open up (the valve shut https://pako.co.th/product/diaphragm-seal-octa-ds-upvc