R board connection and pipe connection. It has two types which is two-position five-way or three-position five-way. It can directly control single-acting and double-acting pneumatic actuators without any adapter plate assistance and is equipped with a safe and reliable manual device on the pilot. This is a real multi-function solenoid valve.
151 Series Solenoid Valve Explosion-proof type - Zorgon (Zhejiang) Automation Technology Co.,Ltd. (cnzorgon.com)
www.cnzorgon.com/product/151-series-sole