P74JA differential pressure controller is composed of two pressure accessories with high sensitivity. Once they are changed, the switch mechanism will actuate to control the equipments, like motor driving the valve. Non-fast floating action is operated by switch mechanism thereby the removable joint in common will contact with one joint of accessories or stay among two joints(no contact).

Features
1. Fully-closed PENN switch with SPDT
2. 1/4" bugle pressure pipe is mounted tactile component can make the spot installation easier
3. Direct-read scale: Confirm setpoint quickly
4. Differential pressure set can be adjusted without moving crust