The RP970A is a direct acting, proportional relay suitable for use in HVAC systems to increase the capacity of a branchline signal to a pneumatic valve or damper operator. The RP970A provides a 1:1 pressure ratio. It can also transmit the lower of 2 pressures.
Branch Line Pressure range 0 ... 124 kPa
Max. safe air pressure 205 kPa
Air connection barb for 5/32" or 4 mm O.D. plastic tubing