he Masoneilan Booster Relay BR400 instruments are high capacity volume boosters for applications that require fast stroking speeds using pneumatic actuators. Stable operation over a wide range of actuator sizes can be obtained by adjusting the bypass valve on the booster to modify the dynamic response. The models BR200 and BR400 are equally suitable for use on diaphragm or piston actuators.

Features:

• Short stroking times with consistently stable operation for use on high-volume actuators or on very demanding stroking time

control valve applications

• Flow characteristics suitable for control valves

• Built-in bypass valve with locking screw to adjust sensitivity and dynamic response

• Filters on both the supply and signal pressure ports to protect instrument from particles’ in air supply

• Corrosion resistant finish and stainless assembly hardware to permit use in corrosive atmosphere