Ratio Relay Pneumatic Relays and Volume Boosters

Pneumatic Relays -- Model 62
from Siemens Process Instrumentation

The Series 62 Constant-Differential Relays serve as air-flow controllers maintaining a constant air purge for ech setting of an integral needle valve. By maintaining a constant-differential pressure drop across a built-in needle valve (for any flow setting up to 2.1 cu. ft. of air per hour). Series... [See More]

  • Type: Ratio Relay
  • Material: Aluminum; Stainless Steel
  • Maximum Pressure: 150