Model 14 Positive and Negative Bias Relay
Part Number: M14
Designed for applications that require an output pressure that is the sum of a controlled input signal plus or minus a fixed bias, Rotork Fairchild Model 14 Biasing Pneumatic Relay provides versatility in its ability to provide either positive or negative biasing in a single unit. The output of the Model 14 relay is the sum of the spring bias, set with the Range Screw, plus a pneumatic input signal. (Po = Ps + K); where Po is output pressure, Ps is signal pressure, and K is the combined spring constant.
Features
- Control sensitivity of 1/2" water column
- Balanced supply valve
- Aspirator tube design
- Separate control chamber
- Mounting bracket available
- Canadian registration number (CRN) certification
Benefits
- Allows use in precision applications
- Minimizes the effects of supply pressure variation
- Minimizes downstream pressure droop under flow conditions
- Isolates the diaphragm from the main flow to eliminate hunting and buzzing
- Easy to install in the field
- Certification for use in all Canadian territories and provinces
