14253JNU Fairchild Products Model 14 Positive and Negative Bias Relay

14253JNU
$554.27 / Each
  • Product Type: Biasing Relay
  • Flow Capacity: 40 SCFM (68 M³/HR)
  • Max. Output Pressure: 100 PSIG
  • Max. Supply Pressure: 250 PSIG

Fairchild Model 14 positive/negative bias relay with a -18 to +100psig range, 3/8inBPST ports, non-relieving and Viton elastomers

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Product Description

Designed for applications that require an output pressure that is the sum of a controlled input signal plus or minus a fixed bias, Fairchild's 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.

Dimension Drawing