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Bellofram Precision Volume Booster/Air Relay 1"

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Manufacturer: Marsh Bellofram Corporation

Mfg Product Code: 961-159-000

Weight: 1.0 lb(s)

On Hand: 0

The Bellofram 961-159-000 Type 79 High Flow Precision Volume Booster/Air Relay uses an air pilot signal to accurately control output pressure over a wide range of flow and supply pressure variations. Superior rolling diaphragm design provides greater sensitivity, lower droop, and improved accuracy when compared to most competitive general purpose flat diaphragm regulators. These regulators are self-relieving and utilize a 1:1 ratio pilot signal vs. output pressure. An electro-pneumatic regulator, transducer or remote pilot regulator typically supplies this pilot signal. Careful design and quality materials throughout assure long, trouble-free operation. Regulators can be pipe mounted or use optional mounting bracket. 

Features

  • Port Size: 1" NPT with 1/4" NPT gauge port
  • Pressure Range: 0-200 PSI
  • Flow Capacity: >125 SCFM @ 20 PSI signal and 100 PSI supply
  • Maximum Supply Pressure: 400 PSI
  • Maximum Signal Pressure: 200 PSI
  • Sensitivity: 1" water column
  • Exhaust Capacity: 31 SCFM at 5 PSIG above 20 PSIG setpoint
  • Supply Pressure Sensitivity: 0.35 PSI per 100 PSI change
  • Ratio Accuracy: <1.5% typical
  • Housing Material: Die cast zinc and aluminum, vinyl paint
  • Diaphragm: Nitrile rolling diaphragm
  • Ambient Temperature: -40 to 200 °F
  • Mounting: In-line pipe or optional bracket

358.71 358.71 USD 379.59

379.59

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    Product Datasheets

    Datasheet 1