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66BA3 - Siemens Moore Products 66BA3 Model 66 Amplifying Pneumatic Relay with...

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Part Number:
66BA3
Model Number:
66BA3
Make:
MOORE PRODUCTS
Lead Time:
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Available

Siemens Moore Products 66BA3 Model 66 Amplifying Pneumatic Relay with Input-to-Output Ratio 1:3

The Model 66 Amplifying and Reducing Relays are used to increase or decrease control-circuit pressure signals. Its input pressure, acting upon the effective area of the top diaphragm, produces a force that is balanced by the force produced by the output pressure applied over the effective area of the lower diaphragm. Any imbalance in these opposing forces will operate the plunger, increasing or decreasing air supply to the output chamber. (The amplifying or reducing ratio is fixed by the ratio of input-to-output diaphragm areas.) An increase in input opens the pilot valve to admit supply air directly to the output. A decrease in input opens the exhaust port to exhaust air from the output.

Download the datasheet (PDF)

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Features

  • Pneumatic signal conditioning provides control circuit design flexibility
  • Powder coating provides improved corrosion resistance

Specifications

    General
  • Air Consumption: 0.12 scfm maximum. Mechanical Specifications
  • Flow Capacity: 2.2 scfm minimum
  • Linearity: ±1% of output span
  • Materials of Construction: Brass, aluminum, stainless steel, and Neoprene
  • Maximum Output Pressure: Within 0.1 psi (0.7 kPa) of supply
  • Minimum Output Pressure: Less than 0.4 psig (3 kPa) with zero output
  • Operating Temperature: -40 to 180°F (-40 to 82°C)
  • Overrange Limits: 100 psig (690 kPa) at any connection
  • Range Limits: 80 psig max. for input or output - whichever limits
  • Ratio Accuracy: Within 1% of normal ratio
  • Reproducibility: Within 0.02 psi (0.15 kPa)
  • Response Level: 0.2" H2O (5 mm H2O)
  • Supply Pressure: Normal: 20 psig (140 kPa). Maximum: 80 psig (550 kPa). Minimum: 1 psi (7 kPa) above maximum required output
  • Zero Error: 66BA6: ±0.36 psi (2.5 kPa). All Others: ±0.24 (1.5 kPa)

 

Applications

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Aliases

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