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Model 4870 Air Control Panel

Designed for either automatic or manual operation. Air pressure regulated by two (or, for the Type III, one) pressure regulators. Air flow rate measured by a direct-reading float-in-tube flowmeter. Humidity alarm system monitors moisture content of outlet air and energizes a local alarm if the moisture level exceeds preset value of -15° F dew point at 80 psig.
Configurations other than those shown may be special-ordered.

  • Air control panel in accordance with NAVSHIPS Standard Drawing 803-1385925 Rev. C.

$0.00

SKU: 4870

Description

Designed for either automatic or manual operation. Air pressure regulated by two (or, for the Type III, one) pressure regulators. Air flow rate measured by a direct-reading float-in-tube flowmeter. Humidity alarm system monitors moisture content of outlet air and energizes a local alarm if the moisture level exceeds preset value of -15° F dew point at 80 psig.
Configurations other than those shown may be special-ordered.

  • Air control panel in accordance with NAVSHIPS Standard Drawing 803-1385925 Rev. C.

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Product Specs
Parts List
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Specifications:

Bypass: A manual bypass valve is provided to allow continued operation in the event of malfunction of any of the automatic components.
Relief valve: Preset adjustable relief valve protects downstream equipment from overpressurization.
Dimensions: 30″ W x 17″ H x 9-1/2″ D.
Weight: 70 lb (110 lb crated).
Operation: Either automatic or manual, continuous or intermittent.
Power requirements: 115 VAC, 60 Hz, single-phase, 1/4 amp.
Air requirements: Clean, dry compressed air at 80 to 150 psig.
Filter: Prevents introduction of any particulates larger than 25 microns.
Calibration: External ports are provided for calibration of the dew point alarm system and of pressure gauges.
Controls & indicators:
  • Purge/test valve
  • Inlet, intermediate & outlet pressure gauges
  • Inlet & outlet shutoff valves
  • Humidity alarm system
  • Test switch
  • Emergency shutoff valves
  • Intermediate & outlet pressure regulators

Operating Characteristics by Type:

Type and Class IA / 4870-G511 IB / 4870-G512 IC / 4870-G513 IIA / 4870-G521 IIB / 4870-G522 III / 4870-G531
Inlet Pressure 80- 150 psig 80- 150 psig 80- 150 psig
Intermediate Pressure, psig 50 ± 2 70 ± 2 75 ± 2
Outlet Pressure, psig 0-10 ± 1/4 10-20 ± 1/4 20-30 ± 1/4 25-40 ± 1/4 40-60 ± 1/4 n/a
Flow, scfm 0-10 0-15
Dew Point Alarm -15° F @ 80 psig
Relief Valve Setting Outlet + 3 to 5 psig Outlet + 10% psig
SKU: 4870 CATEGORY: TAGS: