Differential pressure gages: Series AT22000 DWYER

Magnehelic® Gage in Flame-Proof ATEX Enclosure

Application

  • Fan and blower pressures
  • Filter resistance
  • Air velocity
  • Furnace draft
  • Liquid levels with bubbler systems
  • Pressure in fluid amplifier or fluidic systems
AT22000_Catalog AT22000_IOM (+84) 903 999 357

Magnehelic® Differential Pressure Gage is now available in a flame-proof ATEX enclosure

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Specification

Service:Air and non-combustible, compatible gases. (Natural Gas option available.)
Note:May be used with hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi.
Housing:Die cast aluminum case and bezel, with acrylic cover, Exterior finish is coated gray to withstand 168 hour salt spray corrosion test.
Accuracy:±2% of FS (±3% on -0, -100PA, -125PA, -10MM and ±4% on -00, -60PA, -6MM ranges), throughout range at 70°F (21.1°C).
Pressure Limits:-20 in Hg. to 15 psig.† (-0.677 bar to 1.034 bar); MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar).
Overpressure:Relief plug opens at approximately 25 psig (1.72 bar), standard gages only. See Overpressure Protection note on Catalog page.
Temperature Limits:20 to 140°F (-6.67 to 60°C). -20°F (-28°C) with low temperature option.
Size:4" (101.6 mm) diameter dial face.
Mounting Orientation:Diaphragm in vertical position.
Enclosure Rating:IP66. IP65 with option OPV, overpressure relief valve.
Housing material:Aluminum.
Finishing:Texture epoxy coat RAL7038.
Process Connections:1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
Weight:8.6 lb (3.9 kg).
ATEX CertificateBVI 14ATEX0072.
Agency Approvals:CE 1370 II2 GD Ex d IIC Gb T6; -60°C ≤ Ta ≤ +60°C Ex tb IIIC Db T 85°C.
       

Feature

  • ATEX housing provides all the capabilities and value of the Magnehelic® in a flame & explosion proof enclosure
  • Quick response to pressure changes means no delay in assessing critical situations
  • Durable and rugged housing and high-quality components combined provides long-service life and minimized down-time
  • High impact strength and high temperature rated for applications where hazardous environments exist
   

Published by Lam

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