差压开关

Model 220

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The Model 220 carries global certifications from CSA, UL, and ATEX. The piston style Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. Certified to ATEX directive Ex d, IIB + H2 with an IP65 rating.

Mid-West Instrument's new Hazardous Locations "Delta P" switches are provided with a field wireable terminal strip. The terminal strip eliminates the need to add a costly explosion-proof junction box near the switch. Multiple outputs are available ranging from low power reed switches to higher load switching relay outputs.

Features and Benefits
A competitively priced Indicating Differential Pressure Switch for use in measuring the pressure drop across filters, strainers, separators, valves, and pumps in Hazardous Locations.

Simple, Rugged, Compact Design

Working Pressure 3000 PSIG (200 bar)

Over-range Protection to Maximum Presssure

Captive Cover Screws

The Entire Assembly is Certified for Hazardous Locations

 

 

 

 

 

† Product of the Switching Voltage & Current shall not exceed the power rating
** Available Normally Open or Normally Closed

Set Point Accuracy: 2%*

Interface:  1/2” Conduit / Cable Entry with 16 Position Terminal Strip

Enclosure:  NEMA 7 / Ex "d" (Flame-proof), IP65 Weatherproof rating

Switch Adjust: Internal to the Enclosure

Input Power: None. (For Reed switch Outputs) ; Required for Relay Output

Body:

Working Pressure:  4000 PSIG (Division Classification) / 3000 PSIG (ATEX)

Differential Over-range:  Same as Working Pressure

Range: 0-5 PSID (0-0.35 bar) to 0 -100 PSID (0-7 bar)

Process Connections: 1/4” FNPT End Connected (Standard)

Materials:  AL, 316 / 316L SS,

Indicator:

Accuracy:  2%* 

Dial Size:  4 1/2” Standard None (Switch Only)