HOUSED DIAPHRAGM Series D2H

$221.00

Barksdale’s Diaphragm Pressure Switches offer superior accuracy in a robust package, making them the ideal solution to your industrial pressure control needs. Diaphragm switches are ideal for applications demanding instrument class accuracy and where pressure pulsations are less than 25 cycles per minute. Available in various pressure ranges up to 150 psi, diaphragm switches are suitable for use in either positive pressure or vacuum applications. Single, and dual, and triple circuit models are available. Housed model (D2H) feature a durable, anodized aluminum enclosure with an integrated 1/2″ NPT conduit connector, a tamper-resistant cover for the setpoint adjustment screws, and are rated to NEMA 4 as a standard. For applications requiring a highly accurate switch in a durable package, Barksdale’s Diaphragm Pressure Switches are the ideal choice.

Description

General Specifications

Accuracy: ± 0.5% of the adjustable range
Switch:

Type:

Rating:

 

Single pole double throw (SPDT) Snap Action; single or dual circuit

10 amps @ 125/250 VAC; 3 amps @ 480 VAC (Class A or H limit switch). Consult sales drawing for ratings of optional limit switches.

Wetted Parts:

Process Fitting:

Diaphragm:

Enclosure:

 

304 stainless steel

17-7 PH stainless steel

Anodized aluminum (housed models)

Electrical Connection: Free leads approximately 18″ long, #16 AWG and 1/2″ NPT conduit connection for housed models
Enclosure Ratings: Housed Models: NEMA 4
Pressure Connection: 1/4″ NPT Female
Approvals:

UL (optional):

CSA (optional):

PED (European):

 

Housed (D1H and D2H) models may be ordered as UL Listed on request (UL File No. E42816).

All models may be ordered as CSA listed under Class 3231 02, File LR22355 on request.

Compliant to PED 97/23/EC

Temperature Range:

Operating:

Storage:

 

-40° to +165°F (-40° to +74°C)

-65° to +200°F (-54° to 93°C)

Adjustment Instructions:

Pressure:

Vacuum:

 

Turn adjustment screw counterclockwise to raise actuation point.

Turn adjustment screw clockwise to increase setpoint (higher vacuum).

Options: – NEMA 4X enclosure (housed models only)
– Cleaned for oxygen service
– Factory pre-set
Shipping Weight: Housed Versions: 1.75 lbs. approximate
 

 

Wiring Code

Lead Circuit #1 Circuit #2
Pressure Vacuum Pressure Vacuum
Normally Closed Blue Red Orange Yellow
Common Purple Purple Brown Brown
Normally Open Red Blue Yellow Orange

 

Housed Diaphragm Series D2H – Features / Application

Additional information

Models

D2H-H18SS, D2H-A15SS

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