Dwyer Bourdon Tube Pressure Switch, Series DA/DS
Images are representations only.

DA-31-3-4

Series: Series DA/DS Bourdon Tube Pressure Switch Brand: Dwyer Instruments, LLC
Price
$2,303.00 CAD
Stock
11 In Stock
Request Information

  • Deadband - Adjustable
  • Enclosure - General-Purpose
  • Agency Approvals - No Additional Approvals
  • Switch Type - Mercury Switch
  • Bourdon Tube Material - Brass
  • Output - SPST Mercury Switch - Closes on Pressure Increase
  • Pressure Range - psig: 1 to 35 (bar: 0.069 to 2.413, kPa: 6.895 to 241.3)

Specifications

Brand

Adjustment Type

  • Thumbscrew

Approvals & Certifications

  • CE
  • CSA
  • FM
  • UL

Electrical Connectors

  • 1/2” Conduit
  • 3/4” NPT Female
  • Screw Terminal

Electrical Rating

  • Adjustable Deadband SPDT: 10 A at 120/240 Vac
  • Fixed Deadband 15 A at 120/240 Vac
  • Hermetically Sealed, Fixed Deadband SPDT: 5 A at 120/240 Vac Resistive
  • Hermetically Sealed, Fixed Deadband SPDT: 5 A at 30 Vdc

Environmental Protection

  • Explosion-proof
  • General-purpose
  • NEMA 7
  • NEMA 9
  • NEMA 9A
  • Weatherproof

NPT Connection

  • Explosion-proof: 1/4” NPT Female
  • Weatherproof: 1/2”Male NPT on Ranges 15S & 16S
  • Weatherproof: 1/4” NPT Male

Repeatability

  • ± 1 % of Full Operating Range
  • ± 1.5 % on DS-7300 Models

Sensor Orientation

  • Vertical

Set Point - Decreasing

  • bar: 0 to 552
  • Inches Hg: -30 to 0
  • kPa: 0 to 55,200
  • psi: 0 to 8,000

Set Point - Increasing

  • bar: 0 to 552
  • Inches Hg: -30 to 0
  • kPa: 0 to 55,200
  • psi: 0 to 8,000

Switch Type

  • SPDT (Mercury Switch, Snap Switch, SPDT Hermetically Sealed Snap Switch)
  • SPST Mercury Switch

System Pressure

  • bar: 550
  • kPa: 55,000
  • psig: up to 8,000 for Select Models

Temperature Range

  • 82° C to (180° F)

Wetted Materials

  • 316 Stainless Steel
  • 403 Stainless Steel
  • Brass

Documentation

Approvals

Brochure

Catalogs

Manuals

View Product Series

Similar SKUs

DA-31-153-4
DA-31-153-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$110.00 CAD
50+ In Stock
DWYER Pressure Switch, Brass Bourdon Tube, Range 1-35 psig, 1.75 psig Min. Deadband.
DA-7231-3-4
DA-7231-3-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,312.00 CAD
22 In Stock
DA-31-2-4
DA-31-2-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$1,830.00 CAD
25+ In Stock
DAH-31-3-4
DAH-31-3-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$1,452.00 CAD
100+ In Stock
DS-31-3-4
DS-31-3-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$1,338.00 CAD
100+ In Stock
DA-7331-3-4
DA-7331-3-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,473.00 CAD
50+ In Stock
DSF-31-3-4
DSF-31-3-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,163.00 CAD
25+ In Stock
DAF-31-3-4
DAF-31-3-4
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$334.00 CAD
50+ In Stock
show more