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

DAHF-7221-3-12S

Series: Series DA/DS Bourdon Tube Pressure Switch Brand: Dwyer Instruments, LLC
Price
$2,457.00 CAD
Stock
25+ In Stock
Request Information

  • Deadband - Adjustable
  • Enclosure - Explosion-Proof
  • Agency Approvals - FM Approved
  • Switch Type - Snap Action Switch - 15A, 120/240 AC
  • Bourdon Tube Material - 403 Stainless Steel
  • Output - SPST Mercury Switch - Closes on Pressure Increase
  • Pressure Range - psig: 100 to 1,500 (bar: 6.895 to 103.4, kPa: 689.5 to 10,342)

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

DAF-7221-3-12S
DAF-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$520.00 CAD
50+ In Stock
DS-7221-3-12S
DS-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$65.00 CAD
2 In Stock
DAH-7221-3-12S
DAH-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,404.00 CAD
15 In Stock
DAWF-7221-3-12S
DAWF-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$1,227.00 CAD
50+ In Stock
DSHF-7221-3-12S
DSHF-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,311.00 CAD
17 In Stock
DAHF-7221-2-12S
DAHF-7221-2-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,073.00 CAD
25+ In Stock
DSWF-7221-3-12S
DSWF-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$2,138.00 CAD
5 In Stock
DSF-7221-3-12S
DSF-7221-3-12S
Series DA/DS Bourdon Tube Pressure Switch
Dwyer Instruments
$1,211.00 CAD
18 In Stock
show more