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Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing

Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing-

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Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing

Model Selection

Dwyer DAH-7021-153-10S Explosion-proof Bourdon Tube Pressure Switch (25-600 psig), 403SS with SPDT Snap
DAH-7021-153-10S $3,250.90 USD
Was: $3,552.90
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-12S Explosion-proof Bourdon Tube Pressure Switch (100-1500 psig), 403SS with SPDT Snap
DAH-7021-153-12S $3,750.60 USD
Was: $4,099.02
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-5S Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), 403SS with SPDT Snap
DAH-7021-153-5S $3,064.83 USD
Was: $3,349.54
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-6S Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), 403SS with SPDT Snap
DAH-7021-153-6S $3,064.83 USD
Was: $3,349.54
 Availability:
1 to 2 Weeks
Dwyer DAH-7021-153-8S Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), 403SS with SPDT Snap
DAH-7021-153-8S $3,064.83 USD
Was: $3,349.54
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-9S Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 403SS with SPDT Snap
DAH-7021-153-9S $3,250.90 USD
Was: $3,552.90
 Availability:
1 to 2 Weeks
Dwyer DSH-7221-153-10S Explosion-proof Bourdon Tube Pressure Switch (25-600 psig), 403SS with SPDT Snap
DSH-7221-153-10S $3,250.90 USD
Was: $3,552.90
 Availability:
15+ Weeks
Dwyer DSH-7221-153-12S Explosion-proof Bourdon Tube Pressure Switch (100-1500 psig), 403SS with SPDT Snap
DSH-7221-153-12S $3,750.60 USD
Was: $4,099.02
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-5S Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), 403SS with SPDT Snap
DSH-7221-153-5S $3,064.83 USD
Was: $3,349.54
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-6S Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), 403SS with SPDT Snap
DSH-7221-153-6S $3,064.83 USD
Was: $3,349.54
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-8S Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), 403SS with SPDT Snap
DSH-7221-153-8S $3,064.83 USD
Was: $3,349.54
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-9S Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 403SS with SPDT Snap
DSH-7221-153-9S $3,250.90 USD
Was: $3,552.90
 Availability:
11 to 12 Weeks
Dwyer DAH-7031-153-1 Explosion-proof Bourdon Tube Pressure Switch (1/8-15 psig), Brass with SPDT Snap
DAH-7031-153-1 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-2 Explosion-proof Bourdon Tube Pressure Switch (0-30"Hg Vac), Brass with SPDT Snap
DAH-7031-153-2 $2,674.41 USD
Was: $2,922.85
 Availability:
2 to 3 Weeks
Dwyer DAH-7031-153-3A Explosion-proof Bourdon Tube Pressure Switch (1/8-20 psig), Brass with SPDT Snap
DAH-7031-153-3A $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-4 Explosion-proof Bourdon Tube Pressure Switch (1-35 psig), Brass with SPDT Snap
DAH-7031-153-4 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-5 Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), Brass with SPDT Snap
DAH-7031-153-5 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-6 Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), Brass with SPDT Snap
DAH-7031-153-6 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-7 Explosion-proof Bourdon Tube Pressure Switch (5-150 psig), Brass with SPDT Snap
DAH-7031-153-7 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-8 Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), Brass with SPDT Snap
DAH-7031-153-8 $2,772.18 USD
Was: $3,029.70
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-9 Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), Brass with SPDT Snap
DAH-7031-153-9 $2,772.18 USD
Was: $3,029.70
 Availability:
7 to 8 Weeks
Dwyer DSH-7231-153-1 Explosion-proof Bourdon Tube Pressure Switch (1/8-15 psig), Brass with SPDT
DSH-7231-153-1 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-2 Explosion-proof Bourdon Tube Pressure Switch (0-30"Hg Vac), Brass with SPDT
DSH-7231-153-2 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-3A Explosion-proof Bourdon Tube Pressure Switch (1/8-20 psig), Brass with SPDT
DSH-7231-153-3A $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-4 Explosion-proof Bourdon Tube Pressure Switch (1-35 psig), Brass with SPDT
DSH-7231-153-4 $2,674.32 USD
Was: $2,922.75
 Availability:
3 to 4 Weeks
Dwyer DSH-7231-153-5 Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), Brass with SPDT
DSH-7231-153-5 $2,730.56 USD
Was: $2,984.22
 Availability:
13 to 14 Weeks
Dwyer DSH-7231-153-6 Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), Brass with SPDT
DSH-7231-153-6 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-7 Explosion-proof Bourdon Tube Pressure Switch (5-150 psig), Brass with SPDT
DSH-7231-153-7 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-8 Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), Brass with SPDT
DSH-7231-153-8 $2,830.39 USD
Was: $3,093.32
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-9 Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), Brass with SPDT
DSH-7231-153-9 $2,830.39 USD
Was: $3,093.32
 Availability:
11 to 12 Weeks
Dwyer DAH-7041-153-24E Explosion-proof Bourdon Tube Pressure Switch (10-150 psig), 316SS with SDST Snap
DAH-7041-153-24E $3,111.82 USD
Was: $3,400.90
 Availability:
7 to 8 Weeks
Dwyer DAH-7041-153-9E Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 316SS with SDST Snap
DAH-7041-153-9E $3,111.82 USD
Was: $3,400.90
 Availability:
3 to 4 Weeks
Dwyer DSH-7241-153-24E Explosion-proof Bourdon Tube Pressure Switch (10-150 psig), 316SS with SDST Snap
DSH-7241-153-24E $3,177.20 USD
Was: $3,472.35
 Availability:
11 to 12 Weeks
Dwyer DSH-7241-153-9E Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 316SS with SDST Snap
DSH-7241-153-9E $3,177.20 USD
Was: $3,472.35
 Availability:
11 to 12 Weeks
Show More Models...

Model Selection

The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.

The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.

Dwyer DAH-7021-153-10S Explosion-proof Bourdon Tube Pressure Switch (25-600 psig), 403SS with SPDT Snap
DAH-7021-153-10S $3,250.90 USD
Was: $3,552.90
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-12S Explosion-proof Bourdon Tube Pressure Switch (100-1500 psig), 403SS with SPDT Snap
DAH-7021-153-12S $3,750.60 USD
Was: $4,099.02
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-5S Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), 403SS with SPDT Snap
DAH-7021-153-5S $3,064.83 USD
Was: $3,349.54
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-6S Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), 403SS with SPDT Snap
DAH-7021-153-6S $3,064.83 USD
Was: $3,349.54
 Availability:
1 to 2 Weeks
Dwyer DAH-7021-153-8S Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), 403SS with SPDT Snap
DAH-7021-153-8S $3,064.83 USD
Was: $3,349.54
 Availability:
7 to 8 Weeks
Dwyer DAH-7021-153-9S Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 403SS with SPDT Snap
DAH-7021-153-9S $3,250.90 USD
Was: $3,552.90
 Availability:
1 to 2 Weeks
Dwyer DSH-7221-153-10S Explosion-proof Bourdon Tube Pressure Switch (25-600 psig), 403SS with SPDT Snap
DSH-7221-153-10S $3,250.90 USD
Was: $3,552.90
 Availability:
15+ Weeks
Dwyer DSH-7221-153-12S Explosion-proof Bourdon Tube Pressure Switch (100-1500 psig), 403SS with SPDT Snap
DSH-7221-153-12S $3,750.60 USD
Was: $4,099.02
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-5S Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), 403SS with SPDT Snap
DSH-7221-153-5S $3,064.83 USD
Was: $3,349.54
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-6S Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), 403SS with SPDT Snap
DSH-7221-153-6S $3,064.83 USD
Was: $3,349.54
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-8S Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), 403SS with SPDT Snap
DSH-7221-153-8S $3,064.83 USD
Was: $3,349.54
 Availability:
11 to 12 Weeks
Dwyer DSH-7221-153-9S Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 403SS with SPDT Snap
DSH-7221-153-9S $3,250.90 USD
Was: $3,552.90
 Availability:
11 to 12 Weeks
Dwyer DAH-7031-153-1 Explosion-proof Bourdon Tube Pressure Switch (1/8-15 psig), Brass with SPDT Snap
DAH-7031-153-1 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-2 Explosion-proof Bourdon Tube Pressure Switch (0-30"Hg Vac), Brass with SPDT Snap
DAH-7031-153-2 $2,674.41 USD
Was: $2,922.85
 Availability:
2 to 3 Weeks
Dwyer DAH-7031-153-3A Explosion-proof Bourdon Tube Pressure Switch (1/8-20 psig), Brass with SPDT Snap
DAH-7031-153-3A $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-4 Explosion-proof Bourdon Tube Pressure Switch (1-35 psig), Brass with SPDT Snap
DAH-7031-153-4 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-5 Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), Brass with SPDT Snap
DAH-7031-153-5 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-6 Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), Brass with SPDT Snap
DAH-7031-153-6 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-7 Explosion-proof Bourdon Tube Pressure Switch (5-150 psig), Brass with SPDT Snap
DAH-7031-153-7 $2,674.41 USD
Was: $2,922.85
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-8 Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), Brass with SPDT Snap
DAH-7031-153-8 $2,772.18 USD
Was: $3,029.70
 Availability:
7 to 8 Weeks
Dwyer DAH-7031-153-9 Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), Brass with SPDT Snap
DAH-7031-153-9 $2,772.18 USD
Was: $3,029.70
 Availability:
7 to 8 Weeks
Dwyer DSH-7231-153-1 Explosion-proof Bourdon Tube Pressure Switch (1/8-15 psig), Brass with SPDT
DSH-7231-153-1 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-2 Explosion-proof Bourdon Tube Pressure Switch (0-30"Hg Vac), Brass with SPDT
DSH-7231-153-2 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-3A Explosion-proof Bourdon Tube Pressure Switch (1/8-20 psig), Brass with SPDT
DSH-7231-153-3A $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-4 Explosion-proof Bourdon Tube Pressure Switch (1-35 psig), Brass with SPDT
DSH-7231-153-4 $2,674.32 USD
Was: $2,922.75
 Availability:
3 to 4 Weeks
Dwyer DSH-7231-153-5 Explosion-proof Bourdon Tube Pressure Switch (2-60 psig), Brass with SPDT
DSH-7231-153-5 $2,730.56 USD
Was: $2,984.22
 Availability:
13 to 14 Weeks
Dwyer DSH-7231-153-6 Explosion-proof Bourdon Tube Pressure Switch (5-100 psig), Brass with SPDT
DSH-7231-153-6 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-7 Explosion-proof Bourdon Tube Pressure Switch (5-150 psig), Brass with SPDT
DSH-7231-153-7 $2,730.56 USD
Was: $2,984.22
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-8 Explosion-proof Bourdon Tube Pressure Switch (10-200 psig), Brass with SPDT
DSH-7231-153-8 $2,830.39 USD
Was: $3,093.32
 Availability:
11 to 12 Weeks
Dwyer DSH-7231-153-9 Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), Brass with SPDT
DSH-7231-153-9 $2,830.39 USD
Was: $3,093.32
 Availability:
11 to 12 Weeks
Dwyer DAH-7041-153-24E Explosion-proof Bourdon Tube Pressure Switch (10-150 psig), 316SS with SDST Snap
DAH-7041-153-24E $3,111.82 USD
Was: $3,400.90
 Availability:
7 to 8 Weeks
Dwyer DAH-7041-153-9E Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 316SS with SDST Snap
DAH-7041-153-9E $3,111.82 USD
Was: $3,400.90
 Availability:
3 to 4 Weeks
Dwyer DSH-7241-153-24E Explosion-proof Bourdon Tube Pressure Switch (10-150 psig), 316SS with SDST Snap
DSH-7241-153-24E $3,177.20 USD
Was: $3,472.35
 Availability:
11 to 12 Weeks
Dwyer DSH-7241-153-9E Explosion-proof Bourdon Tube Pressure Switch (10-300 psig), 316SS with SDST Snap
DSH-7241-153-9E $3,177.20 USD
Was: $3,472.35
 Availability:
11 to 12 Weeks

Dwyer DAH/DSH Explosion Proof Series Offers

Features

  • Adjustable or fixed deadband
  • SPDT snap-action, hermetically sealed snap action or hermetically sealed mercury switch
  • External switch setpoint adjustments
  • Minimum deadband is obtainable at any point in the range
  • Pressure Ranges of full vacuum to 8000 psig
  • UL listed, CSA approved. Many models FM approved
  • General purpose, weatherproof or explosion-proof enclosures
Specifications
  • Wetted Materials: Brass, 403 SS, or 316 SS
  • Temperature Limit: 180°F (82°C)
  • Pressure Limit: Maximum pressure of the operating range
  • Repeatability: ±1% of full operating range, ±1.5% on DS-7300 models
  • Switch Type: SPST mercury switch, SPDT mercury switch, SPDT snap switch, or SPDT hermetically sealed snap switch. Other circuit types available
  • Electrical Rating: See Catalog page
  • Electrical Connections: Screw terminal
  • Mounting Orientation: Vertical
  • Set Point Adjustment: Thumbscrew

What's included with the Dwyer DAH/DSH Series

  • Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing

Dwyer DAH/DSH Explosion Proof Series Offers

Features

  • Adjustable or fixed deadband
  • SPDT snap-action, hermetically sealed snap action or hermetically sealed mercury switch
  • External switch setpoint adjustments
  • Minimum deadband is obtainable at any point in the range
  • Pressure Ranges of full vacuum to 8000 psig
  • UL listed, CSA approved. Many models FM approved
  • General purpose, weatherproof or explosion-proof enclosures
Specifications
  • Wetted Materials: Brass, 403 SS, or 316 SS
  • Temperature Limit: 180°F (82°C)
  • Pressure Limit: Maximum pressure of the operating range
  • Repeatability: ±1% of full operating range, ±1.5% on DS-7300 models
  • Switch Type: SPST mercury switch, SPDT mercury switch, SPDT snap switch, or SPDT hermetically sealed snap switch. Other circuit types available
  • Electrical Rating: See Catalog page
  • Electrical Connections: Screw terminal
  • Mounting Orientation: Vertical
  • Set Point Adjustment: Thumbscrew
Show More...

What's included with the Dwyer DAH/DSH Series

  • Dwyer DA/DS Series Bourdon Tube Pressure Switches with Explosion-Proof Housing

More Dwyer Products


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