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Series AP Diaphragm Operated Pressure Switch
Brand: Dwyer Instruments, LLCReliable and convenient, the Series AP Diaphragm Operated Pressure Switch is a compact switch for instrument air or other low pressure applications.
Visible set point and external adjustment add convenience.
Used on air, non-corrosive gas or liquid service compatible with wetted parts. Units are available in weather-proof and explosion-proof housing.
Features- Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation
- External switch set point adjustment reduces set-up time
Displaying prices & availability for Ohio, United States in CAD. Change location.
Models matching criteria: 6
DWYER Diaphragm Operated Pressure Switch, Range 1-30 psig (.07-2.1 bar), SPDT Snap Switch, Low Deadband 0.75 psig (0.05 bar), High Deadband 1.5 psig (0.10 bar), Max. Pressure 60 psig (4.14 bar). view more
- Output - SPDT, Snap Acting Switch
- Pressure Range - psig: 0 to 30 (bar: 0 to 2, kPa: 0 to 206)
100+ In Stock
$1,808.00 CAD
$10.00 Shipping
DWYER Diaphragm Operated Pressure Switch, Range 10" Vac-50" W.C. (2.5-12.4 kPa), SPDT Snap Switch, Low Deadband 8" W.C. (2.0 kPa), High Deadband 10" W.C. (2.49 kPa), Max. Pressure 15 psig (1.03 bar). view more
- Output - SPDT, Snap Acting Switch
- Pressure Range - -10 Inches Hg to 50" Inches WC
50+ In Stock
$2,104.00 CAD
$10.00 Shipping
50+ In Stock
$2,040.00 CAD
$10.00 Shipping
DWYER Diaphragm Operated Pressure Switch, Range 10-125 psig (.69-8.6 bar), SPDT Mercury Switch, Low Deadband 2 psig (0.14 bar), High Deadband 6 psig (0.41 bar), Max. Pressure 160 psig (11.0 bar). view more
- Output - SPDT Mercury Switch
- Pressure Range - psig: 10 to 125 (bar: 0.689 to 8.618, kPa: 68.95 to 861.8)
50+ In Stock
$1,548.00 CAD
$10.00 Shipping
DWYER Diaphragm Operated Pressure Switch, Range 10-125 psig (.69-8.6 bar), SPDT Snap Switch, Low Deadband 3 psig (0.21 bar), High Deadband 7 psig (0.48 bar), Max. Pressure 160 psig (11.0 bar). view more
- Output - SPDT, Snap Acting Switch
- Pressure Range - psig: 10 to 125 (bar: 0.689 to 8.618, kPa: 68.95 to 861.8)
50+ In Stock
$1,944.00 CAD
$10.00 Shipping
DWYER Diaphragm Operated Pressure Switch, Range 1-30 psig (.07-2.1 bar), SPDT Mercury Switch, Low Deadband 0.4 psig (0.03 bar), High Deadband 0.75 psig (0.05 bar), Max. Pressure 60 psig (4.14 bar). view more
- Output - SPDT Mercury Switch
- Pressure Range - psig: 0 to 30 (bar: 0 to 2, kPa: 0 to 206)
11 In Stock
$1,223.00 CAD
$10.00 Shipping
Specifications
Adjustment Type
- External Screwdriver Slot
Approvals & Certifications
- CE
- FM
- UL
Conduit Connection
- 7/8” Hole for 1/2” Conduit Hub
Deadband
- psig: 0.4 to 7 (kPa: 2.7 to 48, bar: 0.027 to 0.48)
Electrical Connectors
- Screw Terminal
Electrical Rating
- Mercury Switch: 2 A at 240 Vac/Vdc
- Mercury Switch: 4 A at 120 Vac
- Snap Switch: 0.25 A at 240 Vdc
- Snap Switch: 0.5 A at 120 Vdc
- Snap Switch: 15 A at 120 Vac
- Snap Switch: 8 A at 240 Vac
Environmental Protection
- Explosion-proof
- Weatherproof
NPT Connection
- 1/4” NPT Female
Sensor Orientation
- Vertical for Mercury Switch Models
Set Point - Decreasing
- bar: 0.07 to 8.62
- Inches Hg: -10 to 0 psi
- Inches WC: 0 to 50
- kPa: 7 to 862
- psig: 1 to 125
Set Point - Increasing
- bar: 0.07 to 8.62
- Inches Hg: -10 to 0 psi
- Inches WC: 0 to 50
- kPa: 7 to 862
- psig: 1 to 125
Switch Type
- SPDT Mercury Switch or Snap Switch
System Pressure
- bar: 1.03 to 11.03
- kPa: 103.4 to 1,103
- psig: 15 to 160
Temperature Range
- -35° to 66° C (-30° to 150° F)
Wetted Materials
- 316 Stainless Steel
- Nylon Reinforced Buna-N
- PTFE
- Steel
- Low Pressure Applications
- Instrument Air
