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Dwyer 1950 Series Explosion-proof Differential Pressure Switches

Dwyer 1950 Series Explosion-proof Differential Pressure Switches

CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres NEMA 7 & 9. Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Series offers set points from 0.03 to 20" w.c. (7.5 to 5 kPa) and from 0.5 to 60 psi (0.035 to 3.5 bar).

CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres NEMA 7 & 9. Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Series offers set points from 0.03 to 20" w.c. (7.5 to 5 kPa) and from 0.5 to 60 psi (0.035 to 3.5 bar).


Dwyer 1950 Series Offers

Dwyer 1950 Series Offers

UL and CSA listed, and FM approved.
CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

Dwyer 1950 Series Specifications

Service Air and Non-Combustible, Compatible Gases
Temperature Limits -40 to 140°F (-40 to 60°C)
0 to 140°F (-17.8 to 60°C) for 1950P-8, 15, 25, and 50
-30 to 130°F (-34.4 to 54.4°C) for 1950-02
Pressure Limits Continuous: 1950's - 45 in w.c. (0.11 bar); 1950P's - 35 psi (2.41 bar); 1950P-50 only - 70 psi (4.83 bar)
Surge: 1950's - 10 psi (0.69 bar), 1950P's - 50 psi (3.45 bar), 1950P-50 only - 90 psi (6.21 bar)
Enclosure Rating NEMA 3 (IP54), NEMA 7 & 9
Switch Type Single-Pole Double-Throw (SPDT)
Electrical Rating 15 A @, 125, 250, 480 VAC, 60 Hz
Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
Electrical Connections 3 Screw Types: Common, Normally Open and Normally Closed
Process Connections 1/8" Female NPT
Mounting Orientation Diaphragm in Vertical Position
Set Point Adjustment Screw Type On Top of Housing
Weight 3.25 Ib (1.5 kg)
1950-02 Model: 4.4 lb (2 kg)
Agency Approvals CE, CSA, FM, UL
Click here for complete specifications on the Dwyer 1950 Series

What's included with the Dwyer 1950 Series

  • Dwyer 1950 Series Explosion-proof Differential Pressure Switches
  • Click on a category to view a selection of compatible accessories with the Dwyer 1950 Series Explosion-proof Differential Pressure Switches.

    Dwyer A-602 Air Filter Kit A-602
    Kit Includes two static pressure tips with integral compression fittings, two five-foot lengths of 1/4" aluminum tubing and two 1/8" NPT to 1/4" tubing compression fittings. Must buy gauge separately.




    Customer Reviews for the Dwyer 1950 Series

    Ask a question about Dwyer 1950 Series Explosion-proof Differential Pressure Switches

    Dwyer 1950 Series Offers

    Dwyer 1950 Series Offers

    UL and CSA listed, and FM approved.
    CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

    Dwyer 1950 Series Specifications

    Service Air and Non-Combustible, Compatible Gases
    Temperature Limits -40 to 140°F (-40 to 60°C)
    0 to 140°F (-17.8 to 60°C) for 1950P-8, 15, 25, and 50
    -30 to 130°F (-34.4 to 54.4°C) for 1950-02
    Pressure Limits Continuous: 1950's - 45 in w.c. (0.11 bar); 1950P's - 35 psi (2.41 bar); 1950P-50 only - 70 psi (4.83 bar)
    Surge: 1950's - 10 psi (0.69 bar), 1950P's - 50 psi (3.45 bar), 1950P-50 only - 90 psi (6.21 bar)
    Enclosure Rating NEMA 3 (IP54), NEMA 7 & 9
    Switch Type Single-Pole Double-Throw (SPDT)
    Electrical Rating 15 A @, 125, 250, 480 VAC, 60 Hz
    Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz
    Electrical Connections 3 Screw Types: Common, Normally Open and Normally Closed
    Process Connections 1/8" Female NPT
    Mounting Orientation Diaphragm in Vertical Position
    Set Point Adjustment Screw Type On Top of Housing
    Weight 3.25 Ib (1.5 kg)
    1950-02 Model: 4.4 lb (2 kg)
    Agency Approvals CE, CSA, FM, UL
    Click here for complete specifications on the Dwyer 1950 Series

    What's included with the Dwyer 1950 Series

  • Dwyer 1950 Series Explosion-proof Differential Pressure Switches
  • Click on a category to view a selection of compatible accessories with the Dwyer 1950 Series Explosion-proof Differential Pressure Switches.

    Dwyer A-602 Air Filter Kit A-602
    Kit Includes two static pressure tips with integral compression fittings, two five-foot lengths of 1/4" aluminum tubing and two 1/8" NPT to 1/4" tubing compression fittings. Must buy gauge separately.




    Ask a question about Dwyer 1950 Series Explosion-proof Differential Pressure Switches

    Customer Reviews for the Dwyer 1950 Series

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