CAUTION: For use only with air or compatible gases. Applications with hazardous atmospheres and a single positive pressure may require special venting.

Specifications

• Service: Air and non-combustible, compatible gases.
• Wetted Materials: Consult factory.
• 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″ 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 and 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 type, common, normally open and normally closed.
• Process Connections: 1/8″ female NPT.
• Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
• Set Point Adjustment: Screw type on top of housing.
• Weight: 3.25 lb (1.5 kg); 1950-02 model 4.4 lb (2 kg).
• Agency Approvals: CE, CSA, FM, UL.