Description
Series: 1630 Large Diaphragm Pressure Switch
Model: 1638-0
Brand: Dwyer, USA
Description:
- Large diaphragm pressure switch, range 0.05-0.25″ w.c., approx deadband @ 0.04 min. set point, 0.05 max. set point.
Specifications:
- Service: Air and non-combustible, compatible gases.
- Wetted Materials: Consult factory.
- Temperature Limits: -30 to 110°F (-34.4 to 43.3°C).
- Pressure Limits: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
- Switch Type: SPDT.
- Repeatability: ±1%.
- Electrical Rating: 15 A @ 120-480 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 with enclosed scale.
- Weight:3 lb 3 oz (1.50 kg).
- Agency Approvals: CSA, FM, UL.
Product Applications:
- Damper positioning
- Duct air control
- Air conditioning
- Industrial service
