Dwyer

1620 Single and Dual Pressure Switch

Diaphragm sealed leak proof construction provide high reliability repetitive accuracy within 1%

Starting At
$420.00 CAD
Normally ships in 3-4 Weeks

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On the Series 1620 our old faithful switch design is still best where highest precision combined with diaphragm sealed leak proof construction and mounting simplicity are required. Model 1626 and 1627 differential pressure switches are identical in design and construction except that Model 1626 has a single electric switch and Model 1627 has dual electric switches. Model 1627 can therefore provide dual control when required. It can be set to open or close two independent electrical circuits, each preset for its own actuation pressure. Both units have diaphragm sealed motion take outs providing maximum protection against leakage.

Caution: For use only with air or compatible gases

• Single or dual action switches support consistent designs with similar models, but with the ability to match specific application needs
• Sealed diaphragm provides leak-proof construction for high accuracy and precision control
 

Service Air and non-combustible, compatible gases
Wetted Materials Consult factory
Temperature Limits -30F - 130F (-34.4C - 54.4C)
Pressure Limits Max. 50 in. W.C. (12.44 kPa) continuous, 2 PSIG (13.79 kPa) surge
Switch Type 1626: SPDT;
1627: Two (2) SPDT
Repeatability 1%
Electrical Rating 15 A @ 120 VAC - 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 in female NPT
Mounting Orientation Diaphragm in vertical position. Consult factory for other position orientations
Set Point Adjustment Screw adjustment
Weight Model 1626: 3 lb 9.8 oz (1.64 kg);
Model 1627: 3 lb 11.8 oz (1.69 kg)
Agency Approvals CE

• Damper positioning
• Duct air control

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