DwyerAdjustable Set-Point Air Pressure Switches
Dwyer Pressure Switch: Adj
The DWYER 1638-10 is an adjustable set-point air pressure switch with a range of 3 in wc to 12 in wc. It features a single-pole double-throw (SPDT) switching action, a 1/8 in sample line connection, and a conduit box…
SKU 3G-OTH-69646
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The DWYER 1638-10 is an adjustable set-point air pressure switch with a range of 3 in wc to 12 in wc. It features a single-pole double-throw (SPDT) switching action, a 1/8 in sample line connection, and a conduit box enclosure. The switch operates at 125V AC.
Used in
Common applications for DwyerCombustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management
Dwyer Products
3G Electric supplies Dwyer adjustable set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
