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Dwyer Series 1950 Explosion-Proof Differential Pressure Switch - Hazardous Location Adjustable Set-Point Air Pressure Switches
DwyerHazardous Location Adjustable Set-Point Air Pressure Switches

Dwyer Series 1950 Explosion-Proof Differential Pressure Switch

The Dwyer Series 1950 Explosion Proof Differential Adjustable Set-Point Air Pressure Switch is a hazardous-location-rated device with a NEMA-3 enclosure and SPDT switch. It is adjustable from 4 in wc to 20 in wc and…

SKU 3G-OTH-68262

Also listed as: 1950202F · 1950 20 2F

Brand
Dwyer
Item
Series 1950 Explosion-Proof Differential Pressure Switch
Category
Hazardous Location Adjustable Set-Point Air Pressure Switches
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
1950-20-2F
Type
4 in wc to 20 in wc, NEMA-3 Enclosure, SPDT, NPT
NPT
1/8 in

Technical Documents

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer Series 1950 Explosion Proof Differential Adjustable Set-Point Air Pressure Switch is a hazardous-location-rated device with a NEMA-3 enclosure and SPDT switch. It is adjustable from 4 in wc to 20 in wc and features a 1/8 in NPT connection (MPN 1950-20-2F).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dwyer Series 1950 explosion-proof differential pressure switch used for?

The Dwyer Series 1950 is used to monitor or control air pressure in hazardous locations. It is suitable for environments requiring explosion-proof protection, such as oil refineries, chemical plants, and gas-handling facilities, where flammable gases or vapors may be present.

What are the specifications of the Dwyer 1950-20-2F pressure switch?

The Dwyer 1950-20-2F has an adjustable set-point range of 4 in wc to 20 in wc. It features a NEMA-3 enclosure, SPDT switch output, and 1/8 in NPT pressure connections. This model is designed for explosion-proof service in hazardous locations.

Where to buy the Dwyer 1950-20-2F pressure switch worldwide?

3G Electric supplies the Dwyer 1950-20-2F pressure switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this explosion-proof differential pressure switch.

How to install the Dwyer Series 1950 explosion-proof pressure switch?

Install the Dwyer Series 1950 in a location that meets NEMA-3 requirements for outdoor or wet environments. Use 1/8 in NPT fittings for pressure connections. Ensure wiring complies with local electrical codes and the SPDT contacts are correctly rated for your control circuit. Always follow the manufacturer's manual for hazardous-area installation.

Used in

Common applications for Dwyer
Combustion 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
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Dwyer Products

3G Electric supplies Dwyer hazardous location 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.

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