Dwyer Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Brass, 1 1/2 in NPT
The Dwyer V4-2-D-U is an insertion-style hazardous-location liquid flow switch with a paddle design, for pipe sizes of 1-1/2 inches. It features a brass body with 1-1/2 inch NPT connections and is rated for Class I…
SKU 3G-OTH-88509
Also listed as: V42DU · V4 2 D U
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Dwyer V4-2-D-U is an insertion-style hazardous-location liquid flow switch with a paddle design, for pipe sizes of 1-1/2 inches. It features a brass body with 1-1/2 inch NPT connections and is rated for Class I, Divisions 1 and 2, Groups A, B, C, D hazardous locations. The switch offers a contact rating of 10 A at 125/250 VAC (UL, FM, ATEX, IECEx models) or 5 A at 125/250 VAC (CSA models), with an operating temperature range of -4°F to 275°F.
Frequently Asked Questions
What is the Dwyer V4-2-D-U liquid flow switch used for?
The Dwyer V4-2-D-U is an insertion-style paddle flow switch designed to detect liquid flow or no-flow conditions in pipes. It is commonly used in industrial process systems, HVAC, and chemical plants where hazardous locations (Class I, Div 1 and 2, Groups A–D) require a reliable, explosion-proof flow switch.
What are the specifications of the Dwyer V4-2-D-U flow switch?
The Dwyer V4-2-D-U has a brass body with 1-1/2 in NPT connections, for pipe sizes of 1-1/2 in. Contact rating is 10 A @ 125/250 VAC (UL/FM/ATEX/IECEx models) or 5 A @ 125/250 VAC (CSA models). Operating temperature range is -4°F to 275°F. Hazardous location rating: Class I, Div 1 and 2, Groups A, B, C, D.
Where to buy the Dwyer V4-2-D-U flow switch worldwide?
3G Electric supplies the Dwyer V4-2-D-U liquid flow switch to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Dwyer paddle flow switch.
How to install a Dwyer V4-2-D-U paddle flow switch?
Install the Dwyer V4-2-D-U by inserting the paddle into a 1-1/2 in NPT tee or weldment in the pipe. Ensure the flow arrow on the body aligns with actual flow direction. Tighten the brass fitting to prevent leaks. For hazardous locations, follow NEC/CEC wiring methods and use approved conduit seals.
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3G Electric supplies Dwyer insertion-style hazardous-location switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
