Dwyer Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Brass, 1 1/2 in NPT
The DWYER V4-2-U is an insertion-style hazardous-location liquid flow switch with a paddle actuator, designed for 1-1/2 in pipe size. It carries a Class I, Div 1 and 2, Group A, B, C, D hazardous location rating and…
SKU 3G-OTH-88485
Also listed as: V42U · V4 2 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
Need installation or engineering help?
Ask a question
Product Description
The DWYER V4-2-U is an insertion-style hazardous-location liquid flow switch with a paddle actuator, designed for 1-1/2 in pipe size. It carries a Class I, Div 1 and 2, Group A, B, C, D hazardous location rating and features a brass body with 1-1/2 in NPT connection. The switch offers AC contact ratings of 10 A @ 125/250V and DC contact ratings of 5 A resistive, 3 A inductive @ 30 VDC, with an MV option of 1 A @ 125 VAC, operating in temperatures from -4°F to 275°F.
Frequently Asked Questions
What is the DWYER V4-2-U liquid flow switch used for?
The DWYER V4-2-U is an insertion-style paddle flow switch for liquids in hazardous locations. It detects flow or no-flow conditions in pipes, commonly used in oil and gas, chemical processing, and industrial plants where flammable gases or vapors are present.
What are the specifications of the DWYER V4-2-U flow switch?
The DWYER V4-2-U has a brass body with 1-1/2 in NPT connection for 1-1/2 in pipe size. AC contact rating is 10 A @ 125/250V; DC rating is 5 A resistive, 3 A inductive @ 30 VDC, with an MV option of 1 A @ 125 VAC. Temperature range is -4°F to 275°F.
Where to buy the DWYER V4-2-U flow switch worldwide?
3G Electric supplies the DWYER V4-2-U liquid flow switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the DWYER V4-2-U paddle flow switch?
Install the DWYER V4-2-U by inserting the paddle into the pipe through a 1-1/2 in NPT fitting. Ensure the paddle is oriented correctly for flow direction. Follow standard hazardous-location wiring practices per Class I, Div 1 and 2, Group A, B, C, D requirements.
Used in
Common applications for DwyerDwyer Products
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.
