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Dwyer Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass - Inline Hazardous-Location Switches for Liquids
DwyerInline Hazardous-Location Switches for Liquids

Dwyer Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass

The DWYER Liquid Flow Switch: Paddle is an inline hazardous-location switch for liquids, model V6EPB-B-D-4-B. It is rated for Class I, Div 1 and 2, Group A, B, C, D hazardous locations and fits a 3/8 in pipe size…

SKU 3G-OTH-89827

Also listed as: V6EPBBD4B · V6EPB B D 4 B

Brand
Dwyer
Item
Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass
Category
Inline Hazardous-Location Switches for Liquids
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
V6EPB-B-D-4-B
Type
1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, NPT
NPT
1 1/4 in
For Pipe Size
3/8 in
Contact Rating (AC)
5 A @ 125/250V
Contact Rating (DC)
5 A Resistive @ 30V (CSA, ATEX and IECEx Models)
Hazardous Location Rating
Class I, Div 1 and 2, Group A, B, C, D

Technical Documents

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

Product Description

The DWYER Liquid Flow Switch: Paddle is an inline hazardous-location switch for liquids, model V6EPB-B-D-4-B. It is rated for Class I, Div 1 and 2, Group A, B, C, D hazardous locations and fits a 3/8 in pipe size. The switch has a contact rating of 5 A @ 125/250V AC and 5 A Resistive @ 30V DC (CSA, ATEX and IECEx Models).

Frequently Asked Questions

What is the DWYER V6EPB-B-D-4-B liquid flow switch used for?

The DWYER V6EPB-B-D-4-B is a paddle-type liquid flow switch designed for inline hazardous-location monitoring. It detects flow or no-flow conditions in pipes carrying liquids, making it suitable for chemical plants, refineries, and other environments requiring Class I, Div 1 and 2, Groups A–D ratings.

What are the specifications of the DWYER V6EPB-B-D-4-B flow switch?

The DWYER V6EPB-B-D-4-B has a 3/8 in pipe size, brass body, and 1 1/4 in NPT connection. Its AC contact rating is 5 A @ 125/250V, and its DC contact rating is 5 A resistive @ 30V (CSA, ATEX, and IECEx models). It is rated for Class I, Div 1 and 2, Groups A, B, C, D hazardous locations.

Where to buy the DWYER V6EPB-B-D-4-B flow switch worldwide?

You can source the DWYER V6EPB-B-D-4-B flow switch worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine Dwyer components for hazardous-location applications.

How to install the DWYER V6EPB-B-D-4-B paddle flow switch?

Install the DWYER V6EPB-B-D-4-B in a horizontal pipe section with the paddle oriented correctly for flow direction. Ensure the pipe is clean and the NPT threads are sealed with approved tape or compound. For hazardous locations, follow local electrical codes and verify the switch is properly grounded before energizing.

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

Dwyer Products

3G Electric supplies Dwyer inline hazardous-location switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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