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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 (SKU 55EH20) is an inline hazardous-location switch for liquids, rated Class I, Div 1 and 2, Group A, B, C, D. It is designed for a 1/4 in pipe size with a brass body and 1 1/4 in…

SKU 3G-OTH-89175

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 Specifications

Dwyer
Manufacturer Part Number
V6EPB-B-S-4-MI
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
1/4 in
Contact Rating (AC)
5 A @ 125/250V
Contact Rating (DC)
25 A (Inductive) @ 30V (CSA, ATEX and IECEx Models)
Hazardous Location Rating
Class I, Div 1 and 2, Group A, B, C, D
View Full Spec Sheet

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

Product Description

The DWYER Liquid Flow Switch: Paddle (SKU 55EH20) is an inline hazardous-location switch for liquids, rated Class I, Div 1 and 2, Group A, B, C, D. It is designed for a 1/4 in pipe size with a brass body and 1 1/4 in NPT connection. The switch offers a contact rating of 5 A @ 125/250V AC and 25 A (Inductive) @ 30V DC (CSA, ATEX and IECEx Models).

Frequently Asked Questions

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

The DWYER V6EPB-B-S-4-MI is a paddle-type liquid flow switch designed for hazardous locations rated Class I, Div 1 and 2, Groups A, B, C, D. It detects flow or no-flow conditions in pipes from 1/4 in to 2 in, commonly used in chemical plants, refineries, and other explosive environments.

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

The DWYER V6EPB-B-S-4-MI has a brass body with 1 1/4 in NPT connection, for pipe sizes 1/4 in, 1/2 in, 2 in, or 3/8 in. Contact ratings are 5 A @ 125/250V AC and 25 A inductive @ 30V DC (CSA, ATEX, IECEx models). It carries hazardous location rating Class I, Div 1 and 2, Group A, B, C, D.

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

3G Electric supplies the DWYER V6EPB-B-S-4-MI flow switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this hazardous-location switch to any country.

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

Install the DWYER V6EPB-B-S-4-MI in a horizontal pipe section with the paddle oriented against flow direction. Use the 1 1/4 in NPT connection and ensure the pipe size matches one of the four provided paddles (1/4 in, 1/2 in, 2 in, or 3/8 in). Follow local electrical codes for hazardous locations.

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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