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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 3G-OTH-89867) is an inline hazardous-location switch for liquids, designed for pipe sizes of 3/8 in. It features a contact rating of 5 A @ 125/250V AC and 5 A Resistive @ 30V…

SKU 3G-OTH-89867

Also listed as: V6EPBBD4MI · V6EPB B D 4 MI

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-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
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 II, Div 1 and 2, Group E, F, G

Technical Documents

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

Product Description

The DWYER Liquid Flow Switch: Paddle (SKU 3G-OTH-89867) is an inline hazardous-location switch for liquids, designed for pipe sizes of 3/8 in. It features a contact rating of 5 A @ 125/250V AC and 5 A Resistive @ 30V DC (CSA, ATEX and IECEx Models). This brass switch with 1 1/4 in NPT connection carries a Hazardous Location Rating of Class II, Div 1 and 2, Group E, F, G.

Frequently Asked Questions

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

The DWYER V6EPB-B-D-4-MI is an inline paddle flow switch designed to detect liquid flow or no-flow conditions in hazardous locations rated Class II, Div 1 and 2, Groups E, F, G. It is commonly used in industrial processes, chemical plants, and refineries where flammable dusts are present.

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

The DWYER V6EPB-B-D-4-MI is a brass paddle flow switch for 3/8 in pipe size with a 1 1/4 in NPT connection. It has a contact rating of 5 A @ 125/250V AC and 5 A resistive @ 30V DC (CSA, ATEX and IECEx models). It carries a hazardous location rating of Class II, Div 1 and 2, Group E, F, G.

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

3G Electric supplies the DWYER V6EPB-B-D-4-MI flow 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; we source and deliver this Dwyer switch to any international destination.

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

Install the DWYER V6EPB-B-D-4-MI in a horizontal pipe section with the paddle oriented correctly for flow direction. Ensure the 1 1/4 in NPT connection is sealed with appropriate thread sealant. For hazardous locations, follow local electrical codes and verify the switch is de-energized during installation. Consult the Dwyer manual for paddle length adjustment.

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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