Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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-S-5-B. It is rated for pipe sizes of 3/8 in and features a brass body with 1 1/2 in NPT connections. The switch…

SKU 3G-OTH-89988

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
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dwyer
Manufacturer Part Number
V6EPB-B-S-5-B
Type
1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, NPT
NPT
1 1/2 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
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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-S-5-B. It is rated for pipe sizes of 3/8 in and features a brass body with 1 1/2 in NPT connections. The switch carries a hazardous location rating of Class I, Div 1 and 2, Group A, B, C, D, with AC contact ratings of 5 A @ 125/250V and DC contact ratings of 5 A Resistive @ 30V (CSA, ATEX and IECEx Models).

Frequently Asked Questions

What is the DWYER V6EPB-B-S-5-B liquid flow switch used for?

The DWYER V6EPB-B-S-5-B is an inline paddle flow switch designed to detect liquid flow in hazardous locations. It is commonly used in industrial processes, refineries, and chemical plants where flammable gases or vapors may be present, providing reliable flow/no-flow indication.

What are the specifications of the DWYER V6EPB-B-S-5-B flow switch?

The DWYER V6EPB-B-S-5-B has a brass body with 1 1/2 in NPT connections, for pipe sizes of 3/8 in. Its AC contact rating is 5 A @ 125/250V, and DC rating is 5 A resistive @ 30V (CSA, ATEX and IECEx models). It carries a hazardous location rating of Class I, Div 1 and 2, Group A, B, C, D.

Where to buy the DWYER V6EPB-B-S-5-B flow switch worldwide?

You can source the DWYER V6EPB-B-S-5-B flow switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility regardless of location.

How to install the DWYER V6EPB-B-S-5-B paddle flow switch?

Install the DWYER V6EPB-B-S-5-B by mounting it inline in a horizontal pipe section with the paddle oriented correctly for flow direction. Ensure the electrical connections are made per the hazardous location rating requirements. Always follow the manufacturer's installation manual and local electrical codes for safe operation.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/4 in NPT, NPT (MPN V6EPB-B-D-4-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/4 in NPT, NPT (MPN V6EPB-B-D-4-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 in NPT, NPT (MPN V6EPB-B-D-3-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 in NPT, NPT (MPN V6EPB-B-D-3-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/2 in NPT, NPT (MPN V6EPB-B-S-5-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 27 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/2 in NPT, NPT (MPN V6EPB-B-S-5-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 27 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/2 in NPT, NPT (MPN V6EPB-B-D-5-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/2 in NPT, NPT (MPN V6EPB-B-D-5-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/4 in NPT, NPT (MPN V6EPB-B-D-4-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/4 in NPT, NPT (MPN V6EPB-B-D-4-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/4 in NPT, NPT (MPN V6EPB-B-S-4-B). Key specifications — Brand: DWYER; Contact Rating (DC): 24 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 1/4 in NPT, NPT (MPN V6EPB-B-S-4-B). Key specifications — Brand: DWYER; Contact Rating (DC): 24 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.

More from Dwyer

View all Dwyer parts
DWYER Explosion Proof Air Flow Switc: Paddle, 3/4 in Female NPT For Pipe Size, Brass, 1 1/2 in NPT (MPN V4-2-U). Key specifications — Brand: DWYER; Contact Rating (DC): 3 A @ 30V DC (Inductive); For Pipe Size: 3/4 in Female NPT; Contact Rating (AC): 10 A @ 125/250V AC.
Dwyer
DWYER Explosion Proof Air Flow Switc: Paddle, 3/4 in Female NPT For Pipe Size, Brass, 1 1/2 in NPT (MPN V4-2-U). Key specifications — Brand: DWYER; Contact Rating (DC): 3 A @ 30V DC (Inductive); For Pipe Size: 3/4 in Female NPT; Contact Rating (AC): 10 A @ 125/250V AC.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 3/4 in NPT, NPT (MPN V6EPB-B-D-2-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/2 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 3/4 in NPT, NPT (MPN V6EPB-B-D-2-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/2 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 3/4 in NPT, NPT (MPN V6EPB-B-D-2-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 3/4 in NPT, NPT (MPN V6EPB-B-D-2-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 in NPT, NPT (MPN V6EPB-B-S-3-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 23 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 in NPT, NPT (MPN V6EPB-B-S-3-MI). Key specifications — Brand: DWYER; Contact Rating (DC): 23 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Stainless Steel, NPT (MPN V6EPS-S-S-LF). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Stainless Steel, NPT (MPN V6EPS-S-S-LF). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Stainless Steel, NPT (MPN V6EPS-S-S-1-S). Key specifications — Brand: DWYER; Contact Rating (DC): 40 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/4 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Stainless Steel, NPT (MPN V6EPS-S-S-1-S). Key specifications — Brand: DWYER; Contact Rating (DC): 40 A (Inductive) @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 1/4 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Stainless Steel, 2 in NPT (MPN V6EPS-S-S-6-S). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Stainless Steel, 2 in NPT (MPN V6EPS-S-S-6-S). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 3/8 in; Hazardous Location Rating: Class II, Div 1 and 2, Group E, F, G; Contact Rating (AC): 5 A @ 125/250V.
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 in NPT, NPT (MPN V6EPB-B-S-3-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1 in NPT, NPT (MPN V6EPB-B-S-3-B). Key specifications — Brand: DWYER; Contact Rating (DC): 5 A Resistive @ 30V (CSA, ATEX and IECEx Models); For Pipe Size: 2 in; Hazardous Location Rating: Class I, Div 1 and 2, Group A, B, C, D; Contact Rating (AC): 5 A @ 125/250V.