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Dwyer Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT - Insertion-Style Hazardous-Location Switches for Liquids
DwyerInsertion-Style Hazardous-Location Switches for Liquids

Dwyer Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT

The DWYER V4-SS-2-U is an insertion-style hazardous-location liquid flow switch with a paddle design, suitable for 1-1/2 in pipe sizes. It features SPDT contacts with AC ratings of 10 A @ 125/250V and DC ratings of 5…

SKU 3G-OTH-88587

Brand
Dwyer
Item
Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT
Category
Insertion-Style Hazardous-Location Switches for Liquids
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Technical Specifications

Dwyer
Manufacturer Part Number
V4-SS-2-U
Type
Stainless Steel, NPT, SPDT
NPT
1 1/2 in
For Pipe Size
1-1/2 in
Contact Rating (AC)
10 A @ 125/250V
Contact Rating (DC)
5 A res., 3 A ind. @ 30 VDC . MV option: 1 A @125 VAC
Hazardous Location Rating
Class II, Div 1 and 2, Group E, F, G
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER V4-SS-2-U is an insertion-style hazardous-location liquid flow switch with a paddle design, suitable for 1-1/2 in pipe sizes. It features SPDT contacts with AC ratings of 10 A @ 125/250V and DC ratings of 5 A resistive, 3 A inductive @ 30 VDC, with an MV option of 1 A @ 125 VAC. This stainless-steel switch carries a hazardous location rating of Class II, Div 1 and 2, Groups E, F, G, and connects via 1-1/2 in NPT.

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 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.

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