We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Dwyer Liquid Flow Switch: Paddle, 1 in For Pipe Size, Brass, 1 in NPT, 1 in Connection Size - Insertion-Style Switches for Liquids
DwyerInsertion-Style Switches for Liquids

Dwyer Liquid Flow Switch: Paddle, 1 in For Pipe Size, Brass, 1 in NPT, 1 in Connection Size

The Dwyer Liquid Flow Switch is an insertion-style paddle switch for liquids, designed for 1-inch pipe sizes. It features a brass body with 1-inch NPT connections and offers contact ratings of 10 A at 125 VAC and 1/8…

SKU 3G-OTH-93482

Also listed as: V7WBS30N · V7 WBS 30N

Brand
Dwyer
Item
Liquid Flow Switch: Paddle, 1 in For Pipe Size, Brass, 1 in NPT, 1 in Connection Size
Category
Insertion-Style Switches for Liquids
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
V7-WBS-30N
Type
Brass, NPT
NPT
1 in
For Pipe Size
1 in
Connection Size
1 in
Contact Rating (AC)
10 A @ 125V
Contact Rating (DC)
1/8 hp @ 125 VAC, 1/4 hp @ 250 VAC.

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 is an insertion-style paddle switch for liquids, designed for 1-inch pipe sizes. It features a brass body with 1-inch NPT connections and offers contact ratings of 10 A at 125 VAC and 1/8 hp at 125 VAC or 1/4 hp at 250 VAC. This switch is identified by manufacturer part number V7-WBS-30N.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dwyer V7-WBS-30N liquid flow switch used for?

The Dwyer V7-WBS-30N is an insertion-style paddle switch that detects liquid flow in 1-inch pipes. It is commonly used in HVAC, water treatment, and industrial process systems to trigger alarms or control pumps when flow starts or stops.

What are the specifications of the Dwyer V7-WBS-30N flow switch?

The Dwyer V7-WBS-30N has a brass body with 1-inch NPT connections for 1-inch pipe size. Its AC contact rating is 10 A at 125 V, and its DC contact ratings are 1/8 hp at 125 VAC and 1/4 hp at 250 VAC. The manufacturer part number is V7-WBS-30N.

Where to buy the Dwyer V7-WBS-30N flow switch worldwide?

You can source the Dwyer V7-WBS-30N flow switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct Dwyer part for your application.

How to install a Dwyer paddle flow switch?

Install the Dwyer paddle flow switch by threading the 1-inch NPT brass body into a tee or weldment on the pipe. Ensure the paddle is oriented correctly for the flow direction. Wire the switch according to your control circuit, respecting the AC or DC contact ratings. Always follow local electrical codes.

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 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 2 in NPT, NPT (MPN V6EPB-B-D-6-0)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 2 in NPT, NPT (MPN V6EPB-B-D-6-0)
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1/2 in NPT, NPT (MPN V6EPB-B-S-6-0)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/1/4 in/2 in/3/8 in For Pipe Size, Brass, 1/2 in NPT, NPT (MPN V6EPB-B-S-6-0)
DWYER Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT, NPT, DPDT (MPN V4-SS-2-D-U)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT, NPT, DPDT (MPN V4-SS-2-D-U)
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-D-6-0)
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-D-6-0)
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-6-0)
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-6-0)
DWYER Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT, NPT, SPDT (MPN V4-SS-2-U)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1 1/2 in For Pipe Size, Stainless Steel, 1 1/2 in NPT, NPT, SPDT (MPN V4-SS-2-U)

More from Dwyer

View all Dwyer parts
DWYER Liquid Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Stainless Steel, 1/2 in NPT, NPT, SPST (MPN V10SS)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Stainless Steel, 1/2 in NPT, NPT, SPST (MPN V10SS)
DWYER Liquid Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Brass, 1/2 in NPT, NPT, -4°F to 200°F (MPN V10)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Brass, 1/2 in NPT, NPT, -4°F to 200°F (MPN V10)
DWYER Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Stainless Steel, 1/2 in NPT, NPT, 0°F to 200°F (MPN V10SS)
Dwyer
DWYER Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Stainless Steel, 1/2 in NPT, NPT, 0°F to 200°F (MPN V10SS)
DWYER Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Brass, 1/2 in NPT, 1/2 in Connection Size, NPT (MPN V10)
Dwyer
DWYER Flow Switch: Paddle, 1/2 in/2 in For Pipe Size, Brass, 1/2 in NPT, 1/2 in Connection Size, NPT (MPN V10)
DWYER Liquid Flow Switch: Paddle, 1 in/6 in For Pipe Size, PPS, 1 in NPT, 1 in Connection Size, NPT (MPN V8)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1 in/6 in For Pipe Size, PPS, 1 in NPT, 1 in Connection Size, NPT (MPN V8)
DWYER Liquid Flow Switch: Paddle, 1 in/6 in For Pipe Size, PPS, 1 in NPT, 1 in Connection Size, NPT (MPN V8-WP)
Dwyer
DWYER Liquid Flow Switch: Paddle, 1 in/6 in For Pipe Size, PPS, 1 in NPT, 1 in Connection Size, NPT (MPN V8-WP)