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Dwyer SFI-300SS-1 Window Sight Flow Indicator with Impeller Rotor - Flow Sights with Indicator
DwyerFlow Sights with Indicator

Dwyer SFI-300SS-1 Window Sight Flow Indicator with Impeller Rotor

The DWYER SFI-300SS-1 is a window sight flow indicator with an impeller rotor, designed for non-corrosive fluids in vertical-up flow. It features a 316 stainless steel body, 1-inch FNPT connections, a tempered glass…

SKU 3G-OTH-92372

Also listed as: SFI300SS1 · SFI 300SS 1

Brand
Dwyer
Item
SFI-300SS-1 Window Sight Flow Indicator with Impeller Rotor
Part Number
SFI-300SS-1
Category
Flow Sights with Indicator
Available to Order
Also known as:SFI-300SS-1Dwyer
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Technical specs
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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
SFI-300SS-1
Type
FNPT, Buna-N
Seal Material
Buna-N
Flow Direction
Vertical Up
For Media Type
Non-Corrosive Fluids
Sight Material
Tempered Glass
Stainless Steel
316
Wetted Material
ABS

Technical Documents

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

Product Description

The DWYER SFI-300SS-1 is a window sight flow indicator with an impeller rotor, designed for non-corrosive fluids in vertical-up flow. It features a 316 stainless steel body, 1-inch FNPT connections, a tempered glass sight, and Buna-N seals with ABS wetted material.

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 SFI-300SS-1 window sight flow indicator used for?

The DWYER SFI-300SS-1 is used to visually verify flow of non-corrosive fluids in piping systems. Its impeller rotor spins when fluid flows, providing a clear indication through the tempered glass sight. It is commonly applied in industrial process lines, water treatment, and HVAC systems where vertical-up flow direction is required.

What are the specifications of the DWYER SFI-300SS-1?

The DWYER SFI-300SS-1 has a 316 stainless steel body, 1-inch FNPT connections, and a tempered glass sight. It is designed for non-corrosive fluids with vertical-up flow direction. Seal material is Buna-N, wetted material is ABS, and the manufacturer part number is SFI-300SS-1.

Where to buy the DWYER SFI-300SS-1 worldwide?

You can source the DWYER SFI-300SS-1 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this flow sight indicator.

How to install the DWYER SFI-300SS-1 flow indicator?

Install the DWYER SFI-300SS-1 in a vertical pipe section with flow moving upward. Ensure the FNPT connections are properly sealed with thread sealant compatible with Buna-N. Avoid overtightening to prevent damage to the tempered glass sight. Always verify flow direction matches the indicator's design before 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
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Dwyer Products

3G Electric supplies Dwyer flow sights with indicator. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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