Dwyer Window Sight Flow Indicator with Impeller: Rotor, Bronze, 1/4 in FNPT
The DWYER SFI-300-1/4 is a Window Sight Flow Indicator with Impeller: Rotor, designed for water media in vertical down flow. It features a bronze body, 1/4 in FNPT connections, tempered glass sight, Buna-N seal, and…
SKU 3G-OTH-91932
Also listed as: SFI30014 · SFI 300 1 4 · SFI-300-1-4
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.
Need installation or engineering help?
Ask a question
Product Description
The DWYER SFI-300-1/4 is a Window Sight Flow Indicator with Impeller: Rotor, designed for water media in vertical down flow. It features a bronze body, 1/4 in FNPT connections, tempered glass sight, Buna-N seal, and PTFE wetted material.
Frequently Asked Questions
What is the Dwyer SFI-300-1/4 sight flow indicator used for?
The Dwyer SFI-300-1/4 is used to visually verify water flow in vertical-down piping systems. Its impeller rotor spins when flow is present, providing a clear indication through the tempered glass sight. Common applications include cooling water lines, process water monitoring, and pump discharge lines in industrial plants.
What are the specifications of the Dwyer SFI-300-1/4?
The Dwyer SFI-300-1/4 has a bronze body with 1/4 in FNPT connections, a tempered glass sight window, Buna-N seal, and PTFE wetted parts. It is designed for water media with vertical-down flow direction. The manufacturer part number is SFI-300-1/4.
Where to buy the Dwyer SFI-300-1/4 worldwide?
3G Electric supplies the Dwyer SFI-300-1/4 sight flow indicator to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this item. We source genuine Dwyer products for global industrial applications.
How to install a Dwyer SFI-300-1/4 sight flow indicator?
Install the Dwyer SFI-300-1/4 in a vertical pipe section with flow moving downward. Apply thread sealant to the 1/4 in FNPT connections and tighten to manufacturer torque specs. Ensure the tempered glass sight is clean and unobstructed. Verify the impeller rotor spins freely before pressurizing the line.
Used in
Common applications for DwyerDwyer 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.
