Dwyer SFI-300-1/2 Bronze Sight Flow Indicator with Impeller, 1/2" FNPT
The Dwyer SFI-300-1/2 is a window sight flow indicator with an impeller rotor, designed for gear lube media in vertical-up flow. It features a bronze wetted body, tempered glass sight, Buna-N seal, and 1/2-inch FNPT…
SKU 3G-OTH-92168
Also listed as: SFI30012 · SFI 300 1 2 · SFI-300-1-2
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The Dwyer SFI-300-1/2 is a window sight flow indicator with an impeller rotor, designed for gear lube media in vertical-up flow. It features a bronze wetted body, tempered glass sight, Buna-N seal, and 1/2-inch FNPT connections.
Frequently Asked Questions
What is the Dwyer SFI-300-1/2 sight flow indicator used for?
The Dwyer SFI-300-1/2 is used to visually confirm gear lube flow in industrial lubrication systems. Its impeller rotor spins when flow is present, providing a clear indication through the tempered glass window. It is designed for vertical-up flow orientation and is commonly applied in gearboxes, compressors, and circulating oil systems.
What are the specifications of the Dwyer SFI-300-1/2?
The Dwyer SFI-300-1/2 has a bronze wetted body, tempered glass sight, and Buna-N seal. It uses 1/2-inch FNPT connections and is rated for gear lube media with vertical-up flow direction. The manufacturer part number is SFI-300-1/2. It is a window sight flow indicator with an impeller rotor.
Where to buy the Dwyer SFI-300-1/2 worldwide?
3G Electric supplies the Dwyer SFI-300-1/2 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this Dwyer flow indicator to any country.
How to install the Dwyer SFI-300-1/2 sight flow indicator?
Install the Dwyer SFI-300-1/2 in a vertical-up pipe run using 1/2-inch FNPT connections. Ensure flow direction matches the arrow on the body. Use thread sealant on the NPT threads and tighten to standard torque. The tempered glass window should face outward for easy viewing of the impeller rotor.
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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.
