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Series-SFI-400
SFI-400 Premium Sight Flow Indicators, Threaded/Flanged, Cast Iron/SS
- Tube-style viewing design offers full-width visibility and rotating impeller for flow indication
- 316 SS body (optional brass) with tempered glass tube withstands industrial service
- Available in threaded or ANSI-flanged connections, sizes from ¾″ to 4″ (or larger)
- Compatible with liquids and gases; dual-window and no-indicator versions available for harsh media
Series-SFI-400
From
AUD
1,802.26
Product Overview
- Applications Fluid Measurement and Control, Oil
- Media Compatibility Consult Factory
- Operating Temperature, Max 200 °F
- Measurement Pressure Type Gauge
- Requires Factory Media Review true
- Series ID Series-SFI-400
Supported Applications
The Dwyer Series SFI-400 Premium Sight Flow Indicators are designed to display flow or contents in pipelines. The series is specified for service with compatible gases and liquids.
Operating Conditions & Performance
Performance limits for the SFI-400 tube-style indicators are defined by specific temperature and pressure ratings found in the specification tables:
- Temperature Limit: 200°F (93°C)
- Pressure Limit: 50 psig (3.45 bar)
The SFI-400 features glass tube construction, offering easy flow viewing from any angle.
Configuration Options
The Series SFI-400 is available in multiple configurations regarding body material and process connections. The series supports the following documented options:
- Body Materials: Cast iron (available for 1 through 2 inch sizes) or 316 SS.
- Tubing Material: Borosilicate tube with PTFE gaskets.
- Process Connections: Female NPT threaded connections and raised face flange connections (available for 1 inch and up sizes).
The series offers a range of body sizes to accommodate different pipeline diameters, including 1/2, 3/4, 1, 1-1/4, 1-1/2, 2, 3, and 4 inch connection sizes.
Key Product Differences
The SFI-400 series distinguishes itself within the broader Midwest Sight Flow Indicator family by its tube viewing style. Specific model designators indicate construction details:
- SFI-400CI: Female NPT connections with a cast iron body (only for 1 through 2 inch sizes).
- SFI-400SS: Female NPT connections with a 316 SS body.
- SFI-400F: Raised face flange connection with a 316 SS body (only for 1 inch and up sizes).
PDFs & Manuals
