Designed for installation in pipe lines from 1-1/4” and up, Gems standard FS-550 switches sense liquid flow in either direction to monitor flow/no-flow conditions. They are supplied in two paddle lengths, the paddle being trimmed during installation to permit switch actuation at the desired flow rate. As flow increases in a pipe, the paddle of the switch pivots to move out of the liquid path, producing less than 3 PSIG of pressure drop regardless of pipe size. Specifications - Housing: Brass or 316 Stainless Steel
- Paddle: 302 Stainless Steel
- Spring: 316 Stainless Steel
- Other Wetted Parts: Ceramic and Teflon®
- Maximum Operating Pressure: 2000 PSIG
- Pressure Drop: 3 PSIG Maximum
- Operating Temperature: -30°F to + 300°F (-34.4°C to + 148.9°C)
- Set Point Accuracy: ± 25%
- Switch: SPDT, 20 VA
- Repeatability: ± 5%
- Electrical Termination: No. 18 AWG, 24” L., Polymeric Lead Wires
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