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> Gems sensors flow switch fs-550 30641
Gems sensors flow switch fs-550 30641
High Pressure, Metal Paddle Switch
Engineered for Positive Liquid Flow Detection at Pressures to 2000 PSIG (137.9 bar)
Unique, Patented Cam Design Assures Low Pressure Drop and Does not Require Bellows, Seals, or Mechanical Linkages
Minimum In-Line Restriction; Paddle Pivots to Move Out of Liquid Path with Increasing Flow
Pipe Line Size: 1 1/4" and up
Primary Construction Material: Stainless Steel or Brass
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 is 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 (.21 bar) of pressure drop regardless of pipe size.
Using Gems SAFE-PAK Relays and Barriers, these switches provide automatic flow / no flow interlock and are intrinsically-safe without explosion-proof housing and piping.
- Housing: Brass or 316 Stainless Steel
- Other Wetted Parts: Ceramic and Teflon
-30 F to +300 F (-34.4 C to +148.9 C)
No. 18 AWG, 24" L., Polymeric Lead Wires
