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FS-930 Series Oil Flow Switch
Brand: Gems Sensors, Inc
A unique, patented piston design assures accuracy within 20% over a full range of viscosities from 40 to 2000 SSU.
Ideal for use in applications where liquids of different viscosities are blended; or for use in lubrication systems where oil flow monitoring is critical at start-ups.
Switch compensates for viscosity changes automatically. Each unit is factory preset, using 300 SSU oil, for actuation at specified flow rates.
Features- Flow Rate Settings: 0.1 GPM to 1.0 GPM
- Port Size: 1/4˝ NPT
- Primary Construction Material: Brass
- Setting Type: Fixed
Specifications
Brand
Accuracy
- Set Point Accuracy: ± 10 %
- Set Point Differential: 15 %, Max.
Approvals & Certifications
- CE
- FM for Class I, Div. 1, Group D Hazardous Location
- RoHS
- UL: Class I, Div. 2, Grade A, B, C, D & File No. E31926
- UR
Burst Pressure
- psig: 5,000 (kPa: 34,470, bar: 344.7)
Conduit Connection
- 1/2” NPT Female
Electrical Connectors
- 18 AWG, 24” (61 cm), Polymeric Lead Wires
Electrical Contacts
- Normally Closed
- Normally Open
Electrical Rating
- Switch: 20 VA
Enclosure, Body Material
- Brass
Flow Rate
- 0.1 to 1.0 gpm
Media
- Viscous Media
NPT Connection
- 1/4” NPT Female
O-Ring Material
- Viton
Operating Pressure
- psig: 1,000 (kPa: 6,895, bar: 68.95) - Max.
Operating Temperature
- -29° to 149° C (-20° to 300° F)
Piston Material
- Brass
Proof Pressure
- psig: 2,500 (kPa: 17,240, bar: 172.4)
Repeatability
- 1 %, Max.
Spring Material
- 316 Stainless Steel
Switch Type
- SPDT
Wetted Materials
- Epoxy