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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size - Compact Piston Flow Switches
GEMS SENSORSCompact Piston Flow Switches

GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size

The GEMS SENSORS Liquid Flow Switch is a compact piston flow switch with a fixed set point and normally closed SPST switch. It features a brass body with 1/4 in FNPT connections and a DC contact rating of 20 V. This…

SKU 3G-OTH-89696

Brand
GEMS SENSORS
Item
Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size
Category
Compact Piston Flow Switches
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Technical Specifications

GEMS SENSORS
Manufacturer Part Number
FS-927, 70828
Type
Brass, FNPT, SPST
FNPT
1/4 in
Set Point Type
Fixed
Connection Size
1/4 in
Switch Position
Normally Closed
Contact Rating (DC)
20 V
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GEMS SENSORS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GEMS SENSORS Liquid Flow Switch is a compact piston flow switch with a fixed set point and normally closed SPST switch. It features a brass body with 1/4 in FNPT connections and a DC contact rating of 20 V. This model is identified by manufacturer part numbers FS-927 and 70828.

Frequently Asked Questions

What is a GEMS SENSORS liquid flow switch used for?

A GEMS SENSORS liquid flow switch detects the presence or absence of liquid flow in a pipe. It is commonly used in industrial applications such as cooling systems, lubrication circuits, and process control to trigger an alarm or shut down equipment when flow stops.

What are the specifications of the GEMS SENSORS FS-927 flow switch?

The GEMS SENSORS FS-927 (MPN 70828) is a compact piston flow switch with a brass body and 1/4 in FNPT connections. It has a fixed set point, normally closed SPST switch, and a DC contact rating of 20 V. It is designed for liquid service.

Where to buy a GEMS SENSORS liquid flow switch worldwide?

3G Electric supplies and delivers the GEMS SENSORS FS-927 liquid flow switch worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a GEMS SENSORS piston flow switch?

Install the GEMS SENSORS flow switch in a vertical or horizontal pipe section with flow in the direction of the arrow on the body. Use thread sealant on the 1/4 in FNPT connections. Wire the normally closed SPST switch according to your control circuit, ensuring the DC contact rating of 20 V is not exceeded.

Used in

Common applications for GEMS SENSORS
Burner management — GEMS SENSORS FS-4 piston flow switch for monitoring cooling water flow in industrial burners
Pump protection — GEMS SENSORS FS-380 high-pressure flow switch to detect loss of flow in pump systems
Process control — GEMS SENSORS 230500 thermal-dispersion flow switch for low-flow detection in chemical processes
Cooling systems — GEMS SENSORS RFS flow sight with remote output for visual and electrical flow indication in heat exchangers
Water treatment — GEMS SENSORS FT-110 turbine flow sensor for measuring flow rates in filtration systems
Hydraulic systems — GEMS SENSORS FS-500 polypropylene piston flow switch for corrosive fluid monitoring in hydraulic circuits

GEMS SENSORS Products

3G Electric supplies GEMS SENSORS compact piston flow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70829). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70822). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPDT (MPN FS-926, 26941). Key specifications — Brand: GEMS SENSORS; Hazardous Location Specification: Class I, Div 2, Group A, B, C, D; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPDT (MPN FS-926, 26941). Key specifications — Brand: GEMS SENSORS; Hazardous Location Specification: Class I, Div 2, Group A, B, C, D; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPDT (MPN FS-926, 26938). Key specifications — Brand: GEMS SENSORS; Hazardous Location Specification: Class I, Div 2, Group A, B, C, D; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70820). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70820). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70831). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70831). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70823). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70823). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70821). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70821). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70827). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70827). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70825). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Open; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70830). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
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GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70830). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70826). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.
GEMS SENSORS
GEMS SENSORS Liquid Flow Switch: Piston, Brass, 1/4 in FNPT, 1/4 in Connection Size, FNPT, SPST (MPN FS-927, 70826). Key specifications — Brand: GEMS SENSORS; Set Point Type: Fixed; Switch Position: Normally Closed; Contact Rating (DC): 20 V.