Dwyer Instruments SERIES GVS Catalog Page

1 NPT

1-25/32 HEX

®

SERIES GVS

GLOBE VALVE SWITCH

Adjustable Set Point, Rugged Bronze Construction, Straight Through Flow

The Series GVS Globe Valve Switch offers accurate ow detection with 1%
repeatability and external adjustability over a broad range of ow settings for
compatible liquids.

FEATURES/BENEFITS

• Externally adjustable ow set point

• Durable construction delivers long-life reliability in either water or oil

• Ample space for ow to pass keep pressure drop low

APPLICATIONS

• Detection of improper ow rates in high volume lubrication

• Low ow detection in cooling lines

• Flow detection in process systems

MODEL CHART
Model Actuation Set Point Range GPM (LPM)
GVS-111

GVS-112
GVS-113

1.0 to 6.0 (3.8 to 22.7)

5.0 to 15.0 (18.9 to 56.8)

2.0 to 8.0 (7.6 to 30.3)

SPECIFICATIONS
Service: Compatible liquids.

Wetted Materials: Housing: Bronze; Shuttle: TFE; Bonnet: Bronze; Spring: 316

SS.; Other: Fluoroelastomer, ceramic.

Temperature Limits: -20 to 200°F (-29 to 93°C).
Pressure Limits: 400 psig (27 bar) @ 100°F (38°C).
Accuracy: ±10%.
Repeatability: 1% maximum deviation.
Switch Type: SPDT.
Electrical Rating: .17 A @ 120 VAC, .08 A @ 240 VAC, .13 A @ 120 VDC, .06 A @

240 VDC.

Electrical Connections: 18 AWG, 24˝ (61 cm), polymeric lead wires.
Process Connections: 1˝ female NPT.
Mounting Orientation: Any position. Set points shown are based on horizontal,

lead wires up positional.

Required Filtration: 150 microns or better.
Weight: 2 lb, 8 oz (1.16 kg).

USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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