Flow

Here you will find flow meters and indicators, switches and air meters. They are used in boilers, hot water heaters and chillers, pumps, motors, auxiliary pumps and engines and for general use. Find a wide selection to fit your application.


Dwyer V4-2-MT-U Flow Switch, Universal Vane, Brass 400°F (204°C)-

Dwyer V4-2-MT-U Flow Switch, Universal Vane, Brass 400°F (204°C)
Model: V4-2-MT-U | Order No: V4-2-U-MT

Sale Price $783.24 USD
Regular Price $856.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $783.24 USD
Regular Price $856.00 USD
Availability 3 to 4 Weeks
Quantity

Dwyer V4-2-D-U Flow Switch, Universal Vane, Brass DPDT-

Dwyer V4-2-D-U Flow Switch, Universal Vane, Brass DPDT
Model: V4-2-D-U

Sale Price $782.33 USD
Regular Price $855.00 USD
Availability 5 Days

Qty:

Sale Price $782.33 USD
Regular Price $855.00 USD
Availability 5 Days
Quantity

Dwyer SFI-400SS-3/4 Indicator, Sight Flow, 3/4"NPT, Tube, 316SS Body-

Dwyer SFI-400SS-3/4 Indicator, Sight Flow, 3/4"NPT, Tube, 316SS Body
Model: SFI-400SS-3/4

Sale Price $781.73 USD
Regular Price $854.35 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $781.73 USD
Regular Price $854.35 USD
Availability 8 to 9 Weeks
Quantity

Dwyer HFL-4-25 In-Line Oil Flow Monitor, 2 to 25GPM-

Dwyer HFL-4-25 In-Line Oil Flow Monitor, 2 to 25GPM
Model: HFL-4-25

Sale Price $773.18 USD
Regular Price $845.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $773.18 USD
Regular Price $845.00 USD
Availability 2 to 3 Weeks
Quantity

Dwyer V6EPS-S-S-5-FS Flotect Switch, SPDT, 1-1/2", SS/Forged Steel-

Dwyer V6EPS-S-S-5-FS Flotect Switch, SPDT, 1-1/2", SS/Forged Steel
Model: V6EPS-S-S-5-FS

Sale Price $739.36 USD
Regular Price $808.04 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $739.36 USD
Regular Price $808.04 USD
Availability 1 to 2 Weeks
Quantity

Dwyer SFI-400SS-1/2 Indicator, Sight Flow, 1/2" NPT, Tube, 316SS Body-

Dwyer SFI-400SS-1/2 Indicator, Sight Flow, 1/2" NPT, Tube, 316SS Body
Model: SFI-400SS-1/2

Sale Price $720.56 USD
Regular Price $787.50 USD
Availability 8 to 9 Weeks

Qty:

Sale Price $720.56 USD
Regular Price $787.50 USD
Availability 8 to 9 Weeks
Quantity

Dwyer AFG Series Averaging Flow Grids-

Dwyer AFG Series Averaging Flow Grids

The AFG Flow Grid is a fundamental pressure sensing device designed to transmit a continuous differential pressure signal. When this output is connected to a suitable measuring instrument (i.e., manometer, pressure transducer, etc.), it may be used to determine air velocity and volume flow rate.


Dwyer V4-2-U Flow Switch, Universal Vane, Brass-

Dwyer V4-2-U Flow Switch, Universal Vane, Brass
Model: V4-2-U

Sale Price $711.18 USD
Regular Price $777.25 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $711.18 USD
Regular Price $777.25 USD
Availability 3 to 4 Weeks
Quantity

Dwyer SFI-400CI-2 Indicator, Sight Flow, 2" NPT, Tube Type, Cast Iron-

Dwyer SFI-400CI-2 Indicator, Sight Flow, 2" NPT, Tube Type, Cast Iron
Model: SFI-400CI-2

Sale Price $697.28 USD
Regular Price $762.05 USD
Availability 1 Week

Qty:

Sale Price $697.28 USD
Regular Price $762.05 USD
Availability 1 Week
Quantity

Dwyer SFI-300-2 Indicator, Sight Flow, 2" NPT-

Dwyer SFI-300-2 Indicator, Sight Flow, 2" NPT
Model: SFI-300-2

Sale Price $684.97 USD
Regular Price $748.60 USD
Availability 5 Days

Qty:

Sale Price $684.97 USD
Regular Price $748.60 USD
Availability 5 Days
Quantity

Dwyer SFI-360-2 Indicator, Sight Flow, 2" NPT, SS Flapper-

Dwyer SFI-360-2 Indicator, Sight Flow, 2" NPT, SS Flapper
Model: SFI-360-2

Sale Price $675.00 USD
Regular Price $737.70 USD
Availability 1 Week

Qty:

Sale Price $675.00 USD
Regular Price $737.70 USD
Availability 1 Week
Quantity

Dwyer DS-400-6 Averaging In-Line Flow Sensor, 6" Pipe Size-

Dwyer DS-400-6 Averaging In-Line Flow Sensor, 6" Pipe Size
Model: DS-400-6

Sale Price $670.88 USD
Regular Price $733.20 USD
Availability 5 Days

Qty:

Sale Price $670.88 USD
Regular Price $733.20 USD
Availability 5 Days
Quantity

Dwyer DS-300-8 In-Line Flow Sensor, 8" Pipe Size-

Dwyer DS-300-8 In-Line Flow Sensor, 8" Pipe Size
Model: DS-300-8

Sale Price $669.37 USD
Regular Price $731.55 USD
Availability 1 Week

Qty:

Sale Price $669.37 USD
Regular Price $731.55 USD
Availability 1 Week
Quantity

Dwyer TFP-GV08 Gas Turbine Flow Meter, 2.1 to 11 SCFH-

Dwyer TFP-GV08 Gas Turbine Flow Meter, 2.1 to 11 SCFH
Model: TFP-GV08

Sale Price $666.12 USD
Regular Price $728.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $666.12 USD
Regular Price $728.00 USD
Availability 2 to 3 Weeks
Quantity

Dwyer SFI-300-1-1/2 Indicator, Sight Flow, 1-1/2" NPT-

Dwyer SFI-300-1-1/2 Indicator, Sight Flow, 1-1/2" NPT
Model: SFI-300-1-1/2

Sale Price $658.34 USD
Regular Price $719.50 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $658.34 USD
Regular Price $719.50 USD
Availability 1 to 2 Weeks
Quantity

Dwyer SFI-350-2 Sight Flow Indicator, 2", bronze-

Dwyer SFI-350-2 Sight Flow Indicator, 2", bronze
Model: SFI-350-2

Sale Price $655.05 USD
Regular Price $715.90 USD
Availability 3 Days

Qty:

Sale Price $655.05 USD
Regular Price $715.90 USD
Availability 3 Days
Quantity

Dwyer 160-KIT Stainless Steel Pilot Tube Kit-

Dwyer 160-KIT Stainless Steel Pilot Tube Kit
Model: 160-KIT

Sale Price $646.86 USD
Regular Price $706.95 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $646.86 USD
Regular Price $706.95 USD
Availability 6 to 7 Weeks
Quantity

Dwyer SFI-360-1-1/2 Indicator, Sight Flow, 1-1/2"NPT, SS Flapper-

Dwyer SFI-360-1-1/2 Indicator, Sight Flow, 1-1/2"NPT, SS Flapper
Model: SFI-360-1-1/2

Sale Price $645.03 USD
Regular Price $704.95 USD
Availability 7 to 8 Weeks

Qty:

Sale Price $645.03 USD
Regular Price $704.95 USD
Availability 7 to 8 Weeks
Quantity

Dwyer V6EPB-B-S-6-B Flow Switch, Flotect, SPDT, 2" Brass, Gl-

Dwyer V6EPB-B-S-6-B Flow Switch, Flotect, SPDT, 2" Brass, Gl
Model: V6EPB-B-S-6-B

Sale Price $634.28 USD
Regular Price $693.20 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $634.28 USD
Regular Price $693.20 USD
Availability 1 to 2 Weeks
Quantity

Dwyer V6EPB-B-S-6-MI Flow Switch, Flotect, SPDT, 2" Brass/Iron-

Dwyer V6EPB-B-S-6-MI Flow Switch, Flotect, SPDT, 2" Brass/Iron
Model: V6EPB-B-S-6-MI

Sale Price $634.28 USD
Regular Price $693.20 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $634.28 USD
Regular Price $693.20 USD
Availability 1 to 2 Weeks
Quantity

We Ship Free on Orders Over $99 within Canada