Model Options

Name: Dwyer Instruments FT-251 | 150 mm direct reading flow tube | Max. flow rate 23.0 SCFH air | carboloy float
Brand: Dwyer
SKU: FT-251
Rating: 5 (1 reviews)

Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

End Fitting Anodized Aluminum or 316 stainless steel

Max Flow Rate

Connection 1/8" female NPT

Maximum Operating Pressure 200 psig (13.8 bar)

Mounting Vertical

Turn-down Ratio 10:1, 20:1 with combinations of two floats installed in meter

Repeatability ±0.25% of scale reading

Ratio Turn-down: 10:1, 20:1 with combinations of two floats installed in meter

Maximum operating temperature 250°F (121°C)

Accuracy Correlated Flow Tubes: +/- 2% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute)
Direct Reading Flow Tubes: +/- 5% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute).

Scale Universal 65 mm or 150 mm scales with correlation charts

Flowtube Borosilicate glass

Manufacturer Dwyer Instruments

Float 316 stainless steel or black glass as indicated

Float Stops PTFE

Front Shield Polycarbonate

Side Panels Black, anodized aluminum

O rings Buna-N on aluminum models and Fluoroelastomer on stainless steel models

Wetted Parts 6-turn Valves: For Aluminum Frames: aluminum body, 316 SS spindle, Acetal orifice, Buna-N o-rings
For 316 SS Frames: 316 SS body, 316 SS spindle, PCTFE orifice, fluoroelastomer o-rings. 16-turn Valves: For Aluminum Frames: brass body, 316 SS spindle, PCTFE orifice, Buna-N o-rings
For 316 SS Frames: 316 SS body, 316 SS spindle, PCTFE orifice, fluoroelastomer o-rings.

Dwyer Instruments FT-251 | 150 mm direct reading flow tube | Max. flow rate 23.0 SCFH air | carboloy float

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Part Number : FT-251

Adapt flow systems to the needs of your applications. Up to six distinct flow tubes with varying flow capacity and patterns can be added to a system. Applications involving multichannel metering, mixing, or monitoring are perfect for the Series MTF Multitube Flow Systems.

Specification
Features
Catalog

Specifications

Details

Manufacturer

Dwyer Instruments

Scale

Universal 65 mm or 150 mm scales with correlation charts

Accuracy

Correlated Flow Tubes: +/- 2% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute)
Direct Reading Flow Tubes: +/- 5% FS @ 70 deg F (21.1 deg C) and 14.7 psia (1 atm absolute).

Repeatability

±0.25% of scale reading

Ratio

Turn-down: 10:1, 20:1 with combinations of two floats installed in meter

Maximum operating temperature

250°F (121°C)

Maximum Operating Pressure

200 psig (13.8 bar)

Mounting

Vertical

Connection

1/8" female NPT

End Fitting

Anodized Aluminum or 316 stainless steel

Max Flow Rate

Air: 23.0 SCFH

Turn-down Ratio

10:1, 20:1 with combinations of two floats installed in meter

Flowtube

Borosilicate glass

Float

316 stainless steel or black glass as indicated

Float Stops

PTFE

Front Shield

Polycarbonate

Side Panels

Black, anodized aluminum

O rings

Buna-N on aluminum models and Fluoroelastomer on stainless steel models

Wetted Parts

6-turn Valves: For Aluminum Frames: aluminum body, 316 SS spindle, Acetal orifice, Buna-N o-rings
For 316 SS Frames: 316 SS body, 316 SS spindle, PCTFE orifice, fluoroelastomer o-rings. 16-turn Valves: For Aluminum Frames: brass body, 316 SS spindle, PCTFE orifice, Buna-N o-rings
For 316 SS Frames: 316 SS body, 316 SS spindle, PCTFE orifice, fluoroelastomer o-rings.