Brooks Instrument TFE Lined Metal Tube Variable Area Flow Meters (2% VDI/VDE class 2.5)

Measuring Range

Rangeability: 10:1 (most sizes)

Metering Tube 

Standard: Tefzel® Lined 316/316L (dual certified stainless steel)

Flanges and End Fittings

Standard: Tefzel® Lined 316/316L (dual certified stainless steel)

Accuracy: 2%, VDI/VDE class 2.5

Repeatability: 0.25% Full Scale

Scale type/material: Dark increments with white background/Aluminum

Installation orientation and location: Vertical (within 5% of true vertical), bottom inlet, top outlet. Do not locate in proximity of other magnetic interfering components

Connections

Flanged: Slip on flanges

Equivalent to ANSI B16.5: ANSI 1/2” to 2” 150# RF to 300# RF

DIN 2527/ EN 1092-1: DIN PN 40

Flange finish: 3.2 - 6.3 Ra

Floats

Standard: Hastelloy C - 276 (sizes 7.8) PVDF (sizes 10 - 13)

Protection Category

Indicator only: IP66/67 NEMA 4X

Transmitter ALU: IP66/67 NEMA 4X**

Transmitter SS: IP66/67 NEMA 4X

Indicator Housing & Cover material

Indicator only ALU: Die cast Aluminum (Alloy 380), epoxy paint, glass window

Transm/Alarm/HiTemp ALU: Die cast Aluminum (Alloy 380), epoxy paint, glass window

Indicator only SS: Cast 316L stainless steel, glass window

Transm/Alarm/HiTemp SS: Cast 316L stainless steel, 316 stainless steel hardware, glass window

Pressure/Temperature

Maximum Fluid Temperature: 150°C/270°F

For more details, see datasheet.