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KDF/KDG Variable Area Flowmeter
Brand: KOBOLD Instruments, Inc
The KOBOLD flow meters and switches for very low flows model KDF and KDG for liquids and air operate on the suspended float principle: that is, the installation position is vertical and the direction of flow is from bottom to top.
The instruments have been designed as simple and thus economical measuring systems. The float is a ball, whereby the indication point is the upper edge of theb all. A needle valve is fitted as standard.
Specifications
Brand
Accuracy
- ± 2.5 % QG 50
- ± 3 % of Full Scale
- ± 5 % of Full Scale
Ambient Temperature Range
- -20° to 100° C (-4° to 212° F)
Approvals & Certifications
- ATEX PTB 00-ATEX-2128 x II 2 G Ex ia IIC T6-T4
BSP Connection
- G 1/4" Female
Connectors
- Hose Nozzle for 8 mm Hose
Electrical Connectors
- 2 m Cable
- Junction Box
Environmental Protection
- IP65
Flow Rate
- 0.25 to 160 L/hr to Water
- 0.5 to 5,000 NL/hrour to Air
Gasket Material
- FFKM
- FPM
Materials of Construction
- 316 Stainless Steel - Float
- 316L Stainless Steel - Fitting
- Borosilicate Glass: Measuring Tube
- Hostaflon ET: Float Stop
- Polyamide: Hose Nozzle
Media
- Gas
- Liquids
Mounting Position
- Vertical - Flow from Bottom
Nominal Pressure
- psi: 232.1 (kPa: 1,600, bar: 16)
NPT Connection
- 1/4" NPT Female
Process Temperature
- -20° to 100° C (-4° to 212° F)
Repeatability
- ± 1 % of Full Scale
- ± 1.5 % of Full Scale
- ± 2.5 of Full Scale
Seat / Seal Material
- PTFE 25 % C (Carbon Fibre)
Stem Material
- 316 Stainless Steel
Switch Type
- NAMUR
Temperature Range
- Maximum