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FLOW Product Data Sheet Platon Glass Tube VA Flowmeter PLATON SAFETY HOUSED GAPMETER TYPE GU Gapmeters type GU are glass tube Variable Area Flowmeters for direct display of liquid or gas flowrate. The GU housing provides a robust rigid frame, suitable for mounting directly into plant pipework, protecting the glass tube from pipework stress and random plant damage. The safety Perspex window gives good flow visibility, while protecting the operator. A safety blowout disc on the rear of the housing provides a relief vent for process fluids, in case of glass tube damage. FEATURES Robust construction Instant flow rate visual indication Suitable for installation in unsupported pipework Flow tube scaled for any gas and most liquids Safety housed for operator protection Site interchangeable 140mm flowtubes Glass tube VA flowmeters are simple and reliable in operation, and instantaneous in response – they offer flow visualisation to the operator, and the float rotation gives confirmation of correct meter performance. Standard tubes and floats offer low line pressure loss and a high resolution 100mm linear scale, fused into the glass tube. Fluid flow vertically upward through the tapered glass tube causes the float to rise to an equilibrium position. Flow rate is measured on the scale of the flow tube, along the top edge of the float. The borosilicate glass tubes are individually scaled according to customers requirements, and individually flow calibrated. OPTIONS GIR Alarms Toughened Glass Window (Higher Temps) SPECIFICATION - GTF FLOW TUBE Tube Calibration Scale Length Scale markings Accuracy Boroscilicate glass Custom scaled for gas or liquid and site conditions. Standard air and water flow tube ranges as overleaf 100mm Fused ceramic ink ± 1.25% FSD standard (± 2.5% for 1CHD/1BHD models, ±3% for predicted scales)

ORDER CODE FLOW RANGES Model (for gases) Scale reference Float material HS = Hollow stainless HD = Hollow dural SS = Solid stainless SPECIFICATION - GU HOUSING Connections Housing Window Max Pressure Max Temperature 3/8" BSP female (Optionally 1/2" ANSI/15mm EN flanged) Polyester coated aluminium with polypropylene rear facing pressure relief vent Solid perspex 25 bar (non-shock) 100°C (viton seals) 80°C (nitrile seals) ORDER CODE Tube fittings (Size 1, 2 or 3 GTF 1 CHD-B GTF 1 BHD-B GTF 1 AHD-B GTF 1 AHS-B GTF 2 CHD-B GTF 2 BHD-B GTF 2 BHS-B GTF 2 AHD-B GTF 2 AHS-B GTF 3 AHD-B GTF 3 AHS-B...