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MORE ABOUT ELF:
WHY THE ELF PURGE METER IS POPULAR

The model ELF purge meter is a compact, customizable flow meter designed for the measurement of small flows of liquids or gases. Custom materials, scales and scale markings for various flow applications are available at a competitive price. Modular design principles allow users to specify body material, flow range and media, O-ring materials and optional hand knob. ESKO offers custom scale markings and calibration for non-standard liquids and gases. The ELF is often paired with the model EFR3 constant flow regulator also designed and built by ESKO for maintaining flows in applications where supply or back pressure varies. Metallic parts on the model ELF are solid and reliable SS316 construction.
VARIOUS MATERIAL CHOICES
For winter operating conditions, the flow tube can be specified as freeze-resistant Trogamid. Grilamid tube material is available for corrosion resistance and heat resistance. O-ring seal materials can also be specified: Nitrile O-rings are standard, Viton O-rings tolerate high heat and EPDM is best for chemical resistance.

VALVE FEATURES AND FLOW ADJUSTMENTS
The valve can be installed on the inlet or outlet and has been designed with a back-out proof valve so that the valve spindle cannot be unscrewed. This is a safety feature that prevents an unexpected discharge of process fluid. A screwdriver adjustable flow control valve reduces the risk of inadvertent adjustment. An optional hand knob is available for easily adjusting flows to process requirements.

The model ELF is often utilized in bubble tube level applications, density measurement, and pressurized instrument enclosures.