Rugged Construction: Flow meters are available in brass, stainless, and PVC fittings, with NPT or BSP ports (see Ordering Information Tables). Constructed of high-impact polysulfone plastic, this simple variable area flow meter contains a minimum number of moving parts, offering a reliable, trouble-free flow rate indicator to monitor a wide range
of liquids and gases.
Inlet and outlet pipe supports are recommended to prevent breakage.
No flow straighteners or special piping: The Hedland design does not require special plumbing or accessories to stabilize turbulent flow. Flow meters can be installed immediately adjacent to 90-degree elbows or other components providing system design flexibility.
Filtration: Although Hedland flow meters are more contamination tolerant than most fluid system components, 200 mesh (74 micron) or better filtration is required to assure reliable performance.
Standard flow scales:Standard flow scales are calibrated in gallons per minute (gpm) and liters per minute (lpm) at 0.876 specific gravity for petroleum-based fluids, 1.0 specific gravity for Oil and Oil-based emulsions.Special flow scales: Special scales are available in any measurement unit and/or specific gravity.
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