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Universal Flow Monitors has introduced vortex-shedding flowrate transmitters of chlorinated polyvinyl chloride for greater heat resistance in processing corrosives and high-temperature water.

Universal Flow Monitors’ P420 series of cost-effective plastic flowmeters includes models with wetted parts entirely of either chlorinated polyvinyl chloride (CPVC) or polyvinyl chloride (PVC).

The expanded product line provides a wider selection of inexpensive flow rate transmitters without moving parts that can stick, bind or coat when processing water or corrosives.

P420 vortex-shedding meters with CPVC body, sensor and bluff can transmit hot water or other fluid with maximum operating temperature of 180F, compared to maximum 140F with PVC units.

CPVC transmitters can accommodate higher maximum operating pressures than PVC units at temperatures of 80-180F.

Universal Flow Monitors offers the CPVC and PVC units in five pipe diameters providing a flow range from 12-200 gal/min (4.5 to 750 litre/min).

The pipe sizes with their full-scale flow rates are as follows: 1/2in (1.2-12 gal/min, 4.5-45 litre/min), 3/4in (2.5-25 gal/min, 9.5- 95 litre/min), 1in (5-50 gal/min, 19-190 litre/min), 1.1/2in (10-100 gal/min, 38-380 litre/min) and 2in (20-200 gal/min, 75-750 litre/min).

The meters with CPVC wetted parts can transmit low-viscosity, PVC-compatible fluids that may contain particles.

P420 series CPVC and PVC transmitters are electronic instruments that, unlike mechanical switches, eliminate potential for clogging.

P420 series flow transmitters from Universal Flow Monitors are offered at the same cost as paddlewheel meters without the added costs of periodic replacement of paddlewheels.

P420 vortex-shedding flow transmitters have no O-ring seals.

Connection is made by either solvent-welding the PVC or CPVC pipe into the socket port provided or by NPT threaded connection.

Electronic output is from a 4-20mA two-wire transmitter rated intrinsically safe when used with barriers.

The electronics package is totally potted and not vulnerable to shorting, corrosion, leaks, humidity or condensate from conduits or thermal cycling.

Universal Flow Monitors

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