[PDF] MODEL EPC ELECTRONIC PROPORTIONAL CONTROL VALVE PDF Model%20EPC%20Control%20Valve%20WS-0018.pdf

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PORTER

MODEL EPC ELECTRONIC PROPORTIONAL CONTROL VALVE

DESCRIPTION

The Porter Instrument Model EPC Electronic Proportional

Control Valve is an electromagnetically-actuated,

proportional control valve designed for use in closed loop flow or pressure control systems. When coupled with a flow sensor or pressure transducer and a proportional electronic controller, Model EPC is capable of providing steady and precise control of gas flow rates or pressures. The Model EPC is a DC-driven, normally-closed valve which includes an elastomeric valve seat to provide bubble-tight shut-off. A broad range of flow coefficients (C v 's) is available for either flow or pressure control.

The Model EPC is offered with either integral

compression fittings for in-line mounting or as a manifold- mount version. To allow design and user flexibility, custom configurations in OEM-scale quantities are also available.

DESIGN FEATURES AND BENEFITS

LOW COST

CLEANED FOR USE IN ANALYTICAL

INSTRUMENTATION

GREATER THAN 50:1 DYNAMIC RANGE

MANY ELECTRICAL AND MECHANICAL

CONFIGURATIONS AVAILABLE

EASILY CUSTOMIZED

LOW POWER CONSUMPTION

BUBBLE-TIGHT SHUT-OFF

ELECTRICAL SPECIFICATIONS

Coil and Connection Resistance: 75-85 ohms

Coil Inductance: 25 mH

Opening Voltage: 2.5-7 Vdc

Control Range Span: 1-2 Vdc

Power Dissipation: 0.8 watts typical

Model EPC with Valve Base

Manifold-Mount Model EPC (Less Valve Base)

MECHANICAL SPECIFICATIONS

Maximum Operating Pressure: 200 PSIG

Maximum Operating Temperature: 85°C (185°F) Custom configurations available to 200°C (392°F)

[PDF] [PDF] MODEL EPC ELECTRONIC PROPORTIONAL CONTROL VALVE