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Proportional Valves withCompact Positioner

8290 Proportional Valve Catalog Page - 181 4

SERIES

2/2

Normally Closed/Pressure Under Disc

8290

Features

•Variable flow proportional to the control signal•Closed loop control via linear potentiometer •Fail-close construction: Valve returns to closed positionupon loss of power•Supplied factory-assembled

General

Maximum allowable pressure: 240 psi Fluid Temperature Ranges: See chart on following page Abient Temperature Ranges: 32 to 122ËšF Response Time: See chart on following page Linearity: ±5% Hysteresis:

Compact Positioner

Pilot Fluids: Air or inert gas, filtered 50µm lubricated or not Pilot Pressure: 60 to 150 psi
NC Pilot Fluid Temperature: 32 to 140ËšF
PU 21 Pilot Connection: 1/8"
P P LINEARPOTENTIOMETERCOMPACTPOSITIONER VALVE Maximum Current: 150mA Nominal Supply Voltage: 24VDC ±10%, Max. ripple 10% Maximum Power: 3.6 W Connector Size 15: Spade plug CM6, 4 pins Coil Insulation Class: F Positioner Body/Enclosure: Aluminum, PA/IP65

Control Signal

Control Signal Suffix â‘  0 - 10 VDC PDB04

1 2

SPECIALSERVICE VALVES 0 - 20 mA PDB05 4 - 20 mA PDB06 â‘  Add suffix to 8290 catalog number (EG: 8290A384PDB04), see following pagefor complete product range. Supplied installed on valve and pre-adjusted at thefactory. Positioner configured for one, customer-specified, control signal.

Electrical Connection Linear PotentiometerValve Construction

Compact Positioner Resistance: 500 1: + 24 VDC (power) 2: 0 VDC (power) 3: Control Signal (0-10 VDC, 0-20mA, 4-20mA)4: (0-10V) Sensor Feedback for calibration(Factory use only, is not an earth ground) Body/Enclosure: Aluminum/IP65
Valve Parts in Contact with Fluids Part 50mm - 125mm 50mm - 125mm Body Bronze 316L Stainless Steel Stem 431 Stainless Steel 431 Stainless Steel ControlSignal24 VDCPower Supply Stuffing Box Brass 303 Stainless Steel

4213

Stuffing Box Seal PTFE Chevron PTFE Chevron Wiper Seal FKM FKM + - - + Profile Disc Brass 304L Stainless Steel Disc Seal PTFE PTFE

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