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            公司動態(tài)

            美國ASCO 8290系列角座閥

            點擊次數(shù):1571 發(fā)布時間:2010-9-14

            美國ASCO 8290系列角座閥 英文參數(shù)

            0 - 10 VDC PDB04
            VALVE SPECIAL
            0 - 20 mA PDB05
            SERVICE VALVES
            4 - 20 mA PDB06
            2 Add suffix to 8290 catalog number (EG: 8290A384PDB04), see following page
            for complete product range. Supplied installed on valve and pre-adjusted at the
            factory. Positioner configured for one, customer-specified, control signal.
            Electrical Connection
            Linear Potentiometer
            Compact Positioner
            Resistance: 500? 1: + 24 VDC (power)
            Body/Enclosure: Aluminum/IP65
            2: 0 VDC (power)
            3: Control Signal (0-10 VDC, 0-20mA, 4-20mA)
            Valve Construction
            4: (0-10V) Sensor Feedback for calibration
            Valve Parts in Contact with Fluids
            (Factory use only, is not an earth ground)
            Part 50mm - 125mm 50mm - 125mm
            -
            -
            Body   Bronze 316L Stainless Steel
            2
            Stem 431 Stainless Steel 431 Stainless Steel Control
            24 VDC
            Signal
            Power
            Stuffing Box        Brass 303 Stainless Steel 4 3
            Supply
            +
            Stuffing Box Seal PTFE Chevron PTFE Chevron
            1
            Wiper Seal FKM FKM
            +
            Profile Disc  Brass 304L Stainless Steel
            Disc Seal  PTFE PTFE 267

            4美國ASCO 8290系列角座閥 英文參數(shù)
            8290
            Specifications (English units)
            Approx.
            Pipe Orifice Cv OPD OPD Max. OPD Max. Max. Pilot Pilot Shipping Suffix  Suffix  Suffix
            Size Size Flow Min Fluids Steam Fluid Stainless Pressure Pressure Weight (0 -10 VDC) (0 -20 mA) (4 -20 mA)
            (ins.) (ins.) Factor (psi.) (psi.) (psi.) Temp.°F Bronze Steel Min (psi) Max (psi) (lbs.) Fail closed Fail closed Fail closed
            50mm Operator
            1/2 1/2 5.3 0 240 150 366 8290A384 8290A393 60 150 4.1
            3/4 3/4 8.3 0 150 150 366 8290A385 8290A394 60 150 4.3
            63mm Operator
            3/4 3/4 8.3 0 240 150 366 8290B005 8290B048 60 150 5.3
            1 1 17 0 150 150 366 8290B010 8290B053 60 150 6.3
            1-1/4 1-1/4 24 0 90 90 366 8290A016 8290A059 60 150 7.5
            1-1/2 1-1/2 33 0 60 60 366 8290A020 8290A063 60 150 9.8
            2 2 46 0 40 40 366 8290A024 8290A067 60 150 12.2
            90mm Operator PDB04 PDB05 PDB06
            1 1 17 0 240 150 366 8290B011 8290B054 60 150 7.9
            1-1/4 1-1/4 24 0 180 150 366 8290A017 8290A060 60 150 9.3
            1-1/2 1-1/2 33 0 120 120 366 8290A021 8290A064 60 150 11.1
            2 2 46 0 90 90 366 8290A025 8290A068 60 150 17.8
            125mm Operator
            1-1/4 1-1/4 34 0 240 150 366 8290A642 8290A646 60 150 15.1
            1-1/2 1-1/2 56 0 240 150 366 8290A482 8290A495 60 150 16.6
            2 2 77 0 150 120 366 8290A485 8290A498 60 150 18.8
            2-1/2 2-1/2 86 0 90 90 366 8290A488 8290A501 60 150 23.7
             Add suffix to 8290 catalog number (EG: 8290A384PDB04). Fail closed construction: Valve returns to closed position upon loss of power.

            Response time (seconds) Installation
            for NC valves - 90 psi air controlled @ max. pilot pressure (150 psi)
            * Valves can be mounted in any positon
            Operator (mm)
            Pipe
            * Installation and maintenance instructions
            50 63 90 125
            Size
            are included with each valve
            (ins.) Open Close Open Close Open Close Open Close
            1/2 1.26 0.92 - - - - - -
            3/4 1.30 0.93 1.7 2.25 - - - -
            1 - - 2.7 3.18 5.23 7.26 - -
            SERVICE VALVES
            1 1/4 - - 2.7 3.18 5.23 7.26 9.34 17.8
            SPECIAL 1 1/2 - - 2.7 3.18 5.23 7.26 13.7 18.3
            2 - - 2.7 3.18 5.23 7.26 13.7 18.3
            2 1/2 - - - - - - 14.0 19.5
            Dimensions inches (mm)
            Pipe Size O A B C D E F
            50mm Operator  Detail
            1/2 2.7 6.93 8.21 7.68 2.56 1.7 O A
            See Detail
            3/4 2.7 7.26 8.39 7.76 2.95 1.7
            63mm Operator
            62
            3/4 3.4 7.78 9.11 8.51 2.95 2.0
            1 3.4 8.18 9.51 8.71 3.54 2.0 1/8
            1-1/4 3.4 9.52 10.82 9.84 4.33 2.0
            Pp
            1-1/2 3.4 9.80 11.45 10.27 4.72 2.0

            2 3.4 10.78 12.01 10.63 5.90 2.0 2.64
            90mm Operator
            C D
            1 4.7 8.59 9.92 9.12 3.54 2.6
            F
            1-1/4 4.7 9.88 11.11 10.12 4.33 2.6
            1-1/2 4.7 10.16 11.73 10.55 4.72 2.6
            2 4.7 11.10 12.29 10.91 5.91 2.6
            125mm Operator
            1
            1-1/4 6.1 11.10 13.63 12.63 4.30 3.1
            2
            1-1/2 6.1 11.50 14.23 13.13 4.70 3.1
            E
            2 6.1 12.40 14.83 13.43 6.00 3.1
            B
            2-1/2 6.1 13.70 15.83 14.03 7.50 3.1
            8

            Proportional Valves with 2/2
            SERIES
            Compact Positioner
            4
            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 position
            upon loss of power
            * Supplied factory-assembled
            General
            Maximum allowable pressure: 240 psi
            Fluid Temperature Ranges: See chart on following page
            Ambient Temperature Ranges: 32 to 122?F
            Response Time: See chart on following page

            Linearity: ±5%
            Hysteresis: < 1%
            Compact Positioner
            Pilot Fluids: Air or inert gas, filtered 50μm lubricated or not
            1
            Pilot Pressure: 60 to 150 psi
            NC
            P
            Pilot Fluid Temperature: 32 to 140?F U
            2
            P P
            Pilot Connection: 1/8" LINEAR
            POTENTIOMETER
            Maximum Current: 150mA
            Nominal Supply Voltage: 24VDC ± 10%, Max. ripple 10%
            Maximum Power: 3.6 W
            COMPACT
            Connector Size 15: Spade plug CM6, 4 pins POSITIONER
            Coil Insulation Class: F
            Positioner Body/Enclosure: Aluminum, PA/IP65
            Control Signal
            Control Signal Suffix

             美國ASCO 8290系列角座閥 英文參數(shù)

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