美國ASCO 8290系列角座閥 英文參數

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
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