Aluminum Control Valve Positioner

Place of Origin Japan
Brand Name KOSO
Certification CCC CE ISO
Model Number EP1000
Minimum Order Quantity 1
Price $1300-$1800/PC
Packaging Details Strong carton Packing with export standard. If each model more than 300PCS can make colored strong carton
Delivery Time 14 work days
Payment Terms L/C, T/T, Western Union, D/P
Supply Ability 1000Piece/Pieces per Month

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Product Details
For Single Acting Actuator Repeatability : 0.2% Of FS. Ambient Temperature Explosion Type : -20 To 60°
Power Supply 2-Wire Type Input Impedance 500Ω At 20mA (Input Voltage Less Than 10V)
Characteristic Linear (Desired Characteristic Settable) Air Supply 140 To 700kPa
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Aluminum control valve Positioner


control valve Positioner 20mA


20mA smart valve positioner

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Air consumption Output air pressure 50%
Air consumption 5Nl/min at 140kPa air supply
Air consumption 15Nl/min at 400kPa air supply
Max. capacity apacity when output is atmospheric venting
Max. capacity 175Nl/min at 140kPa air supply
Max. capacity 400Nl/min at 400kPa air supply
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Air consumption Output air pressure 50%
Product Description

This is an intelligent electropneumatic positioner that conforms to field equipment communication standard HART, which is a world standard.

It permits easy and positive digital adjustment of positioner response characteristics and zero and span from a host equipment mounting DDL or from an HHC (Hand Held Communicator). Furthermore, with 3-key calibration executed by a pushbutton built in the positioner, it is possible to set principal items by unit positioner, without need for HHC or the like.

It can be mounted to an actuator of any of single action type, double action type, rotary type and linear type, and it operates with a 4-20mA instrumentation signal and compressed air. Therefore, it is a positioner of broad universality, and it is capable of transmitting self-diagnosis information and others besides valve opening and open/close limit signals to a host equipment that conforms to HART.

KOSO is now developing FF dealing equipment, which digitalizes up to control signals and conforms to Fieldbus Foundation Standards.

Series EP1000
Applicable Actuators Single and double acting actuators
Input Signal 4 to 20mA DC (adjustable to 1/4 split range)
Power supply 2-Wire type
Input impedance 500Ω at 20mA (Input voltage less than 10V)
Characteristic Linear (Desired characteristic settable)
Pilot valve Non-bleeding type
Single acting and double acting types are available
Air supply 140 to 700kPa
Air consumption Output air pressure 50%
5Nl/min at 140kPa air supply
15Nl/min at 400kPa air supply
Max. capacity Capacity when output is atmospheric venting
175Nl/min at 140kPa air supply
400Nl/min at 400kPa air supply
Performance For single acting actuator
Linearity : +/-1.0% of FS.
Hysteresis : 0.5% of FS.
Response level : 0.1% of FS.
Repeatability : 0.2% of FS.
For double acting actuator
Linearity : +/-1.5% of FS.
Hysteresis : 0.8% of FS.
Response level : 0.2% of FS.
Repeatability : 0.3% of FS.
The above represents the performance of the positioner on an actuator without a valve. For the performance of the complete unit with a valve and an actuator, see KOSO STANDARD SPECIFICATION.
Calibration 1 button calibration
Calibration by positioner alone.
Own program
with Note PC or Disktop PC
Self diagnosis items Air supply check/Eath unit's function check/Over load check
Fail position for breakdown selectable
Air connection Rc 1/4
wiring connection G 1/2
Ambient temperature Standard type : -20 to 80°, Explosion type : -20 to 60°
Ambient humidity range 10 to 90% RH
Enclosure Weather proof type (IP65), Explosion proof type (ExdCT6)
Standard anicillary Auto-Manual change
Housing material Aluminum alloy
Coating Epoxy resin group paint
Coating colors Body : Dark green, Cover : Light gray
Apporox. Weight 2.6kg
Optional specifications Available upon request
Position transmitter 4 to 20mA 2-Wire type
Power source required in addition to input signal.
Limit switches Open/Shut
Open collector type
Self diagnosis indication diagnosis result on LED
Separate power supply required
wiring connection 1/2 NPT
Air connection 1/4 NPT

Aluminum Control Valve Positioner 0



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    Always a pre-production sample before mass production;
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