Factory Original Japan Koso PPA800 Electro Pneumatic Positioner

• Customization: Available
• After-sales Service: Support 1 Year Warranty
• Warranty: 1 Year
• Model NO.: Koso PPA800
• Max Diameter of Workpiece: 2400mm
• Mass Scope of Workpiece: 7000kg
• Type: Impact Testing Machine
• Maxcapacity: >1000KN
• Accuracy Grade: 1
• Load Way: Electronic Load
• Loading Method: Dynamic Load
• Display: Digital
• Control: Manual Control
• Weight: 500-1000Kg
• Power Source: AC110V
• Oil Cylinder Position: Under
• Product Name: Koso PPA800 Electro-Pneumatic Positioner
• Type Category: 4–20 Ma DC (Avp-310)- Hart
• Input Signal: 4–20 Ma DC
• Output Pressure Range: 20–100 Kpa (3–15 Psi)
• Supply Air Pressure: 140–550 Kpa (20–80 Psi)
• Control Signal: Analog 4–20 Ma
• Air Consumption: ≤ 14 L/Min @ 140 Kpa Supply Pressure
• Accuracy: ±1% of Span
• Response Time: < 1 Second (to Reach 90% of Final Output)
• Operating Temperature: -20°c to +80°c (-4°f to 176°f)
• Environmental Protection: IP65 / NEMA 4X
• Material: Aluminum Alloy Housing
• Explosion Proof Rating: ATEX / Iecex Zone 1 & 2 (If Applicable)
• Mounting: Direct Mounting on Control Valve Actuator
• Electrical Connection: Terminal Block or M12 Connector
• Transport Package: Support Air/Land/Sea Transportation
• Specification: 40cm*30cm*30cm*
• Trademark: Koso
• Origin: China
• HS Code: 9032810000
• Production Capacity: 1000
• Package Size: 35.00cm * 25.00cm * 25.00cm
• Package Gross Weight: 2.000kg

Product Description

Products Picture

Specification

Koso PPA800 Electro-Pneumatic Positioner
Parameter	Specification	Remarks
Model	PPA800	Standard model for industrial automation.
Type	Electro-Pneumatic Positioner (I/P Converter Integrated)	Converts electrical signal to pneumatic output for valve control.
Input Signal	4–20 mA DC	Optional: 0–20 mA or 0–10 V DC (customizable).
Output Pressure Range	20–100 kPa (3–15 psi)	Adjustable; other ranges available (e.g., 60–180 kPa / 9–26 psi).
Supply Air Pressure	140–550 kPa (20–80 psi)	Clean, dry instrument air required.
Control Signal	Analog 4–20 mA	Compatible with PLCs, DCS systems, or controllers.
Air Consumption	≤ 14 L/min @ 140 kPa supply pressure	Varies with operating conditions.
Accuracy	±1% of span	Linearity, repeatability, and hysteresis combined.
Response Time	< 1 second (to reach 90% of final output)	Depends on valve size and system dynamics.
Operating Temperature	-20°C to +80°C (-4°F to 176°F)	Optional extended range available.
Environmental Protection	IP65 / NEMA 4X	Dust and water-resistant enclosure.
Material	Aluminum Alloy Housing	Corrosion-resistant; optional stainless steel for harsh environments.
Explosion Proof Rating	ATEX / IECEx Zone 1 & 2 (if applicable)	Certification varies by model; check specific variant.
Mounting	Direct mounting on control valve actuator	Standard IEC 60534-6 (NAMUR) interface.
Electrical Connection	Terminal block or M12 connector (optional)	Cable entry: M20 or 1/2" NPT.
Pneumatic Connections	1/4" NPT or G1/4" threads	Supply and output ports.

Product Description

apan Koso PPA800 Electro-Pneumatic Positioner

The Japan Koso PPA800 Electro-Pneumatic Positioner is a high-performance control device engineered to bridge the gap between electrical control signals and precise pneumatic actuation in industrial processes. Designed for seamless integration with automated systems, the PPA800 ensures accurate positioning of control valves, optimizing process efficiency, safety, and reliability. With its robust construction, advanced signal conversion capabilities, and adaptability to diverse environments, this positioner is a cornerstone for industries such as oil and gas, chemical processing, power generation, and water treatment.

At its core, the PPA800 functions as an electro-pneumatic transducer (I/P converter), translating analog electrical signals (typically 4–20 mA) into proportional pneumatic pressure outputs. This output directly controls the position of a valve actuator, enabling precise modulation of flow rates, pressure levels, or temperature settings in real time. Unlike traditional mechanical positioners, the PPA800 leverages electronic feedback mechanisms to minimize hysteresis and improve response times, ensuring exceptional accuracy within ±1% of span. Its ability to maintain stability under fluctuating process conditions makes it ideal for applications where precision is critical, such as in reactor temperature control or pipeline pressure regulation.

Technical Excellence and Versatility The PPA800's design prioritizes adaptability to varying operational demands. It supports input signals ranging from 4–20 mA (standard) to custom ranges like 0–20 mA or 0–10 V DC, accommodating diverse control system architectures. The pneumatic output pressure is adjustable, typically spanning 20–100 kPa (3–15 psi), with options for extended ranges (e.g., 60–180 kPa) to suit specialized valve requirements. A supply air pressure range of 140–550 kPa (20–80 psi) ensures compatibility with standard instrument air systems, while low air consumption (≤14 L/min) enhances energy efficiency.

Built for industrial ruggedness, the positioner's aluminum alloy housing offers corrosion resistance and durability in harsh environments, including extreme temperatures (-20°C to +80°C) and corrosive atmospheres. 

Seamless Integration and User-Centric Design The PPA800 is engineered for effortless installation and maintenance. It mounts directly onto control valve actuators using standard IEC 60534-6 (NAMUR) interfaces, eliminating the need for additional brackets or adapters. Electrical connections are simplified with terminal blocks or optional M12 connectors, while pneumatic ports accept 1/4" NPT or G1/4" threads for quick tubing setup. Calibration is streamlined through intuitive push-button controls or external software, allowing technicians to adjust zero/span settings without complex tools. This ease of use reduces downtime and lowers the risk of human error during commissioning or troubleshooting.

In terms of performance, the positioner boasts a rapid response time of less than one second, ensuring dynamic control in fast-paced processes. Its high accuracy and repeatability minimize process variability, directly contributing to product consistency and quality. For industries like pharmaceuticals or food processing, where stringent regulatory compliance is mandatory, the PPA800's CE marking and SIL 2 certification underscore its reliability and safety.

Applications Across Industries The PPA800's versatility shines in a wide array of applications:

Oil and Gas: Regulating flow in pipelines, refining units, or gas compressors.
Chemical Processing: Controlling reactant dosing or solvent recovery systems.
Power Generation: Managing steam or water flow in turbines and boilers.
HVAC Systems: Modulating air dampers or heating coils for energy-efficient climate control.
Water Treatment: Ensuring precise dosing of chemicals like chlorine or coagulants.
Why Choose the Koso PPA800? Compared to competitors like the Fisher DVC6200 or Siemens PS2, the PPA800 stands out for its balance of affordability, precision, and ease of use. Its modular design allows customization for unique process demands, while Koso's global support network ensures access to technical assistance, spare parts, and training resources. Additionally, the positioner's low maintenance requirements and long service life reduce total ownership costs, making it a cost-effective solution for both new installations and retrofits.

Company Profile

Company Profile

KeRul (WeiFang) Automation Equipment Co., Ltd. is speciallzed in industrialautomation instrument development, production and sales, technical servicesand supporting equipment supply of specialized companies, The mainproducts are fow meters, level meters, temperature meters, pressuremeters, electrical meters, thermal meters, programmable controller(PLC), Dcs distributed control system, eight series of more than 1,000specifcations. its products and technologies are widely used in electrlcpower, metallurgy, petrochemical, environ. mental protection, plastics,food,l printing, tobacco, textile, dyeing and other fields.

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