What is the supply air pressure range?

The supply air pressure is 0.14 ~ 0.7 MPa.

Koso EPC804 Electro Pneumatic Valve Positioner, 4-20mA Positioner for Pneumatic Control Valve

Name: Koso EPC804 Electro Pneumatic Valve Positioner, 4-20mA Positioner for Pneumatic Control Valve
Brand: Precision Instruments ( Nantong ) Co., Ltd.
SKU: 2331017285

Jiangsu, ChinaPrecision Instruments ( Nantong ) Co., Ltd.

US$440.00-520.00

1 Piece

Product profile

Customization

Available

Temperature

-20℃ ~ +80℃

Certification

CE, ATEX,Iecex

Model NO.

KOSO EPC804

Media

Gas, Oil, Water, Compressed Air, Natural Gas

Standard

Connection Mode

Internal Thread

Power

Pneumatic

Material

Alloy

Type

Electro-Pneumatic Valve Positioner

Input Signal

4-20mA DC, Optional Split Range 4-12mA /12-20mA

Air Supply Pressure

1.4 ~ 7.0 Bar

Control Accuracy

≤±1.0% Fs

Actuator Type

Double Acting, Linear & Rotary

Stroke & Angle

12mm ~100mm(Linear), 0~90°(Rotary)

Air Connection

RC1/4

Transport Package

Standard Export Carton with Foam Protection

Specification

Trademark

KOSO

Origin

Japan

HS Code

9032810000

Key features

HART Communication Protocol: Supports two-way digital communication for valve diagnosis and parameter reading.

One-Touch Auto Calibration: Greatly shortens on-site commissioning time without tedious manual adjustment.

Fail Freeze Function: Locks valve position once control signal is lost to guarantee process safety.

Anti-Resonance Vibration: No resonance between 5~200Hz for stable performance in harsh environments.

IP66 Protection Class: Dust-tight and protected against powerful water jets for outdoor use.

ATEX and SIL2 Certified: Suitable for hazardous areas with ATEX, IECEx, and SIL2 certifications.

Local LCD Display: Equipped with a digital intelligent display for easy monitoring.

Company profile

Precision Instruments ( Nantong ) Co., Ltd.Jiangsu, China

Business Type: Trading CompanyExport Year: 2020-02-01Nearest Port: shenzhenAverage Response Time: ≤5.75hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP

About Our Factory & Business Background

AddressNo. 1678, Jintong Avenue, Jinxin Street, Tongzhou District, Nantong, Jiangsu, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsPressure Transmitter, Temperture Transmitter, Flow Meter, Valve Positioner, Valve, PLC\\DSC, Sensor, Gas Detector, Switch, Communicator

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What main products do you supply?

Our core products cover smart pressure transmitters, absolute pressure transmitters, differential pressure transmitters, electromagnetic flow meters. All instruments are widely used in chemical, petroleum, water treatment, power and pharmaceutical industries.

Q:What payment and shipping terms do you accept?

We accept T/T, Western Union and trade assurance order. We support sea freight, air freight and express delivery for global customers.

Q:What documents do you provide for export?

Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q:How to select the correct model for my working condition?

Please provide medium type, working pressure, working temperature, pipe diameter, measuring range, installation method and signal requirement. Our professional engineering team will provide accurate model selection and solution for free.

Q:What is the input signal range?

The input signal is 4~20mA DC.