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Mechanical Valve Positioner Samson 4763-01200321 Spot Sale 6109 4763-01200121 4763-01300321 4763-11300311 - Casting / control

SAMSON 4763-01200321 4763-01200121 4763-01300321 4763-11300311 Electro pneumatic Valve Positioners

SKU: 1600981741512Brand: TSA HydraulicsCategory: Valves

The SAMSON 4763-01200321, 4763-01200121, 4763-01300321, and 4763-11300311 Electropneumatic Valve Positioners are industrial control instruments designed for accurate positioning of pneumatic control valve actuators.

  • SAMSON Type 6109 or 6112, Depending on Configuration Current-to-Pressure Converter
  • Single Acting Actuator Operation
$4,819.78
Shipping calculated at checkout.

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SAMSON 4763-01200321 4763-01200121 4763-01300321 4763-11300311 Electro pneumatic Valve Positioners

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Product Overview

The SAMSON 4763-01200321, 4763-01200121, 4763-01300321, and 4763-11300311 Electropneumatic Valve Positioners are industrial control instruments designed for accurate positioning of pneumatic control valve actuators. Manufactured by SAMSON, the Type 4763 Series converts electrical control signals into proportional pneumatic pressure through an integrated current-to-pressure converter. Its mechanical force-balance positioning system provides stable valve travel control, adjustable response, and reliable operation in industrial process automation.

The Type 4763 features an adjustable proportional band, reversible operating direction, pneumatic volume restriction, and durable die-cast aluminium housing. Selected configurations incorporate the SAMSON Type 6109 current-to-pressure converter, while intrinsically safe versions support approved hazardous-area installations. The positioners are designed for compatible linear pneumatic actuators and can be installed using suitable SAMSON or NAMUR mounting arrangements. Typical applications include oil and gas processing, chemical manufacturing, petroleum refining, power generation, and industrial valve automation. 

Technical Specifications

Specification

Value

Product Name

Electropneumatic Valve Positioner

Manufacturer / Brand

SAMSON

Model Number 1

4763-01200321

Model Number 2

4763-01200121

Model Number 3

4763-01300321

Model Number 4

4763-11300311

Product Series

Type 4763

Product Type

Analogue Electropneumatic Valve Positioner

Positioner Technology

Current-to-Pressure Conversion

Operating Principle

Mechanical Force Balance

Primary Function

Pneumatic Control Valve Positioning

Electrical Input Signal

4–20 mA DC, Standard Configuration

Alternative Input Signals

0–20 mA and 1–5 mA, Selected Versions

Current-to-Pressure Converter

SAMSON Type 6109 or 6112, Depending on Configuration

Supply Air Pressure

1.4–6 bar (20–90 psi)

Pneumatic Output Pressure

0–6 bar Maximum

Positioning Characteristic

Linear

Operating Direction

Reversible

Standard Valve Travel Range

7.5–60 mm

Extended Valve Travel Range

Up to 90 mm with Suitable Lever Extension

Proportional Band

Adjustable, Spring Dependent

Characteristic Deviation

≤1.5%

Hysteresis

Less Than 0.5%

Sensitivity

Less Than 0.1%

Pneumatic Volume Restriction

Adjustable

Positioning Adjustment

Zero and Span Adjustment

Housing Material

Die-Cast Aluminium

Housing Finish

Chromated and Plastic Coated

External Components

Stainless Steel

Enclosure Protection

IP54 Standard

Optional Enclosure Protection

IP65 with Suitable Venting Arrangement

Pneumatic Connections

G 1/4 or 1/4 NPT, Configuration Dependent

Electrical Connections

Cable Gland or Connector, Configuration Dependent

Explosion Protection, 4763-0 Series

Without Explosion Protection

Explosion Protection, 4763-1 Series

Intrinsically Safe Configuration, Subject to Certification

Operating Temperature

Depends on Converter and Temperature Configuration

Mounting Compatibility

Compatible SAMSON and NAMUR Linear Actuators

Actuator Operation

Single Acting

Operating Medium

Clean, Dry Instrument Air

Operating Application

Industrial Pneumatic Valve Positioning

Condition

New

Warranty

1 Year

Key Features

Accurate electropneumatic control valve positioning

Integrated electrical-to-pneumatic signal conversion

Standard 4–20 mA industrial control signal

Mechanical force-balance positioning mechanism

Compatible with SAMSON Type 6109 current-to-pressure converters

Adjustable proportional band for stable valve response

Reversible operating direction for flexible valve control

Adjustable pneumatic volume restriction

Supply pressure range of 1.4–6 bar

Low hysteresis and high positioning sensitivity

Durable die-cast aluminium housing

Corrosion-resistant external stainless steel components

Intrinsically safe configuration on selected models

Compatible with standard linear pneumatic actuators

Supports NAMUR actuator mounting arrangements

Suitable for industrial valve maintenance and replacement

Typical Applications

Industrial pneumatic control valve positioning

SAMSON pneumatic actuator control systems

Oil and gas production and processing facilities

Chemical and petrochemical manufacturing plants

Petroleum refining installations

Power generation and utility systems

Water and wastewater treatment facilities

Industrial flow and pressure regulation

Pneumatic diaphragm actuator positioning

Linear control valve automation

Industrial process control and instrumentation systems

Hazardous-area valve control with certified configurations

Manufacturing and industrial production facilities

Industrial valve maintenance and replacement

Shipping & Support

Fast dispatch – Australia & Worldwide Shipping

Technical assistance available

1-year warranty

// FAQs

Questions about this part?

Our engineers can confirm fit before you order. Contact support.

How do I find the right part for my system?

Three options. Search by part number if you have the OEM code from Parker, Danfoss, Linde, Kawasaki, Kayaba or Grundfos — our search recognises both manufacturer codes and aftermarket cross-references. Browse by category if you know the component type (pumps, valves, cylinders, etc.). Or send a spec sheet to our engineering desk and we'll cross-reference against our 3,000+ SKU catalogue within one business day.

Can you help me size a pump or valve for my application?

Yes — sizing support is included with every order. Send us your operating pressure, flow rate, viscosity, drive speed and duty cycle, and our engineers will recommend a suitable component from our catalogue with full datasheets. We don't custom-build parts ourselves, but we can spec the right OEM component for almost any standard industrial application.

Can you cross-reference a discontinued part?

Yes — cross-referencing is one of the things we do most. Send us the original part number (even if the manufacturer has dropped it) and our engineering desk will identify a current equivalent or compatible alternative. Cross-reference lookups are free and typically come back within 4 business hours.