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Samson 3760 - User Manual

Samson 3760
64 pages
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Translation of original instructions
EB 5866 EN
Type3222/… Electric and Pneumatic Control Valves
Edition April 2022
Type3222/5857
Type3222/5757-3
Type3222/5757-7
Type3222/5827 Type3222/5825
Type3222/2780-1
Type3222/2780-2 with Type3760
Positioner

Table of Contents

Questions and Answers

  • R
    Ryan LuceroAug 8, 2025
    What to do if the actuator and plug stem on my Samson Control Unit won't move?
    • A
      Amber AndersonAug 9, 2025
      If the actuator and plug stem aren't moving, there could be several reasons. First, the actuator might be blocked; check the attachment and remove any blockage. For electric actuators, verify the supply voltage and connections. If you have a pneumatic actuator, the diaphragm might be defective, so refer to its documentation. Also, check that the signal pressure is adequate and that there are no leaks in the signal pressure line.
  • R
    russelljoseAug 18, 2025
    Why doesn't the actuator and plug stem stroke through the entire range on my Samson Control Unit?
    • N
      Nicole SanchezAug 18, 2025
      If the actuator and plug stem aren't stroking through the entire range, it could be due to a few reasons. For electric actuators, check the supply voltage and connections to ensure they are correct. If it's a pneumatic actuator, the signal pressure might be too low; inspect the signal pressure and check the signal pressure line for any leakage.
  • Z
    zjonesAug 28, 2025
    What to do if there is increased flow through a closed valve (seat leakage) in my Samson Control Unit?
    • D
      Debra TaylorAug 29, 2025
      If you're experiencing increased flow through a closed valve, it's likely due to seat leakage. This can happen if dirt or foreign particles are lodged between the seat and plug. To resolve this, shut off the section of the pipeline and flush the valve.

Summary

Safety Instructions and Measures

Intended Use

Defines the purpose and application of the valve and its actuators.

Qualifications of Operating Personnel

Safety Features and Warnings

Highlights built-in safety mechanisms and potential hazards to avoid during operation.

Operator and Personnel Responsibilities

Clarifies the duties of operators and personnel regarding safety and compliance.

Notes on Severe Personal Injury

Details critical safety information to prevent fatal or severe injuries.

Notes on Personal Injury

Provides warnings and precautions to prevent non-fatal personal injuries during operation.

Design and Principle of Operation

Fail-Safe Action Explanation

Describes how the valve behaves upon failure of power or air supply.

Valve and Actuator Versions

Technical Specifications and Data

Provides comprehensive technical data, dimensions, and weights for all valve configurations.

Installation

Installation Conditions and Environment

Pre-Installation Preparation

Mounting and Connecting the Valve

Instructions for attaching the valve to the pipeline and connecting the actuator and wiring.

Post-Installation Testing

Procedures to verify correct installation and functionality, including leak, travel, fail-safe, and pressure tests.

Start-up

Pre-Start-up Checks

Start-up and Operation Procedure

Malfunctions and Troubleshooting

Troubleshooting Common Issues

Identifies common malfunctions, their causes, and recommended solutions.

Emergency Action Procedures

Servicing and Maintenance

Periodic Testing and Inspection

Inspection and Testing Procedures

Samson 3760 Specifications

General IconGeneral
BrandSamson
Model3760
CategoryValve Positioners
LanguageEnglish

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