Translation of original instructionsEB 8052 ENType 3251 and Type 3251-AM Valve · ANSI versionIn combination with an actuator,e.g. a Type 3271 or Type 3277 Pneumatic ActuatorEdition March 2024Type 3251/3251-AM Valve with Type 3271 Actuator1) UKCA conformity, Type 3251 only (not Type 3251-AM)1)

Samson 3251 Mounting And Operating Instructions

Safety instructions and measures

Certificates

Notes on possible severe personal injury

Notes on possible property damage

Warnings on the device

Markings on the device

Actuator nameplate

Design and principle of operation

Versions

Valve accessories

Shipment and on-site transport

Transporting the valve

Lifting the valve

Storing the valve

Installation

Preparation for installation

Assembly

Mounting the actuator onto the valve

Testing the installed valve

Leak test

Travel motion

Operation

Working in closed-loop operation

Malfunctions

Emergency action

Servicing

Periodic testing

Decommissioning

Preparing the valve for service work

Replacing the gasket

Replacing the seat and plug

Appendix

Removal

Removing the valve from the pipeline

Returning devices to SAMSON

Disposal

Tightening torques, lubricants and tools

3251

Markings on the control valve

Measures for preparation

Transporting

Storage

Mounting and start-up

Installing the valve into the pipeline

Additional fittings

Quick check

Version with insulating section or bellows seal

Version with insulating section

Standard version

Preparation for return shipment

Decommissioning and disassembly

Removing the actuator from the valve

Annex

Spare parts

3251-AM

EB 8052 EN