Table of Contents
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Table of Contents
Related Manuals for Samson 42-25
Summarization of Contents
Safety Instructions and Measures
Notes on Possible Severe Personal Injury
Details risks of bursting in pressure equipment and necessary precautions.
Notes on Possible Personal Injury
Covers risks from illegible markings, loud noise, moving parts, and loaded springs.
Notes on Possible Property Damage
Highlights risks of damage from incorrect slings, unsuitable media, contamination, lubricants, and tools.
Markings on the Device
Nameplates
Describes the nameplates for Type 2422 Valve and Type 2420/2425 Actuators.
Location of Nameplates
Shows the physical location of nameplates on the regulator components.
Material Identification Number
Identifies material numbers for Type 2422 Valve and Type 2420/2425 Actuators, including nameplate fields.
Design and Principle of Operation
Additional Fittings
Details the installation of pressure gauges and bypass/shut-off valves.
Technical Data
Provides key technical specifications, conformity, and application scope.
Shipment and On-Site Transport
Accepting the Delivered Goods
Steps for checking scope, damage, and weight upon delivery.
Removing Packaging from the Regulator
Instructions on handling protective caps and packaging before installation.
Transporting and Lifting the Regulator
Safety warnings and methods for transporting and lifting the regulator, covering specific instructions.
Storing the Regulator
Guidelines for proper storage to prevent damage and maintain integrity.
Installation
Installation Conditions
Covers work position, pipeline routing, and mounting position requirements.
Preparation for Installation
Lists checks and preparations before assembling/installing the valve and actuator.
Installation
Steps for assembling components and installing the regulator into the pipeline, including bolt tightening.
Testing the Regulator
Procedures for performing leak tests, pressure tests, filling the plant, and cleaning pipelines.
Insulation
Guidance on insulating cold systems and specific insulation precautions.
Start-up
Start-up and Putting Regulator Back into Operation
Steps for bringing the regulator back online after installation or maintenance.
Starting up the Plant
Procedures for filling the plant with media and starting operations.
Operation
Adjusting the Differential Pressure Set Point
Instructions for setting and checking the differential pressure set point.
Malfunctions
Troubleshooting
Table of common malfunctions, possible reasons, and recommended actions.
Emergency Action
Procedures for responding to regulator malfunctions and emergency situations.
Servicing
Preparing the Valve for Service Work
Steps for preparing the regulator before performing maintenance or service.
Installing the Regulator After Service Work
Procedures for re-installing the regulator after servicing.
Service Work
General guidance on performing service work and checks after completion.
Replacing the Actuator
Instructions for removing and mounting the actuator.
Replacing the Seat and Plug
Information on replacing the seat and plug components.
Replacing the Actuator's Operating Diaphragm
Steps for removing and mounting the operating diaphragm for Type 2420 and Type 2425 actuators.
Ordering Spare Parts and Operating Supplies
Guidance on contacting SAMSON for spare parts, lubricants, and tools.
Removal
Removing the Regulator from the Pipeline
Steps for safely detaching and removing the regulator from the pipeline.
Removing the Actuator from the Valve
Refers to the 'Servicing' section for instructions on actuator removal.
Repairs
Returning Devices to SAMSON
Procedures for returning defective devices to SAMSON for repair.
Annex
Tightening Torques
Table of specified tightening torques for various components.
Lubricant
Information on lubricants and sealants approved by SAMSON.
Tools
Information on tools approved by SAMSON for servicing.
Accessories
Lists available accessories like control line kits and needle valves.
Spare Parts
Details on available spare parts with diagrams and part numbers.
After-Sales Service
Contact information and required details for SAMSON After-sales Service.
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