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Genebre Building. Av. de Joan Carles I, 46-48
08908 L'Hospitalet de Llobregat. Barcelona (Spain)
genebre@genebre.es - www.genebre.es
INSTALLATION, OPERATION AND MAINTENANCE
MANUAL
"V" control ball valve, 3 pieces direct mount
Threaded ends, Butt Weld and Socket Weld
GENEBRE Reference: 2025V – 2025NV – 2026V – 2027V
GENEBRE S.A.
LAST UPDATE: 13/08/2020
UPDATE NUMBER: 0
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Table of Contents
Related Manuals for Genebre 2025V
Summarization of Contents
Product Description and Handling
Product Description
Overview of ball valves for industrial fluid handling and applications.
Transport and Storage Conditions
Guidelines for safe transport, storage, and handling of valves to prevent damage.
Valve Breakdown and Components
Drawing and Components
Illustrated breakdown of valve parts for specific models (Art. 2025V/2025NV/2026V/2027V).
Installation Preparation
Preparation
Steps for preparing pipes and workspace before valve installation, ensuring cleanliness.
Valve Assembling
Assembling
Detailed instructions for assembling threaded and welded end valves.
Operational Usage
Usage
Proper usage of ball valves, fluid compatibility, and operating limits.
Operation Methods
Manual Operation
How to operate the valve manually and identify stem position.
Remote Operation
Options for automating valve operation with actuators and positioners.
Maintenance and Leakage
Stem Leakage
Procedures to fix stem leakage and when to replace packing.
Body/Cap Joint Leakage
Steps to diagnose and repair leaks at the body-cap connection.
Line Leakage (through seats)
How to identify and resolve leakage occurring through valve seats.
Repair Procedures
Disassembling
Instructions for disassembling valve components for repair.
Reassembling
Steps for correctly reassembling the valve after repair.
Torque Specifications
Breakaway Torque
Table of breakaway torque values based on valve size.
Torques for Stem Nut
Recommended torques for tightening the stem nut.
Tightening Torque Screws/Nuts
Specified torques for screws and nuts joining valve parts.
Safety and Hygiene Instructions
General Safety Precautions
Essential safety measures and personal protection equipment for valve operation.
Valve Depressurization
Ensuring the valve is depressurized before removal.
Cleanliness for Toxic Services
Requirement for cleanliness certificates for valves in toxic services.
Ventilation for Repairs
Performing repair and maintenance in ventilated areas.
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