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BESA 241 - User Manual

BESA 241
49 pages
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VÁLVULAS DE SEGURIDAD
®
UNI EN ISO 9001: 2000
VÁLVULAS DE SEGURIDAD - SAFETY VALVES
20131 MILANO - Via Donatello, 31
Tel. +39-02.70.63.47.20 r.a.
Fax. +39-02.23.63.996
Internet: www.besa.it E-mail: besa@besa.it
VÁLVULAS DE SEGURIDAD
241
242
241F
242F
131
132
251
252
261
262
139
249
271
Modelo
Type
n° 1115
Matrícula
Serial No.
MANUAL DE USO Y MANTENIMIENTO
USE AND MAINTENANCE MANUAL
®
SAFETY VALVES
SAFETY VALVES

Table of Contents

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Summary

1 TRANSPORT AND HANDLING

2 DESCRIPTION OF THE VALVE

2.1 DATA OF THE VALVE

Details on the identification label, serial number, and set pressure value printed on the valve body.

2.2 GENERAL FEATURES

Explains safety valves as emergency discharge devices and their compliance with standards.

2.3 SPECIFICATIONS Type 241-242

Provides detailed components and diagrams for valve models 241 and 242.

2.4 SPECIFICATIONS Type 241-242 DN 200-250

Details components and diagrams for larger valve models 241-242 DN 200-250.

2.5 SPECIFICATIONS Type 241 F - 242 F

Specifies components and diagrams for valve models 241F and 242F.

2.6 SPECIFICATIONS Type 131 - 132

Details components and diagrams for valve models 131 and 132.

2.7 SPECIFICATIONS Type 251 - 252

Lists components and diagrams for valve models 251 and 252.

2.8 SPECIFICATIONS Type 261 -262

Provides components and diagrams for valve models 261 and 262.

2.9 SPECIFICATIONS Type 139

Details components and diagrams for valve model 139.

2.10 SPECIFICATIONS Type 249

Specifies components and diagrams for valve model 249.

2.11 SPECIFICATIONS Type 271

Details components and diagrams for valve model 271.

3 INSTALLATION

3.1 GOODS CHECKING AND LIFTING METHOD

Procedure for checking received goods, verifying valve integrity, and safe lifting methods.

3.2 INSTALLATION PROCEDURES

Guidelines for proper installation, material suitability, connection checks, and safety precautions.

3.3 INSTALLATION OF THE VALVE

Instructions for mounting the valve, connecting pipes, and ensuring system compatibility.

4 SAFETY VALVE OPERATION

4.1 OPERATING PRESSURE OF THE PROTECTED EQUIPMENT

Defines safe operating pressure limits relative to the valve's set pressure.

4.2 SAFETY VALVES WITH SOFT TIGHTNESS

Discusses soft tightness seals and their maintenance requirements.

4.3 PRESSURE LOSS

Explains the impact of pressure loss on valve function and inlet/outlet connection requirements.

4.4 DISCHARGE OF HARMFUL OR DANGEROUS MEDIUMS

Procedures for handling discharge of hazardous fluids, including closed bonnet requirements.

4.5 PERIODIC INSPECTION OF BELLOW TIGHTNESS

Details periodic checks for bellow tightness and replacement intervals.

4.6 SPRING EFFECT IN CASE OF DISCHARGE OF MEDIUM AT HIGH TEMPERATURE

Explains how high temperatures can affect spring performance and set pressure.

4.7 CRYSTALLIZATION; POLYMERIZATION OF MEDIUM

Addresses issues of fluid crystallization or polymerization affecting valve operation.

4.8 MEDIUM LEAKAGE

Instructions for monitoring and addressing medium leakage between seat and disc surfaces.

5 MAINTENANCE

5.1 GENERAL INFORMATION

Provides general guidelines, safety information, and valve lifespan.

5.2 SAFETY INSTRUCTIONS

Key safety measures to follow during control and maintenance operations.

5.3 CLOTHING

Recommends personal protective equipment for specific installation scenarios.

5.4 ORDINARY MAINTENANCE

Task of the system operator to monitor valve efficiency and contact technicians.

5.5 CLEANING AND LUBRICATION

Maintenance requires keeping valves clean, as they operate without lubrication.

5.6 PRESSURE ADJUSTMENT

Detailed procedures for adjusting the valve's set pressure.

5.7 SPRING REPLACEMENT

Step-by-step guide for replacing the valve spring.

5.8 CUSTOMER CARE SERVICE

Contact information for technical assistance and inquiries.

5.9 SPARE PARTS LIST

List of available original spare parts for BESA safety valves.

6 DISMANTLING

6.1 STORAGE

Recommendations for storing the valve when not in use for extended periods.

6.2 DISMANTLING PROCEDURES

Instructions for dismantling the valve, emphasizing environmental protection.

BESA 241 Specifications

General IconGeneral
BrandBESA
Model241
CategoryControl Unit
LanguageEnglish

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