Alfa Laval SB Instruction Manual
Pressure relief valve
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Summary of Contents for Alfa Laval SB
- Page 1 Instruction Manual Alfa Laval SB Pressure Relief Valve ESE02961-EN5 2022-11 Original manual...
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Page 3: Table Of Contents
Table of contents The information herein is correct at the time of issue but may be subject to change without prior notice 1. Declarations of Conformity ..............2. Safety ..................2.1. Important information ................2.2. Warning signs ..................2.3. Safety precautions ................3. -
Page 4: Declarations Of Conformity
Declaration of of of Conformity Conformity Declaration Conformity The Designated Company Alfa Laval Kolding A/S, Albuen 31, DK-6000 Kolding, Denmark, +45 79 32 22 00 Company name, address and phone number Hereby declare that Valve Designation SB Pressure Relief Valve... - Page 5 Declaration of of of Conformity Conformity Declaration Conformity The Designated Company Alfa Laval Kolding A/S, Albuen 31, DK-6000 Kolding, Denmark, +45 79 32 22 00 Company name, address and phone number Hereby declare that Valve Designation SB Pressure Relief Valve...
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Page 6: Safety
2 Safety Unsafe practices and other important information are emphasised in this manual. Warnings are emphasised by means of special symbols. 2.1 Important information Always Always Always r r r ead ead the the manual manual befor manual befor before e e using using using the the valve! -
Page 7: Safety Precautions
2 Safety All warnings in the manual are summarised on this page. Pay special attention to the instructions below to avoid serious personal injury and damage to the valve. 2.3 Safety precautions Installation: Installation: Installation: Always Always read the technical data thoroughly (see chapter 6 Technical Data.) Always Never Never touch the moving parts if the actuator for force opening is supplied with compressed air. -
Page 8: Installation
CAUTION CAUTION 1. Valve seat and disc 2. Lever and weight Alfa Laval cannot be held responsible for incorrect unpacking. 3. Bearing pins, washers and locking rings 4. Flange gasket (placed in valve seat) 5. Actuator for force opening (option) 6. -
Page 9: Valve Assembly
3 Installation The lever and weight are to be assembled with valve seat and disc. Make sure the serial number engraved on the disc matches the serial number engraved on the lever. 3.3 Valve assembly Pos. 1. Valve seat and disc Pos. -
Page 10: Welding Procedures For Welding Flange
3 Installation The lever and weight are to be assembled with valve seat and disc. Make sure the serial number engraved on the disc matches the serial number engraved on the lever. 3.4 Welding procedures for welding flange Step Step Step 1 1 1 Spot Spot weld... - Page 11 3 Installation The lever and weight are to be assembled with valve seat and disc. Make sure the serial number engraved on the disc matches the serial number engraved on the lever. Step Step Step 3 3 3 - Ensure that the surface flatness tolerance equals ±0.2. - Grind and polish the welding flange.
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Page 12: Installation Of Valve And Accessories
3 Installation The valve is to be fitted with M16 bolts. The options Splash guard and Force opener are also to be fitted with M16 bolts The Proximity sensor is to be fitted by the valve’s M6 screws. 3.5 Installation of valve and accessories Options Options Options... -
Page 13: Recycling Information
- At the end of use, the equipment should be recycled according to relevant local regulations. As well as the equipment itself, any hazardous residues from the process liquid must be considered and dealt with in a proper manner. When in doubt, or in the absence of local regulations, please contact your local Alfa Laval sales company. -
Page 14: Operation
Reset pressure = Set pressure x 0.9 Set pressure > 1.0 bar (14.5 psi) Reset pressure = Set pressure - 0.15 bar (2.17 psi) Set pressure < 1.0 bar (14.5 psi) Alfa Laval recommends an operating pressure of min. 10% lower than the set pressure value. -
Page 15: Discharge Capacity
4 Operation The valve is delivered with counterweight locked by welding to an individual opening pressure to suit the tank design data. 4.2 Discharge capacity In accordance with EN 4126-1 Capacity measured at: ΔP=10% Set pressure ≥ 1 bar (14.5 psi) ΔP=0.1 x Set pressure <... - Page 16 4 Operation The valve is delivered with counterweight locked by welding to an individual opening pressure to suit the tank design data.
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Page 17: Recommended Cleaning
4 Operation The valve is delivered with counterweight locked by welding to an individual opening pressure to suit the tank design data. 4.3 Recommended cleaning Always handle lye and acid with great care. Always Always Caustic hazar hazard! d! d! Caustic Caustic hazar... -
Page 18: Maintenance
To ensure the valve operates correctly, test of function at regular intervals is required. Intervals are dependent on operation conditions and should be specified by the user or local regulations. Alfa Laval recommend intervals of once every 6-12 months. O-ring and flange gasket replacement every 2-5 years. -
Page 19: Technical Data
6 Technical Data It is important to observe the technical data during installation, operation and maintenance. All personnel should be informed about the technical data. 6.1 Technical data The Pressure Relief Valve is used to minimise the risk of damage to tanks due to liquid overfilling. The Pressure Relief Valve is delivered with counterweight set and locked to suit customer requirements regarding opening pressure. - Page 20 6 Technical Data It is important to observe the technical data during installation, operation and maintenance. All personnel should be informed about the technical data. W W W eight eight eight Nominal size size Set pr pr pressur essure e e range essur range range...
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Page 22: Parts List And Service Kits
7 Parts List and Service Kits It is important to observe the technical data during installation, operation and maintenance. All personnel should be informed about the technical data. 7.1 Pressure Relief Valve... - Page 23 7 Parts List and Service Kits It is important to observe the technical data during installation, operation and maintenance. All personnel should be informed about the technical data. Parts Parts Parts list list list Pos. Denomination O-ring, EPDM Gasket, EPDM Screw �...
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Page 24: Force Opener
7 Parts List and Service Kits It is important to observe the technical data during installation, operation and maintenance. All personnel should be informed about the technical data. 7.2 Force Opener... - Page 25 7 Parts List and Service Kits It is important to observe the technical data during installation, operation and maintenance. All personnel should be informed about the technical data. Parts Parts Parts list list list Pos. Denomination Air fitting O-ring, NBR Spring �...
- Page 26 © Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights. It is the responsibility of the user of this document to comply with all applicable intellectual property laws. Without limiting any rights related to this document, no part of this document may be copied, reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB.
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