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Summary of Contents for Alfa Laval HLSD-2
- Page 1 Alfa Laval Access Tank Cover – Type HLSD-2 Tank covers circular Instruction Manual Lit. Code 200007963-1-EN-GB BRITISH ENGLISH...
- Page 2 © Alfa Laval AB 2025-04 This document and its contents are subject to copyrights and other intellectual property rights owned by Alfa Laval AB (publ) or any of its affiliates (jointly “Alfa Laval”). No part of this document may be copied, re-produced or transmitted in any form or by any means, or for any purpose, without Alfa Laval’s prior express written permission. Information and services provided in this document are made as a benefit and service to the user, and no representations or warranties are made about the accuracy or suitability of this information and these services for any purpose.
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Page 3: Table Of Contents
Opening of Cover....................19 Cleaning........................20 5 Maintenance ......................21 Maintenance......................21 6 Technical Data ......................23 Technical Data......................23 Physical Data......................23 Options........................24 Selection Table......................25 Dimensions ......................26 Certificates.......................26 7 Spare Parts .........................27 Ordering Spare Parts....................27 Alfa Laval Service....................27 Warranty........................27 Warranty - Definition....................28... - Page 4 This page is intentionally left blank.
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Page 5: Safety
Instruction Manual without prior notice or any obligation. The English version of the Instruction Manual is the original manual. Alfa Laval cannot be held responsible for incorrect translations. In case of doubt, the English version applies. -
Page 6: Safety Signs
1 Safety 1.1 Safety Signs Mandatory action signs General mandatory action sign. Refer to instruction manual. Wear protective equipment - safety helmet. Warning Signs General warning. Transportation with forklift truck or other industrial vehicles if heavy. Heavy object lifting. 200007963-1-EN-GB... -
Page 7: Safety Precautions
Safety 1 1.2 Safety Precautions Pay special attention to the instructions below so that severe personal injury and/or damage to the supplied Alfa Laval product is avoided. General Always ensure that personnel must have experience with lifting operations. Always ensure the lifting point to be in line with center of gravity. - Page 8 Safety check A visual inspection of any protective device (shield, guard, cover or other) on the supplied Alfa Laval product shall be carried out at least every 12 months. If the protective device is lost or damaged, especially when this leads to deterioration of safety performance, it shall be replaced.
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Page 9: Warning Signs In Text
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate damage to the supplied Alfa Laval product. NOTE Indicates important information to simplify or clarify procedures. 200007963-1-EN-GB... -
Page 10: Requirements Of Personnel
Trainees can perform tasks under the supervision of an experienced employee. People in general The public shall not have access to the supplied Alfa Laval product. In some cases, specially skilled personnel may need to be hired (i.e. electricians, welders). In some cases the personnel has to be certified according to local regulations with experience of similar types of work. -
Page 11: Recycling Information
Metal straps should be sent for material recycling Maintenance During maintenance, oil (if used) and wear parts in the supplied Alfa Laval product should be replaced. • Oil and all non-metal wear parts must be disposed of in accordance with local regulations •... - Page 12 This page is intentionally left blank.
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Page 13: Introduction
It is approved for use on pressure vessels according to PED 2014/68/EU. The HLSD-2 offers a quick, easy and convenient means of entry and egress to tank interiors. It also provides a closable means of access to the interior of the vessel, situated above or below the liquid level. -
Page 14: Intended Use
• that the construction materials (both metallic and nonmetallic) are compatibility with product, flushing media, cleaning media, temperatures and pressure under the intended use Alfa Laval covers are suitable for different applications (e.g.: filling, emptying, access for cleaning or inspection, general access opening etc.). 200007963-1-EN-GB... -
Page 15: Installation
Outward opening manhole cover type HLSD-2 is used on top of pressurized tanks and containers where closeable means of access to the interior of the vessel is required. HLSD-2 is approved and can be used on pressure vessels according to PED 2014/68/EU. - Page 16 This page is intentionally left blank.
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Page 17: Operation
4 Operation 4.1 Safety Regulations WARNING All operators must be trained / certified to work in the area of the container operation and must abide by the site safety regulations. All work on the cover must be carried out by competent staff with knowledge of the relevant rules of operation of container and pressure container. -
Page 18: Weld Into Position
4 Operation 4.3 Weld into Position To tack in, frame and vessel wall have to be adjusted carefully. By applying the tack weld, the weld crack has to be small. Short distances between the tack welds prevent deformation. During the welding of the neck to the container, it is preferable to have the cover lid closed and the operational seal removed (to be replaced by a temporary seal / spacer). -
Page 19: Closure Of Cover
Operation 4 4.5 Closure of Cover DANGER The operator is responsible for the safe closure of the cover. Study the instructions carefully and pay special attention to the warnings! Ensure before closing that the container is not occupied by persons, animals or inadmissible objects. -
Page 20: Cleaning
4 Operation 4.7 Cleaning The complete cover has to be cleaned as per the recommendations of the manufacturer of the container. It is the responsible of the operator to ensure that all cleaning agents used do not have an adverse affect on the cover materials and the seal. Cleaning agents should be thoroughly removed after use. -
Page 21: Maintenance
5.1 Maintenance Cover has to be checked regularly for damage (e.g. gasket, gasket seating, nut / screw and complete swing assembly, hinge, spring, etc. - Only Alfa Laval recommended spare parts to be used). We recommend inspection of each cover at least annually against mechanical damage, corrosion and tightness. - Page 22 This page is intentionally left blank.
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Page 23: Technical Data
All personnel should be informed about the technical data. 6.1 Technical Data The HLSD-2 pressure cover is designed according to Merkblatter AD 2000 and PED 2014/68/EU newest editions and designed for installation in pressure vessels until hazard category IV. The cover is not pressure tested and must be tested as a part of the pressure vessel. -
Page 24: Options
6 Technical Data 6.3 Options • Spring to assist opening. • Arrangement for securing cover in open and closed position. • Bracket for indication unit in size ø12 or ø18. Please specify size at order. • Handle in stainless steel. •... -
Page 25: Selection Table
Technical Data 6 6.4 Selection Table Cover Max. test thickness Max. allowable pressure PS (bar) at design temperature Td (ºC) Number pressure Size of bolts Ptest (SL) Cover 50 ºC 100 ºC 150 ºC 200 ºC 250 ºC radius 14.7 13.0 11.8 10.8... -
Page 26: Dimensions
6 Technical Data 6.5 Dimensions 4203-0000 Table 1: mm Size SL see selection table 1 Dimension only for guidance, measured before grinding and polishing 6.6 Certificates • 3.1 Certificate (EN10204) • EC unit verification module G according to PED 2014/68/EU •... -
Page 27: Spare Parts
Alfa Laval representative for availability. You can find our spare part catalogue at https://hygienicfluidhandling-catalogue.alfalaval.com. Always use Alfa Laval genuine spare parts. The warranty of Alfa Laval products is dependent on use of Alfa Laval genuine spare parts. 7.1 Ordering Spare Parts When ordering spare parts, please always state: 1. -
Page 28: Warranty - Definition
7.4 Warranty - Definition WARNING The rules of Intended use are absolute. Use of the supplied Alfa Laval product is allowed only when in compliance with the technical data supplied with the Intended use. Differing utilisation, other than agreed with Alfa Laval Kolding A/S, exclude any liability and warranty.
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