Alfa Laval HLSD-2, Инструкция по эксплуатации, Страница: 9 / 16

5 Operation
Study the instructions carefully and pay special attention to the warnings!
5.4 Assembly
When surface treatment is completed (ground, pickled, polished, shot-blasted etc), all components have to be assembled
carefully.
Screws / Swing-pins must be assembled completely (i.e. securing the bolts with the safety cir-clips, clamp sleeve, washer and
nut / handle to be correctly assembled to the screws / swing-pins).
Before starting a process or putting the container under pressure / temperature, all equipment must be checked to ensure correct
functionality; (hinge, gasket seating, screws/swing-pins including all safety cir-clips assembled, locking bolt, nuts/handles etc.)
5.5 Material lifetime
As the customer selects the material by order, no warranty in relation to material lifetime is offered by Alfa Laval Kolding A/S. It
is the responsibility of the operator to make sure, that product coming in contact with the cover or seal, are suitable and the
materials and seal are sufficiently resistant to the product / conditions.
5.6 Closure of cover
The operator is responsible for the safe closure of the cover. Ensure before closing that the container is not occupied by
persons, animals or inadmissible objects.
Ensure before closing the cover that the sealing surface is free from any obstructions (i.e. body parts or equipment) as injury or
damage can occur.
Al parts relevant to security and pressure has to be checked visually before closing the cover. (e.g. gasket, gasket seating,
screws).
Cover has to be closed carefully without force. Look after good centralisation. Ensure seal is positioned correctly and
that contact area is clean.
Lid and neck should have a little lateral clearance, so that the gasket seating does not have metal contact.
Centre of lid flange has to enclose the gasket seating of the neck perfectly.
Screws/swing-pins are to be put in the correct position, so that the machined face of sleeves clings to the outside groove of
the lid flange.
The bolting arrangement must be tightened evenly and to a set torque when using a max allowable torque procedure in
several steps as follows:
A. 50% torque
B. 80% torque
C. Max. torque
Cross tightening of the bolting arrangement should be used when applying torque to the nut / handle (e.g. North, South, East,
West where appropriate).
The maximum torque for the screws is 40 Nm for M12 Screws and 60 Nm for M16 Screws.
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