OPERATION AND MAINTENANCE MANUAL
09-2015
7
The valve bodies feature markings on the front and back walls of the body chamber. The marking
contains the following data:
- valve type (defined by the product reference standard number)
- nominal diameter
- nominal pressure
- body material type
- manufacturer trademark
The location on the valve specified in the documentation features the nameplate which contains the
following data:
- manufacturer's company name and logo
- serial number
- sealing temperature grade
- the Polish Building Mark "B" and/or the CE mark (as applicable)
- product type
3 PROTECTION, STORAGE & TRANSPORT
3.1 PROTECTIVE COATINGS
All inner and outer cast-iron surfaces are protected with electro-deposited epoxy coat. The coat has been
approved for contact with foodstuffs.
The anti-corrosion coating layer minimum thickness is 250
µ
m.
The casting surface is pre-treated for epoxy coating in accordance with the relevant technical documentation and
PN-EN ISO 12944-5: 2009.
The cover-to-body fastening bolts are grade OH18N9 (stainless steel) or Fe/Zn5 (galvanized steel).
3.2 PACKAGING
The flanged check ball valves are packed on EURO pallets (1200x800) and protected with heat-shrunk
film.
3.3 STORAGE
Store the check ball valves in sheltered rooms.
3.4 TRANSPORT
Transport the check ball valves on sheltered vehicles. The following diagram shows an example of
vertical handling on belt slings.
The ball valves from DN100 to DN5000 shall be installed and handled with slings.