Jafar 2909 Handbuch für Betrieb und Wartung - Seite 7
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2.5 ORDERING INFORMATION
Water supply system valves are specific purpose industrial valves, therefore orders must include:
- part number (P/N, equal to the product type);
- intended use, e.g. for water supply systems,
and:
- nominal diameter, acc. to PN-EN ISO 6708: 1998
- nominal pressure, acc. to PN-89/H-02650;
- type of body material — acc. to PN-EN 1561: 2012 or PN-EN 1563: 2012
- maximum operating temperature, acc. to PN-89/H-02650.
2.6 PRODUCTION AND ACCEPTANCE
TYPE 2109 and TYPE 2909 metal seated gland packed gate valves are accepted and produced in
accordance with: PN-EN 1074-2: 2002 (Valves for water supply. Fitness for purpose requirements and
appropriate verification tests. Isolating valves) and PN-EN 12266-1: 2012 (Industrial valves. Testing of valves).
All gate valves are leak tested (100%). The tests include external body tightness and closing tightness.
2.7 MARKINGS
The gate valve marking meets the following standards: PN-EN-19: 2005, PN-EN-1171: 2007.
The gate valve bodies feature markings on the front and back walls of the body chamber. The marking
contains the following data:
The location on the valve specified in the documentation features the nameplate which contains the
following data:
3 PROTECTION, STORAGE & TRANSPORT
3.1 PROTECTIVE COATINGS
All inner and outer cast-iron surfaces are protected with grey polyvinyl coat.
The anti-corrosion coating layer minimum thickness is 100µm.
The casting surface is pre-treated for polyvinyl coating in accordance with the relevant technical documentation
and PN-EN ISO 12944-5: 2009.
The screws connecting the body and the cover are manufactured as stainless, grade 1.4301 or Fe/Zn5 (galvanised
steel).
3.2 PACKAGING
The gate valves are packed on EURO pallets (1200x800) and protected with heat-shrunk film.
- valve type (defined by the product reference standard number)
- nominal diameter
- nominal pressure
- body material type
- manufacturer trademark
- manufacturer's company name and logo
- serial number
- sealing temperature rating
- construction mark "B" and/or mark "CE" (as applicable)
- product type.
OPERATION AND MAINTENANCE MANUAL
12-2015
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