Jafar 3126 Manuale di funzionamento e manutenzione - Pagina 7
Sfoglia online o scarica il pdf Manuale di funzionamento e manutenzione per Unità di controllo Jafar 3126. Jafar 3126 9. Gate valves with soft seals with threaded connections
Stampa la pagina2.6 MANUFACTURE AND ACCEPTANCE
TYPE 3116 and TYPE 3126 gate valves with soft seals are accepted and produced in accordance with: EN
1074-2 (Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Isolating
valves) and EN 12266-1 (Industrial valves. Testing of metallic valves). All gate valves are leak tested (100%).
The tests include external body tightness and closing tightness.
2.7 MARKING
The gate valve marking meets the following standards: EN-19, EN-1074-1.
The gate valve bodies feature markings on the front and back walls of the body chamber. The marking
contains the following data:
The location specified in the documentation features the nameplate which contains the following data:
3 PROTECTION, STORAGE & TRANSPORT
3.1 PROTECTIVE COATINGS
All internal and external cast iron surfaces are protected with epoxy paint, applied electrostatically. The paint
is approved for contact with food products.
The thickness of the anti-corrosion coating layer is min. 250 µm.
The casting surface is pre-treated for epoxy coating in accordance with the relevant technical documentation and
standard EN ISO 12944-5.
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.
3.3 STORAGE
Store the gate valves in sheltered rooms.
- valve type (defined by the product reference standard number)
- nominal diameter
- nominal pressure
- body material type
- manufacturer trademark
- company name and mark
- product serial number
- sealing temperature rating
- construction mark "B" and/or mark "CE" (as applicable)
- product type.
OPERATING AND MAINTENANCE MANUAL
12-2016
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