OPERATION AND MAINTENANCE MANUAL
01-2016
15
PN-EN ISO 12944-5: 2009
Paints and varnishes. Anti-corrosion protection of steel structures by means of
protective painting systems. Protective paint systems.
2.7 ORDERING REGULATIONS
Underground fire hydrants are specific purpose industrial valves, therefore orders must include:
- product's catalogue number,
- intended use, e.g. for fire water supply systems;
furthermore:
- 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 1563: 2012
- max. operating temperature — acc. to PN-89/H — 02650.
2.8 MANUFACTURE AND ACCEPTANCE
The underground hydrants are accepted and produced in accordance with: PN-EN 1074-6:2005 (Valves for
water supply. Fitness for purpose requirements and appropriate verification tests. Hydrants.) and PN-EN
14339:2005
(Underground hydrants). All hydrants (100%) are subject to tightness testing. The tests include external body
tightness and closing tightness.
2.9 MARKINGS
The underground hydrants are marked in accordance with:
PN-EN-19: 2005, PN-EN-1074-6: 2009
markings on the front and back walls of the body chamber. The marking contains the following data:
- nominal diameter
- nominal pressure
- type of body material
- manufacturer trade mark
- direction of medium flow.
The location on the valve specified in the documentation features the nameplate which contains the
following data:
- manufacturer's company name and logo
- product 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 and column pipes 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
standard PN-EN ISO 12944-5: 2009.
The fastening bolts for external hydrant's part, if other than stainless steel grade 1.4301, should
have corrosion protection in the form of coat, e.g. Fe/Zn5.
3.2 PACKAGING
The hydrants are placed in plastic film sleeves and additionally wrapped with stretch wrap when placed on
pallets.
