OPERATION AND MAINTENANCE MANUAL
12-2015
12
The above-round hydrants are accepted and produced in accordance with: PN-EN 1074-6:2009 (Valves for
water supply. Fitness for purpose requirements and appropriate verification tests. Hydrants.) and PN-EN
14384:2009
(Above-ground fire hydrants.) All hydrants (100%) are subject to tightness testing. The tests include external
body tightness and closing tightness.
2.9 MARKINGS
The above-ground 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 with UV protection.
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.
3.3 STORAGE
Store the hydrants in sheltered rooms.
