Jafar 8003, Руководство по эксплуатации и обслуживанию

Страница: 7 / 15

OPERATION AND MAINTENANCE MANUAL 12-2015
7
Caution! It is prohibited to open this type of hydrant with a closed shutoff gate valve because the poppet
sliding down must be able to push a water column in the direction opposite to the flow direction during
the first phase of its movement.
2.2 MATERIALS DN80
List of basic materials used for the construction of an overground hydrant TYPE 8003 DN80 —
See table
Item Part name Material Reference standard
1 Main body
Cast-iron, EN-GJS 400-15
EN-GJS500-7
PN-EN1563: 2012
2 Ball chamber
Cast-iron, EN-GJS 400-15
EN-GJS500-7
PN-EN1563: 2012
3 Column
Cast-iron, EN-GJS 400-15
EN-GJS500-7
Steel 1.0254
Stainless steel 1.4301 PN-EN1563: 2012
PN-EN 1,503-3:2003
PN-EN 10088-1:2014
4 Seat Brass PN-EN 1982:2010
5 Poppet
Cast-iron, EN-GJS 400-15
EN-GJS500-7
EPDM PN-EN1563:2012
PN-ISO1629:2005
6 Cap
Cast-iron, EN-GJS 400-15
EN-GJS500-7
PN-EN1563: 2012
7 Stem Stainless steel 1.4021 PN-EN 10088-1: 2014
8 Spindle Stainless steel 1.4301 PN-EN 10088-1:2014
9 Saddle tee Aluminium, AlSi PN-EN 1706:2011
10 Coupling
Cast-iron, EN-GJS 400-15
EN-GJS500-7
PN-EN1563: 2012
11 Lower body
Cast-iron, EN-GJS 400-15
EN-GJS500-7
PN-EN1563: 2012
12 Lower flange
Cast-iron, EN-GJS 400-15
EN-GJS500-7
PN-EN1563: 2012
13 Stopper Brass PN-EN 1982:2010
14 Stem nut Brass PN-EN 1982:2010
15 O-ring EPDM PN-ISO 1629:2005
16 Bolt Stainless steel, A2
PN-EN ISO 4017: 2011
PN-EN ISO 4762: 2006
17 Nut Stainless steel, A4 PN-EN ISO 4032: 2013
18 Ball
Cellular polypropylene or aluminium
alloy AlSi/EPDM PN-EN 1706:2011
PN-ISO 1629:2005
19 Drainage Polypropylene PP PN-EN ISO 1873-1:2000