Zetkama zGLO, User Manual

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5. APPLICATION
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industry
•
heating
•
refrigeration and air conditioning
•
hot and cold industrial water
•
industrial oils
•
steam
•
compressed air
•
neutral fluids - gases and liquids of group 1 and 2 according to Regulation EC No 1272/2008 resulting from the
practice of using
* not all of the applications are suitable for all of the executions
When selecting the valve for specific medium, ”List of Chemical Resistance” can be helpful. It can be found at manufacturer
website near catalogue cards.
Valves were designed for normal working conditions. In the case that working conditions exceed these requirements (for example
for aggressive or abrasive medium) user should ask manufacturer before placing an order.
Working pressure should be adapted to maximum medium temperature according to the table as below.
Acc to EN 1092-2 Temperature [º C]
Material PN -10 do 120 150 200 250 300 350
EN-GJL250 16 16 bar 14,4 bar 12,8 bar 11,2 bar 9,6 bar ------------
EN-GJS400-18 LT 16 16 bar 15,5 bar 14,7 bar 13,9 bar 12,8 bar 11,2 bar
EN-GJS400-18 LT 25 25 bar 24,3 bar 23 bar 21,8 bar 20 bar 17,5 bar
Acc to EN 1092-3 Temperature [º C]
Material PN -10 do 120 150 200 220
CuSn5Zn5Pb5-C 6 6 bar 6,0 bar 5,0 bar 4,0 bar
CuSn5Zn5Pb5-C 10 16 bar 14,4 bar 12,8 bar 11,2 bar
CuSn5Zn5Pb5-C 16 16 bar 15,5 bar 14,7 bar 13,9 bar
Pressure acc
EN 1092-1
Temperature [º C]
Material PN -20 < do <-10 -10 do 50 100 150 200 250 300 350 400
GP240GH 40 30 bar 40 bar 37,1 bar 35,2 bar 33,3bar 30,4 bar 27,6 bar 25,7 bar 23,8 bar
Pressure acc EN 1092-1 Temperature [º C]
Material PN -60 < do <-10 -10 do 100 150 200 250 300 350 400
G-X5CrNiMo 19-11-2 40 40 bar 40 bar 36,3 bar 33,7 bar 31,8 bar 29,7 bar 28,5 bar 27,4 bar
Plant designer is responsible for valve selection suitable for working conditions.