47
Pressure drop diagram referred to the body valve only.
In order to choose the correct type of valve it is necessary to know the system’s technical specifications.
For this reason the consultant has full responsibility for the correct choice of the valve.
SV WITH VALVE. DIMENSIONS BETWEEN BRACKETS ARE REFERRED TO SIZE 220÷328
6.3 DT – SHUT-OFF VALVE
It is a full bore ball valve with T handle; it is designed to separate the unit from the piping system if maintenance is required.
PRESSURE DROP DIAGRAM FOR VALVES
Water ow [l/h]
Kvs=1,7
Kvs=1,6
Kvs=2,5
Kvs=2,6
Pressure drop [kPa]
130
140
150
160
120
110
100
90
80
70
60
50
40
30
20
10
0
0 0,2 0,4 0,6 0,8 1,2 1,4 1,6 1,81 2
MAXIMUM OPERATING PRESSURE WITH VALVES: 10 BAR.