TECHNICAL DOCUMENTATION
SCHAKO | Ferdinand Schad KG
Telefon 0 7463-980-0
Steigstraße 25-27
Fax
0 7463-980-200
D-78600 Kolbingen
www.schako.de | infoschako.de
PERFORMANCE DATA
Operating temperature: 10 - 50 °C
Differential pressure range: 20 - 750 Pa
Volumetric flow measurement range from 13 m
3
/h to
2195 m
3
/h
Minimum pressure difference 5 to 150 Pa
VLV55
for air velocity 0.5 to 5 m/s
VLV65
for air velocity 1 to 8 m/s
SPECIAL FEATURES
after moulded parts no inflow area required
optimised for air velocities from 0.5 m/s
high control accuracy at low pressures and air veloci-
ties
position-independent installation
resistant to pollution due to the design
TESTS AND STANDARDS
VDI 6022, Sheet 1
: Hygienic requirements of ventila-
tion and air-conditioning systems
DIN EN 13779 (2007):
Ventilation of non-residential
buildings
Leakage air: EN 1751 (2014-06)
DIN EN 1751, class 4:
Leakage with damper blade
closed
DIN EN 1751, class C
: Housing leakage
APPROVALS AND CERTIFICATES
RoHS 2002/95/EC
EMC 2004/108/EC
Low voltage 2006/95/EC
VLV55|VLV65
Volumetric flow controller
