KSB BOA-SuperCompact - Page 31

5 Valve Description
31 of 60
5.5.2 BOA-RVK
5.5.2.1 Operating data
Table23: Operating properties
Characteristic Value
PN 6
21)
PN 6/10/16
22)
Nominal pressure PN 6 PN 6/10/16
Nominal size DN 15 - 200 DN 15 - 200
Max. permissible pressure [bar] 6 16
Min. permissible temperature [°C] -10 -20
Max. permissible temperature [°C] +100 +250
Selection as per pressure/temperature ratings (ðSection5.5.2.4,Page32)
5.5.2.2 Fluids handled
▪ Hot water
▪ High-temperature hot water
▪ Other fluids on request.
5.5.2.3 Design details
Design
Valves to type series booklet 7119.1
▪ Wafer-type lift check valve
▪ Shut-off by spring-loaded plate or valve disc guided by guide pins
▪ Centering aid is part of the valve body
▪ Short face-to-face length to EN 558/49
▪ External coating:
DN 15-100: body made of brass, without coating
DN 125-200: body made of grey cast iron, coated blue (RAL5002)
▪ The valves satisfy the safety requirements of AnnexI of the European Pressure
Equipment Directive 2014/68/EU (PED) for fluids in Group 2.
21) Obturator: metal/plastic plate
22) Seat/disc interface: metal
23) Intermediate temperatures can be derived by linear interpolation.
24) Static load
25) EN-GJL-250 (5.1301) for temperatures down to -10 °C only