KSB BOA-SuperCompact - Page 29

5 Valve Description
29 of 60
Characteristic Value
EN-GJL-250 EN-GJS-400-18-LT
Min. permissible temperature [°C] -10 -10
Max. permissible temperature [°C] +300 +350
Selection as per pressure/temperature ratings (ðSection5.5.1.4,Page30)
5.5.1.2 Fluids handled
▪ High-temperature hot water
▪ Saturated steam
▪ Thermal oil
▪ Liquids and gases not chemically or mechanically aggressive to the valve
materials.
▪ Other fluids on request.
5.5.1.3 Design details
Design
Valves to type series booklet 7117.1
▪ Straight-way or angle pattern with horizontal seat
▪ Spring-loaded check disc
▪ Flanges to DIN EN 1092-2 Type 21
▪ Exterior coating: 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 Groups1and2.
▪ The valves do not have a potential internal source of ignition and can be used in
potentially explosive atmospheres, GroupII, category2 (zones1+21) and
category3 (zones2+22) to ATEX2014/34/EU.
▪ Type-tested to the specifications of Germanischer Lloyd and Bureau Veritas.
Variants
▪ Oil-free and grease-free: lubricated exclusively by mineral oil free lubricants
approved by the German Federal Office for Materials Testing (Bundesanstalt für
Materialforschung und -prüfung, BAM)
▪ Other flange designs
▪ High-temperature resistant paint (grey aluminium)
▪ Low-temperature steel bolts for temperatures down to -30°C (EN-GJS-400-18-LT
only) up to 0.75xPN (max.)
▪ Certification to customer specification
17) Intermediate temperatures can be derived by linear interpolation.
18) Static load