5 Valve Description
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5.3.3 BOA-Compact EKB
5.3.3.1 Operating data
Table11: Operating properties
Characteristic Value
Nominal pressure PN 10/16
Nominal size DN 15 - 200
Max. permissible pressure [bar] 16
Min. permissible temperature [°C] -10
Max. permissible temperature [°C] +80
9)
5.3.3.2 Fluids handled
▪ Drinking water
▪ Service water
▪ Not suitable for steam or fluids liable to attack EPDM and the electrostatic plastic
coating.
▪ Other fluids on request.
5.3.3.3 Design details
Design
Valves to type series booklet 7112.11
▪ Straight-way globe valve with slanted seat
▪ Slanted seat design
▪ Short face-to-face length to DIN EN 558/14
▪ Single-piece pressure-retaining body
▪ Non-rising handwheel
▪ Flanges to DIN EN 1092-2 Type 21
▪ Position indicator outside the insulating material
▪ Non-rotating stem with protected, external thread
▪ Maintenance-free stem seal with EPDM profile ring
▪ Compact EPDM-encapsulated throttling plug as soft main seat and back seat
▪ Corrosion protection: internal and external electrostatic plastic coating (EKB),
anthracite grey
▪ Locking device, travel stop, position indicator and throttling plug as standard
▪ The valves satisfy the safety requirements of AnnexI of the European Pressure
Equipment Directive 2014/68/EU(PED) for fluids in Group2.
Variants
▪ Lead-sealable cap (prevents unauthorised actuation) as assembly set
▪ Electric actuators
9) As stipulated by EN806-2Section 3.4 Table 2, the valve can withstand temperatures of up to 95°C for short periods in the
event of incorrect system operation.