4 Valve Description
14 of 36
BOA-Control PIC
7138.8/01-EN
4 Valve Description
4.1 General description
▪
Valve for the hydraulic balancing of hot-water heating systems, air-conditioning
systems and cooling circuits
▪
Pressure-independent control valve for limiting volume flow rate
4.2 Marking
Table 4:
General marking
Description
Marking
Nominal size
DN ...
Nominal pressure
PN ...
Manufacturer
KSB
Year of construction
20..
Material
.......
Flow direction arrow
→
CE marking
Customer's marking
e.g. plant/system No., etc.
In accordance with the applicable Pressure Equipment Directive (PED), Article 4,
Paragraph 3, valves up to and including DN 50 must not bear the CE marking.
From DN 65 the valves are CE marked in accordance with the applicable Pressure
Equipment Directive.
4.3 Operating data
Table 5:
Operating properties
Characteristic
Value
Nominal pressure
16/25
Nominal size
10 - 150
Max. permissible pressure [bar]
25 (DN 10-50)
16 (DN 65-100)
Min. permissible temperature [°C]
≥ -10
Max. permissible temperature [°C]
≤ +120
4.4 Fluids handled
▪
Water
▪
Water/glycol mixtures (glycol content ≤ 50 %)
▪
Other fluids on request.
4.5 Design details
Design
▪
Pressure-independent control valve
DN 10 - 25
▪
Straight-way valve with male threaded ends
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Adjusting ring for presetting the flow rate limit
▪
Prepared for actuator mounting
Summary of Contents for BOA-Control PIC
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