5 Valve Description
17 of 36
BOA-Control/ BOA‑Control IMS
Variants
▪
Control valve with electric actuator (DN 15 to 200)
▪
BOA-Control EKB/BOA-Control IMS EKB for drinking water:
– Corrosion protection: internal and external electrostatic plastic coating (EKB),
anthracite grey
– Nominal sizes DN 15-100 are DIN-DVGW-approved for water in acc. with
DIN 3546-1: NW-6150BQ0465. The elastomers and plastic parts in contact
with the fluid handled and the (EKB) body coating comply with the KTW
recommendations for the use of elastomers in drinking water issued by the
German Federal Office of Health.
5.3.1.4 Pressure/temperature ratings
Table 6:
Test pressure and operating pressure
PN
DN
Materials
Shell test
Leak test (seat)
Permissible operating
pressure
7)
With water
Tests P10 and P11 to
DIN EN 12266-1
Test procedure 1 to DIN
EN 60534-4
-10 to +120 °C
8)
[bar]
[bar]
[bar]
16
9)
15-300
EN-GJL-250
24
17,6
16
350
EN-GJS-400-18-LT
16
Valves from DN 250 can only be used for shut-off duties up to the differential
pressures indicated below, even when handwheel levers are used!
Table 7:
Permissible differential pressures [bar]
PN
DN
∆ p [bar]
16
250
9
300/350
6
5.3.1.5 Materials
5.3.1.5.1 BOA-Control/BOA-Control IMS, type BOA-CL, DN 15-200
1)
2)
DN 15-150
7)
Static load
8)
BOA-Control EKB / BOA-Control IMS EKB -10 to +40 °C
9)
PN 10 available for BOA-Control EKB / BOA-Control IMS EKB