ARI Control Valve ASTRA 12020 DN50, PN16 EN-JL1040, Regulating Plug with Soft Sealing

Maintenance-free soft-sealing balancing
and shut-off valve, straight pattern,
flanged, face-to-face dimension
according to EN 558 FTF-1,
housing made of cast iron EN-JL1040
(short designation: EN-GJL-250, formerly GG-25)
with primer coating,
for applications in building services
from -10 degrees C to +120 degrees C.
Maintenance-free
differential pressure measuring system
with integrated pressure measuring
ports for connecting pressure measuring
computers, resistant to contamination
over the entire service life.
Control cone with PTFE soft sealing.
Adjustment with defined characteristic
curve over the entire stroke range,
non-rising handwheel with opening
indicator and integrated stroke limitation,
embossed and polished spindle made of 1.4021+QT,
external spindle thread,
anti-rotation device,
spindle sealing by
EDD Elastic Double Sealing System,
digital stroke indicator,
insulation cap with dew point barrier, fully
insulatable according to the Energy Saving
Ordinance - GEG, PCB-free,
CE certification according to Pressure
Equipment Directive PED 97/23/EC.
Nominal pressure: PN 16
Nominal size: DN50
Weight: 11.5 kg
Price group: G14
Article number: 12020005010