for hydraulic balancing of hot water return systems (PWH-C)
wetted metal parts made from dezincification-free and corrosion-resistant gunmetal, resistant against aggressive water
PTFE seat gasket
maintenance-free spindle gasket with self-lubricating EPDM lip gasket
male union thread
with plugged drain port
incl. thermometer
with pocket for temperature sensor Pt1000
free from dead spots
keeps throttle pre-setting when vale is closed and opened
with indicator for pre-setting
Standards and Approvals
DVGW approval
ÖVGW approval
SVGW approval
WRAS approval
KIWA approval
plastic parts with KTW and W 270 approval
for systems according to DVGW worksheet W 551 / W 553 / DIN 1988-300
according to accepted materials list from German environmental agency
DIN EN 1213
ÜA-Reg.-Nr. R-15.2.3-21-17048, WIEN-ZERT