Diaphragm valve 078 0G series

with handwheelhydraulicdrain

for hydraulic balancing of hot water return systems (PWH-C) wetted parts made of stainless steel maintenance-free spindle gasket with self-lubricating EPDM lip gasket EPDM-seat gasket male union thread free from dead spots with a black handwheel keeps throttle pre-setting when vale is closed and opened indication of pre-setting on bracket without drain port (drain valve cannot be added) Open position indicator wear-resistant stainless steel valve seat Standards and Approvals DVGW approval SVGW approval plastic parts with KTW and W 270 approval according to accepted materials list from German environmental agency up to DN 32 soundproofing certification according to DIN EN ISO 3822 Class 2 DIN EN 1213 ÜA-Reg.-Nr. R-15.2.3-21-17049, WIEN-ZERT