air-admittance valve DallVent Mini, DN 40/DN 50, 1 1/2"

conforming to EN 12380
for internal venting of soil and waste systems

specification:
- removable insect screen
- integral thermal insulation (frost proof to -20°)
- seal and ring nut 1 1/2" for connection to DN 40, DN 50 and 1 1/2" vent pipes

material:
ABS/PP
air flow capacity 8,0 l/s
classification AI (table 1, EN 12380)