The BA backflow preventer ensures reliable protection of the potable water in the boot cleaning system, effectively preventing contamination up to liquid category 4 in accordance with applicable standards.
Ultimate water protection for your boot cleaning system
The BA-type backflow preventer is a safe and low-maintenance solution for preventing potable water contamination up to liquid category 4 in boot cleaning systems. It features corrosion-resistant gunmetal, a stainless steel strainer, and a differential pressure-controlled safety cartridge.
➞ Protects the potable water system in boot cleaning installations against contamination up to liquid category 4 in accordance with DIN EN 1717 and DIN 1988-100.
Technical Data
Pressure rating PN 10
Max. operating temperature 60 °C
Short-term peak temperature 65 °C
The backflow preventer is equipped with non-return valves on both the inlet and outlet sides and, thanks to its dead-space-free design, ensures a hygienic water flow without residues.
Standards and Approvals
DVGW approval
ÖVGW approval
SVGW approval up to DN 40
WRAS approval
KIWA approval
BELGAQUA approval
VA approval
Plastic parts with KTW and W 270 approval according to UBA evaluation guidelines
Up to DN 20 noise protection approval according to DIN EN ISO 3822 class 1 (DN 25 and DN 32 class 2)
DIN EN 12729 (DN 50 with flow rates according to DVGW W 570) / DIN EN 1717
ÜA-Reg.-Nr. R-15.2.3-21-17048, VIENNA CERT
Accessories for the backflow preventer
Soldered union made of gunmetal, figure 476 04
Internal thread union made of gunmetal, flat-sealing, figure 476 06
Internal thread union made of gunmetal with drain, figure 476 07
External thread union made of gunmetal, figure 476 08
Universal union for soldering and pressing, figure 476 14
Press fitting system Geberit MAPRESS stainless steel and copper, figure 476 22
Press fitting system Viega SANPRESS and PROFIPRESS, figure 476 30
Press fitting system SANHA and NIROSAN, figure 476 35
Press fitting system Geberit MEPLA, figure 476 40
Press fitting system Geberit MAPRESS stainless steel, figure 476 20
Press fitting system Viega SANPRESS INOX, figure 476 70
