Backflow prevention system

Backflow prevention system

According to DIN EN 1717 and DIN 1988, Part 4, the backflow preventer, certified and approved by the German Association of Gas and Water Trade (DVGW) prevents back pressure or syphonage of liquids in the drinking water system – up to fluid category 4.

Material

 

Housing

Red brass

Seals

NBR

Pressure (bar)

1,5 - 10

Mounting position

horizontal

Max. operating temperature (°C)

40

Flow rate
(m³ at Δ p = 0,5 bar)

3,5

5,5

8

12

18

Item No.

340006

340007

340008

340009

340010

Connection

R ¾"

R 1"

R 1 ¼"

R 1 ½"

R 2"