Title: 320- Tilbakeslagsventil.pdf
all types of annet som kan påvirke ventilens funksjonalitet. counter-pressures. partikler i vannet kan føre til lekkasje i ventilens C. A shut off valve and/with draining device must be installed in front of the CA 9C. dreneringssystem. Ventilen skal monteres Execution : 1. Close the shut off valve D. The relief opening must be connected to a discharge pipe of Ø 40 mm via the enclosed funnel. horisontalt, og ha en slik plassering i systemet 2. Open the draining device. E. In case of installation without a discharge pipe, the CA 9C should be installed at a height of at least 30 cm above at den lett kan inspiseres og vedlikeholdes. If the water continues to drip, this indicates leakage/contamina- Ventilen bør påmonteres kuleventil med tion of the second non-return valve. In this test, it has been F. It is possible that after installation and commissioning of the installation, the drain opening may leak some water, assumed that downstream pressure is present. uttapping, slik at den lett kan demonteres og until