DB 845 safety shut-off device is installed in the water circuit flow and return of WTG gas preheaters or other similar equipment and has the role of blocking the water circuit if overpressure occurs due to faults in the heat exchanger. It is provided with a water relief valve as a control element.
Reference standard: EN 13445
CE certificate according to PED 97/23/EC
MODEL | DB 845 |
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TECHNICAL CHARACTERISTICS |
Nominal pressure: 40 / 64 / 100 bar Flangeless design Valve plate diameter: equal to pipe diameter Insignifiant pressure drops |
CONNECTION TYPE |
Valve plate diameter: equal to pipe diameter Nominal diameter: DN 25 ÷ DN 150 Installation betwen flanges |
OPTIONAL ACCESSORIES | Position indicator using proximity switch |
OPERATING CONDITIONS |
Ambient temperature: -30°C ÷ +80°C Working fluid temperature:- water+ 5°C ÷ +100°C - anti freezing -30°C ÷ +100°C |
WORKING MEDIUM | Water (heat transfer fluid) |