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The NABIC Fig 256A pipe interrupter is classified as a type DC device suitable for protecting up to fluid category 5.
Incorporating ventilation ports that are totally unrestricted and permanent, water is guided past these air vents using a venturi type nozzle. Since they are open to atmosphere this stops siphonage and allows the escape of water in the event of backflow.
Size Range: DN10 - DN20
Pressure: 0 - 10 bar
Material: Chrome Plated Brass
Temperature: -20 to 60°C
Connection: Male inlet and outlet
Male BSP inlet and outlet connections: G3/8", G1/2" and G3/4" to ISO228A.
All valves are 100% production tested.
|ITEM NO.||PART NAME||MATERIALS|
|3||'O' Ring Seals||EPDM|
Dimensions & Weights
The reason I went to NABIC was because we have to meet certain water regulations. After a chat with Northumbrian Water, they suggested looking into NABIC products as they are WRAS approved and suitable to use on all potable water applications.
I went direct and bought 4 pipe interrupters with next day delivery, which have been installed in our on-site laboratory. My user experience was great and I liked the fact that site has all the necessary specifications and prices easily to hand.
Peter Bauckham - Managing Director, Argos Inspection