KARR – Reduced Bore Combination Air Release Valve
KARR-Reduced Bore Combination Air Release Valve
Spec Sheet: KARR-Reduced Bore Combination Air Release Valve
Functions:
1. Large air release during the filling of the pipeline.
2. Small air release under a pressurised pipeline.
3. Large air intake during draining of the pipeline.
Description
KARR-Reduced Bore Combination Air Release Valve
Features:
• Advanced design with a simple mechanism, strong float to prevent cracking during sudden water hammer & quick closure.
• Aerokinetic mechanism to resist blow shut under higher air velocity even up to a sonic velocity of air.
• No arms or levers to prevent vibrating, bending, or direct closure of the float.
• Smooth cage outside of the float, keeping the float moving in the specified guide rail.
• Bottom rubber buffer for collision prevention, and drains easily with proper holes around the cage during vacuum.
• Outside screens will be an option for safety and to prevent insects or birds.
• Fully fusion epoxy coated inside and outside of valve body for long-term services.
• Manufacturing standard meets BS EN 1074-4.
• Flange drilling and dimension meets BS EN 1092, BS EN 558 and ANSI flange.
General Application:
For water systems, fire fighting, and irrigation systems.
Specifications
| Type | Combination Kinetic Air Release Valve (Reduced Bore, 3-Function) |
|---|---|
| DN Range | DN50 to DN300 |
| Pressure Rating | Threaded 0.1–16 Bar (PN16) / Flanged 0.1–25 Bar (PN25) |
| Body Material | Ductile Iron EN GJS 500-7 |
| End Connections | Threaded / Flanged to BS EN 1092 / BS EN 558 / ANSI |
| Standards Compliance | BS EN 1074-4, BS EN 1092, BS EN 558 |
| Operating Temperature | -10°C to 80°C |