The Contra-Flex diaphragm pressure expansion vessel for sealed heating, solar and chilled water (cooling) installations is suitable for the addition of glycol-based anti-freeze up to 50%.
- connection: 1"
- diameter: 790 mm
- height: 2,268 mm
- maximum operating temperature: +120°C / 393 K
- maximum operating overpressure: 6 bar
- initial pressure: 2.5 bar
- diaphragm according to DIN 4807/3
- approved in accordance with EC Pressure Equipment Directive 97/23/EC
*Comes with FREE Precharge tester 512240121