Securfix NG 4807 safety group for drinking water heating system, DN 20 (3/4")

Consisting of:
• Directly flowed diaphragm pressure expansion tank
• System shut-off
• Maintenance shut-off by ball valve in 3-way design • with tank emptying
• Backflow preventer with test device
• Safety valve
• Drain funnel
• Suspension frame with snap function
• Diaphragm pressure expansion tank according to EU Pressure Equipment Directive 97/23/EC
- Inspection mark ABP: PA-IX 6970/1
- Inspection mark DIN DVGW: NW-6314CM0316

Technical data:
•Max. operating pressure: 10 bar
• Max. operating temperature: 70°C
• Connection: DN 20 (3/4") ET