







Description
Caleffi automatic air vent valve, to eliminate any air that may have remained inside the system, so as not to have to intervene manually on each heating element.
G 3/8" A (ISO 228-1) M connection
Note: It is mandatory to replace the valve cap with the Caleffi 5620 or R59681 hygroscopic safety cap in all installation locations that cannot be inspected
Datasheet
Materials:
• Body and cover: brass EN 12165 CW617N
• Float: PP
• Shutter: silicone rubber
• Spring: stainless steel EN 10270-3/1.4310 NS (AISI 302)
• Seals: EPDM
• Seal on the shut-off valve: PTFE
Performance:
• Fluids used: water and glycol solutions
• Maximum percentage of glycol: 30%
• Maximum operating pressure: 10 bar
• Maximum discharge pressure: 2,5 bar
• Maximum operating temperature: 120 °C