







Description
Caleffi automatic air vent, to eliminate any air that may have remained inside the system, so as not to have to intervene manually on each heating element.
This type of joker is equipped with a hygroscopic safety cap.
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