Automatic quick action vent MAXCAL series 501

• DN20 (¾") IG
• With large venting capacity
• For medium-sized and large heating systems
• Made of materials resistant to corrosion
• With integrated dirt collector for excellent operation reliability
• Air connection DN10 (3/8") IT connection

Description:
1) Top connection for drain
2) Protection from external influences
3) O-ring with large cross section
4) Stainless-steel screws
5) Forging-brass cover
6) O-ring with large cross section
7) Viton valve seat
8) Stainless-steel dirt trap
9) Valve shaft rolled and chrome-plated
10) Forging-brass body
11) Stainless-steel float

Technical data:
• Venting capacity: 120 l/min. (at 2.5 bar)
• Operating temperature: -20°C...120°C
• Blow-off pressure: max. 6 bar
• Operating pressure: max. 16 bar
• Housing: brass
• Internal parts: Stainless steel
• Seals: Viton / EPDM
• Dimensions (Hxø): 158 x 135 mm