Combination air valve for wastewater with anti water hammer system and threaded outlet fig. SCF RFP C

The SCF-RFP-C model is a high performance automatic combination air valve, with a single chamber and an integrated rapid filling prevention system, fitted with a threaded outlet for air ducting. It allows air pockets to be expelled under pressure during operation and large volumes of air to be admitted in the event of draining or a pipe burst, preventing negative pressures. When the air speed and the differential pressure rise too far, the RFP anti water hammer disc closes, reducing the outlet flow and preventing the abrupt closing of the moving block. Made entirely of ductile iron, the air valve is designed so that the venting system and the sealing seat are protected from contact with wastewater debris and dirt, ensuring reliability and performance over time.

Features

• GJS 450-10 ductile iron body and cover.

• Rapid filling prevention mechanism.

• Stainless steel venting sub-assembly.

• Stainless steel seat.

• AISI 316 stainless steel float.

• RAL 5005 blue epoxy coating applied by fluidised bed technology.

• Threaded outlet for air ducting.

Working conditions

• Fluid: wastewater.

• Pressure: 10-16 bar.

• Minimum pressure 0.2 bar.

• Maximum temperature: 60°C, higher values on request.

Connections

• Flanges from DN 50 to DN 200 mm.

• Flanges to EN 1092/2, others on request.

Standard

• Designed and tested to EN 1074.