GOLIA 3F-RFP

The CSA Mod. GOLIA 3F-RFP, is a full bore high quality single chamber double function combination air valve with a built in anti-water hammer non slam surge prevention system. The air valve allows release of air pockets from pressurized pipelines, and admits large volume of air in the event of pipe draining/burst, to prevent vacuum and negative pressure conditions. During outflow the air valves senses the increase in air velocity and differential pressure using, if required by excessive values, the RFP (anti-surge) flat to control the air outflow rate thus avoiding fast approaches of water column with potential sudden closures of the mobile block and the risk of water hammer. Entirely made in special alloys like stainless steel, Duplex or Super Duplex, GOLIA 3F-RFP is a well proven and reliable solution for aggressive environments like seawater, process plants, refineries and many more.

Product features
• Body and cover in stainless steel AISI 316, Duplex 2205 or Super Duplex 2507, different grades on request.
• Anti-slum system in stainless steel with wetted parts in Duplex or Super Duplex.
• Air release system in stainless steel AISI 316 or Duplex 2205.
• Floats in solid PP.
• Built-in surge prevention system.
• Seat in in stainless steel AISI 316, Duplex 2205 or Super Duplex 2507, different grades on request.

Working conditions
• Pressure range: 10-16-25-40 bar.
• Minimum working pressure : 0.2 bar.
• Treated water maximum 60°C, higher temperature on request.

Connections
• Flanges size from DN 50 to DN 400 mm.
• Flanges standard EN 1092/2, ANSI 150, AS; different on request.
• Threaded 1" - 2" BSP F; NPT on request.

Standard
• Design and testing according to EN 1074.