Combination Air Valve Installation

Iom viadux c70 sp 29 6 16 3.

Combination air valve installation. Combination air valves perform the functions of an air vacuum valve exhaust large quantities of air on start up admits air on shut down and air release valves release air continuously during operation to maintain system efficiency and prevent pipeline surges. Viadux c30 is a high quality combination air valve for a variety of water networks and operating conditions. The avv 1800 1800k are dual body combination valves with an air vacuum valve piped with a shut off valve on the 4 24 25 600mm only to an air release valve. C70 as combination air valve with adjustable surge protection installation operation and maintenance manual iom iom viadux c70 sp 29 6 16 2.

In this application the opening of the check valve is delayed with a timer. The wastewater combination air valve is typically mounted at the high points in a piping system to automatically remove pockets of air as they accumulate. Installation connections inlet piping and isolation valve should be. The valve can also be used to slowly release air in tanks and pump casings.

The valve is a float operated resilient seated valve designed to handle waste fluids. The avv 1800 ships fully assembled from the factory. Or slightly downstream of peaks and high points often as part of a combination air valve an air release valve can be used between a vertical turbine pump and a power actuated pump check valve to prevent surges in the piping between the pump and the check valve. Viadux c30 combination air valve installation operation and maintenance manual iom 2 c30 3 4 c30.

All sizes series 1800 size model width height 125 250 188 5mm orifice 156 4mm orifice 4 100 1804 19 5 495. It evacuates air during pipeline filling allows efficient release of air pockets from pressurized pipes and. The avv 1800 and avv 1800k are functionally the same. 14 350 mm larger 250 lb.

Some piping designers use only combination air valves on a pipeline because all air valve functions are included. Dual body wastewater combination air valve w high capacity air release dual body wastewater combination air valve single body wastewater combination air valve kinetic custom slow closing combination air valve kinetic slow closing combination air valve. The valve may be. Other applications for combination air valves include pump discharge headers and use upstream for flow measurement devices figure 7.

Flush the pipeline prior to the air valve installation in order to prevent damage to the.