AWWA C Air-Release, Air/Vacuum, and Combination Air Valves for Waterworks Service. NSF/ANSI Certified Lead-Free by WQA; Certified to NSF/ANSI 61; Meets AWWA C requirements; UL/FM Approved for fire pump service; Manufactured . AWWA C – Free download as PDF File .pdf) or read online for free.

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Protecting water treatment systems from terrorism and environmental contamination is the most urgent issue facing the water industry today. A large inlet connection is required for proper air and water exchange. We use cookies to help provide and enhance our service and tailor content and ads.

Installed in vent piping. Land Use and Development. Well Service Air Valve: This feature is only available to you as a registered user.

Well Service Air Valves are fully automatic aawwa operated valves designed to exhaust air which aqwa present in the pump column on pump startup and allow air to re-enter the column on pump shutdown or if a negative pressure occur.

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Available with optional water level control switch. In addition, their superior design, workmanship, and stainless steel trim will provide you with a quality valve, one which will give many years of maintenance free and trouble free operation. Register for a trial account. First of all, they allow large quantities of air within the line to be exhausted as that line is being filled. Rubber Seated Butterfly Valves. Search book title Enter keywords for book title search.

For class made of plastic. Recommended articles Citing articles 0. If you like to setup a quick demo, let us know at support madcad. Inflow Prevention is designed to protect dinking water by protecting your pipelines form contaminated water becoming drawn in and mixing with potable water due to pressure changes. This work aims to study in detail the methods of experimental characterization of air valves.

Sewage Combination Air Valve.

AIT AWWA C (AIR VENT) – Saudi Pipe Systems Co. (SPS)

Safe and reliable operation even at high air-release velocities of up to sonic speed. Author links open overlay panel P. Restrictor disc provides regulated exhaust awqa limit secondary surges during column aww. Stainless steel internal trim and float. Bodies are extended in length with a sloped bottom to prevent solid material from reaching the operating mechanism.

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The Dual Port Throttling Device 3 in. They are available in both single body and dual body configuration. Resilient seals provide drop tight seating.

Vacuum Priming Air Valves: Floats are equipped with a specially shaped bottom to accelerate the closure to reduce leakage and clogging of the valve. Air Valve Sizing Software. Manufactured under a certified ISO quality system Available with 2″ inlet Allows the extraction of air from the pump housing and suction piping Float rises and closes the priming valve to prevent fluid from flowing into the vacuum priming system Continues to release air while the pump is running.