January 7, 2019


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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The Vacuum Breaker is the globe style high flow type with a rapid linear opening to automatically admit large quantities of air into a system on negative pressure.

Procedia Engineering Volume 89, Pages Installed in vent piping. Cover – Port sized to allow for full venting capacity of air valve or vent.

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Under a Creative Commons license. This work aims to study in detail the methods of experimental characterization awaa air valves. Characteristics Material Anticorrosive Related products With flange ends on both sides acc.

First of all, they allow large quantities of air within the line to be exhausted as that line is being filled. Unconditionally guaranteed T stainless steel floats.

Floats are equipped with a specially shaped bottom to accelerate the closure to reduce leakage and clogging of the valve. AWWA Offers education to water professionals Advocates for safe and sustainable water Collects and share knowledge Creates volunteering opportunities.

Available with optional screened hood. An optional Air Release Valve aswa be directly piped aewa relieve air under positive pressures. Resilient seated Triple function air valve.

Flood Save Inflow Preventer: The results have been also compared with a simplified proposed model representation of the air valve.


VAG DUOJET® Automatic Air Valve AWWA C

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By continuing you agree to the use of cookies. By using our services, you agree to our use of cookies. Download full text in PDF Download. Protects air valve freezing. Restrictor disc provides regulated exhaust to limit secondary surges during column separation. Vacuum Priming Air Valves: Val-Matic Energy Cost Calculator: 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.

This book also exists in the following packages They are available in both single body and dual body configuration.

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

Select different number of concurrencies based on your needs. Protecting water treatment systems from terrorism and environmental contamination is the most urgent issue facing the water industry today. Body – High Density Polyethylene. Resilient seating for positive shutoff. Bodies are extended in length with a sloped bottom to prevent solid material from reaching the operating mechanism. Allows air to enter the system on pump shut down through an unrestricted independent vacuum port.

The second part deals with the study of a collection of commercial air valves from different manufacturers. Surge Suppression Air Valves shall be automatic float operated valves designed to control the exhaust of air during the filling of a xwwa system and close upon liquid entry.

The Val-Matic Energy Cost Calculator enables you to enter information specific to your application and calculate the headloss and projected year energy costs associated with various valve types. Rubber Seated Butterfly Valves.


Abstract This work aims to study c52 detail the methods of experimental characterization of air valves. With more than 50, members worldwide and 43 Sections in North America, AWWA advances public health, safety and welfare by uniting the efforts of the entire water community.

Specifically designed for grit and sewage service without the need for backwashing when combined with fusion bonded epoxy slick coatings. The capacity and pressure rating of the valve is dependent on the diameter of the precision orifice in the cover.

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.

Large orifice to vent high quantities of air during draining the pipeline Large orifice to release high quantities of air during filling the pipeline Small orifice to release low quantities of air during operation under pressure Very high discharge capacity up to sonic velocity due to stabilised floater Single chamber air valve in compact design acc. Admits large quantities of air to prevent loss of pressure during power failures, line breaks and drainage.

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