This standard describes protective interior coatings for valves used for water supply, wastewater collection and treatment, and reclaimed water service having a. American Water Works Association’s Standard AWWA C, “Protective Interior Coatings for. Valves and Hydrants”. The fusion bonded epoxy is applied to. AWWA C/A Protective Fusion-Bonded Epoxy Coatings for the Interior and Exterior Surfaces of Ductile-Iron and Gray-Iron Fittings. AWWA.
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We have no amendments or corrections for this standard. Tapping sleeves, used in tapping into existing pipelines including ductile iron, PVC, steel, asbestos cement, etc.
What is the opposite of north? From Positive X550 to Compound meters with different choice of reading method such as direct reading, remote registers, and even radio technologies.
The bolt holes and body-to-bonnet flange surfaces are fully epoxy coated. This added strength makes the Series more durable and rated at psig. These thrust washers provide easy operation.
O-ring Style Gaskets The body-to-bonnet and stuffing box cover seals are pressure-energized O-rings. Pipe tools and threading equipment, valve wrenches keystest plugs pipe-locating devices, hydrant flushing equipments.
Answer the following question: One is located above, and one is located below the thrust collar. Flanged mechanical joint or push-on base. Already Subscribed to this document. Message Add specific model info if applicable. By installing this device, it will protect the water supply from any contaminationwhich can pose a very serious problem.
Series Gate Valve.
Ductile Iron Y Strainer, 300 psi – Model 3800
The ductile iron body, bonnet and wedge provide strength and a pressure rating that v550 or exceeds the requirements of AWWA C Two thrust washers are awwz.
The Series valve is epoxy coated on the interior and the exterior. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. The O-rings are reusable, which reduces downtime during any needed repair.
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SCI: Gate Valves
This standard is also available to be included in C50 Subscriptions. You may delete a document from your Alert Profile at any time. This reduces the need for excessive bolt loading, which is required by designs that use flat gaskets.
The fusion-bonded epoxy coating is applied prior to assembly. The O-rings help to isolate the lubrication chamber. Clean water Act, standard or Customized California Specifications. Subscription pricing is determined by: This standard is not included in any packages.
This standard decribes the special protective interior coatings for aawwa and hydrants used for water supply service.
Thrust Washers Two thrust washers are used. Automatic control valves—widely used in waterworks distribution c50, such as pressure regulator, relief valves, level control, float valves, etc.
Series 55: Large Diameter Gate Valves
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Sealing the lubrication chamber is a series of three O-ring stem seals. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Please first verify your email before subscribing to alerts. Ductile Iron Construction The ductile iron body, bonnet and wedge provide strength and a pressure rating that meets or exceeds the requirements of AWWA C The tensile strength of ductile iron is more than twice that of cast iron.