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Corporation Stops Technical Bulletin - Hydro Instruments Hydro Instruments’ entire corporation stop line uses schedule 80 piping for the solution tube For corporation stop sizes larger than 1", the solution tube piping size will typically be a 1⁄2" less than the corporation stop (ball valve) size itself Refer to Table 4 for exact solution tube sizes
Friction Losses in Service Lines and Fittings [with Discussion] - JSTOR Head Loss Studies The first device through which the water must pass on leaving the street main is the corporation stop (At the Philadelphia works this device is called a ferrule ) Curve A of Fig 1 shows the head loss at flow rates of 5-20 gpm It will be noted that at the 15-gpm rate the head loss is nearly 2 psi The next device through
A Deep Dive Into Corporation Stops - A. Y. McDonald The sole purpose of a corporation stop is to allow for the installation of a new water service line without interrupting the water main pressure As a special stop valve that is installed into the water main, the corporation stop is usually used only once
Lesson 22: Distribution System - Mountain Empire Community College Gate valves are the type of isolating valve most frequently used in mains due to their low friction loss Butterfly valves cause more friction than gate valves, but can be used to throttle (slow the flow of) water without damaging the valve
WATER DISTRIBUTION SYSTEM DESIGN AND SPECIFICATIONS - Rockford, IL All brass fittings and valves for service lines shall be manufactured in accordance with AWWA Standard C-800, latest revision Any brass part of the fitting or valve in contact with potable water shall be made of a “No-Lead Brass”, defined for this specification as UNS Copper Alloy
Understand How Valves Fittings Affect Head Loss That change is lost to friction The L D coefficient is often used to determine the head loss in a valve or fitting The head loss formula using velocity heads in Equation 2 is similar to the head loss formula for pipelines shown in the April 2015 column (Equation 4)
The Engineering Handbook - Pipe Friction Loss Calculation Calculation of friction loss in straight pipes and calculating the friction loss in pipe fittings e g bends, fittings, valves etc and equipment The article will describe how to calculate friction loss in straight pipes and fittings including examples at the end
Corporation Valves | Mueller Co. Water Products Division Mueller Co offers corporation stops in three types: machined key (e g ground key), ORISEAL®, and ball All three designs are available with a wide range of inlet outlet combinations including the Mueller 110® compression, grip compression, and pack joint connections