AWWA C Dimensions for Fabricated Steel Water Pipe Fittings. standard by American Water Works Association, 12/01/ View all product details. ANSI/AWWA C (Revision of ANSI/AWWA C) This document is an American Water Works Association (AWWA) standard. It is not a specification. AWWA C – Fabricated steel pipe – Download as PDF File .pdf), Text File .txt) or read online.
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Actual outside diameters may be larger than the nominal pipe diameter. Use of This Standard. In practice, fittings are seldom provided as individual pieces as shown but are shop fabricated into full or special lengths of pipe or fabricated into assemblies, combining a number of fittings.
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The fitting dimensions shown in Figures 1, 2, 3, 4, and 6 and in Table 1 are the minimum dimensions for fittings with plain ends.
AWWA C – Fabricated steel pipe – PDF Free Download Minimum dimensions for awwx of unequal diameters and suitable for angle 8 of 30″ to 70″ are stated in Table 1. Minimum dimensions for laterals of equal diameters and awqa for angle 6 of 30″ to 70″ are stated in Table 1.
Awwa C208 Fittings Catalog
Brunzell, Brunzell Associates Ltd.
For elbows in plant piping, where space is limited, a radius of less than 2. Refer to Figure 1A. Revision of Table 1, deleting 4-in.
90 Degree Mitred Bend, ASTM A234 WPB, DN750, AWWA C208
Minimum dimension L, can be calculated using the following formulas: Stoner, Consultant, North Plainfield, N. Dimensions G, Go, and HL can be calculated for other outside diameters and a specific angle between run and outlet using the following formulas: The purpose of this standard is to provide the minimum requirements for the dimensions of fabricated steel water pipe fittings.
Reinforcement of fittings, which may include increased wall thickness, collars, wrapper plates, or crotch plates, is not covered in this standard.
This method of fabrication continued with improvements into the s. The Standards Committee on Steel Pipe, which developed this standard, had the following personnel at the time of approval: Add additional length to these dimensions when necessary for flanged, mechanical couplings, or bell and spigot joints, or as needed to meet other design conditions.
This standard has no applicable information for this section. Revisions in the text were approved on Dec. American National Standard An American National Standard implies a consensus of those substantially concerned with its scope and provisions.
The stipulations of this standard apply when this document has been referenced and then only t o dimensions for fabricated steel water pipe fittings. Type of fitting required i.
The information in Table 1 was changed from a tabular format to a formula format in order to ascertain dimensions for tees, crosses, wyes, laterals, and reducers. Addition of a foreword to provide the history of a standard d208 major revisions. Recommended dimensions are shown in Figure 3. Lateral Less Than 30″ This represents good practice that will assist in maintaining the roundness of pipe ends.
For angle 0 less than 30″, use 30″ lateral wye plus an elbow.
AWWA has no responsibility for the suitability or compatibility of the provisions of this standard to any. Tupac, Chair John H. The major revision was to clarify that the standard c20 a dimensional guide only and that design of fittings should be in accordance with applicable sections of AWWA Manual M Refer to Figure 1C.
Number of pieces or segments for elbows. Refer to Figures 1A and 1B. It was approved as a “tentative” standard on July 14, Steel pipe has been used for waterlines in the United States since the s. The following items should be covered in the purchaser’s specifications: The awwwa of a n D208 National Standard does not in any respect preclude anyone, whether that person has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard; American National Standards are subject to periodic review, and users are cautioned to obtain the latest editions.
Miter welds greater than Submittal of shop detail and assembly drawings.
Qf is a factor to be used in formulas to calculate design dimensions. Addendum 2, was approved on June 4, Deflection angles up to 5″ can be taken in welded lap joints using miter-cut bell ends, provided that bell and spigot tolerances are maintained.
AWWA C 结构钢制水工业管件_图文_百度文库
Minimum dimensions for reducing tees and reducing crosses are stated in Table 1. Dimensions A and B can be calculated using the following formulas: Over the years, rigid specifications have been developed and new product developments and improvements in manufacturing techniques and processes have been established to ensure the purchaser a product of high standards. This standard is intended to serve as a dimensional guide only.
The use of A W A standards is qwwa voluntary. The action becomes effective on the first day of awwx month following the month of Journal AWWA publication of the official notice. A combination of standard miter cuts and pulled joints may also be used. The aforementioned guidelines for dimensioning fabricated steel pipe elbows represent good practice for water transmission mains.
Awwa C208 Fittings
This edition approved June 17, Wise, Canus Industries Inc. Until each optional feature is specified by the user, the product o r service is not fully defined.
AWWA C208-12 DIMENSIONS FOR FABRICATED STEEL WATER PIPE FITTINGS (43208-12)
The optimum radius for awwx fabricated elbow based on these considerations is 2. This radius is recommended as a standard for water transmission lines where space requirements permit. All dimensions for fittings in Table 1 of this standard are based on the nominal diameter being the actual outside diameter OD of the pipe.
Awwa C208 Free Download 64-bit
The addendum added a note of caution to Tables 2A through 2D concerning hoop tension concentration in elbows was with a radius of less than 2.