Awwa M11 Download

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The 5th Edition of AWWA M11 Pipe Design Clarified - #1 Outlets: The Rest of the Story Posted by kbruce on 11/1/2018 10:56:55 AM The 5th edition of AWWA M11 has been available for a little over a year and the benefits to engineers have been recognized for the value it has for steel pipe design. Source: American Water Works Association (AWWA) Denver - The fifth edition of the American Water Works Association’s M11 Steel Pipe: A Guide for Design and Installation is now available. M11 provides technical information to aid in the design and installation of steel pipe and fittings for potable water transmission and distribution.

Harness restraint.
Manufactured in the USA.

USE Provides restraint for mechanical couplings on steel pipelines.
SIZES 6' - 144' for steel pipe. Other sizes available.


RESTRAINT RINGS This weldment is manufactured from ASTM A 36 Steel with a minimum yield stress of 36,000 psi. Two rings are required, on each side of the coupling.
TIE RODS High tensile alloy steel per ASTM A 193 grade B7. Type 304 or 316 stainless steel available on request and requires twice as many rods.
COATING Bare, unless otherwise specified.

M-11 Harnesses

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Awwa M11 Free Download Pdf

Joint Harnesses specified per AWWA M-11 are designed to restrain flexible couplings on steel pipelines. The harnesses will be supplied bare steel to allow for field welding into place. Sizes available 14” – 96”. Larger sizes available on request. Adobe acrobat 8 professional windows 7 64-bit.


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Restraint Rings: Carbon Steel per ASTM A193 grade B7.
Tie Rods: ASTM A193 grade B7.
Stainless steel available on request. (Twice as many rods required)
Coating: Bare, shop blasted.
Pressure: Design pressures from 50 PSI – 250 PSI.
Detailed in the AWWA M-11 manual

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