Mechanical Joint Fittings Deflection

C153 mechanical joint ductile iron fittings ® member ® certified to ansi/nsf 61 ® material: Metallic zinc coating for ductile iron pipe.

Analysis of Frames Using Methods of Joints Problem 01

Since it is not often that one sees an awwa standard being read in the trench it seems appropriate to review this portion of the standard as a training tool.

Mechanical joint fittings deflection. Where bolt holes are required to straddle the centerline of the fitting, this must be specified by the purchaser. Mechanical joint watermain fittings with accessories, 2 through 48 shall be produced of ductile iron in accordance with and meet all applicable terms and provisions of standards ansi/awwa c110/a21.10 and ansi/awwa c111/a21.11. The mechanical joint is used mainly with fittings rather than pipe.

The mechanical joint is flexible, with the amount of deflection dependent on pipe diameter (table 2 and figure 2). Mechanical joint fittings are available as full body c110 or compact body c153. Glass lining (porcelain enamel) fusion bonded epoxy (206n) fusion bond epoxy 134.

If the thrust restraint design calculations for the bend for additional joint deflections are submitted For allowable joint deflection of mechanical joints, see mechanical joint pipe deflection and offset. The maximum deflection angle in table 4 is used for design purposes and is based on eighty (80%)

Mechanical joint watermain fittings with accessories, 2 through 64 shall be manufactured from ductile iron in accordance with and meet all applicable terms and provisions of standards ansi/awwa c153/a21.53 and ansi/awwa c111/a21.11. Polyethylene encasement for ductile iron pipe. International (spanish / metric) tyton joint.

This accommodates some misalignment of the two elements connected by the mechanical joint due to earth settling, or other installation issues while. They may be manufactured from carbon steel, stainless steel, ductile iron, or malleable iron, and are intended for use in systems conveying. Mechanical joints allow for some deflection of the joint.

Joint deflection to the maximum shown above may be made after assembly but before tightening bolts. Mj stands for mechanical joint. Mechanical joint pipe is now used to a much lesser extent.

The american mechanical joint meets the requirements of ansi/awwa c110/a21.10 and ansi/awwa c111/a21.11. This joint is designed to provide up to 15° joint deflection for subaqueous or other difficult installations. Ductile iron mechanical joint fittings 3 through 24 shall be rated for 350 psi working pressure.

Protecto 401 lined pipe and fittings. To compare the two methods of restraint at the fittings, let’s look at the tr flex® system first. Deflections), for mechanical joint, the allowable joint deflection is 2 24' on each bell joint of the fitting.

The mechanical joint system is designed for deflection as well as expansion and contraction within the piping system. Ductile iron mechanical joint fittings 2 through 24 shall be rated for 350 psi working pressure. Or mechanical joint fittings, currently make up the vast majority of ductile iron pipelines being installed for underground service.

It is a type of compression joint designed for underground connection for pipe, valves and fittings. C110 ductile iron mechanical joint fittings 4 october 2020 sigma corporation www.sigmaco.com size mjxmj ductile iron mjxpe ductile iron r t mjxmj mjxpe item no. Orientation of bolt holes in mechanical joint fittings with respect to any centerline 1 is not fixed.

3 xmb390 5.50 xme390 13.50 4.00 0.48 35 35 4 xmb490 6.50 xme490 14.50 4.50 0.52 55 50 6 xmb690 8.00 xme690 16.00 6.00 0.55 85 80 8 xmb890 9.00 xme890 17.00 7.00 0.60 125 120 10 xmb1090 11.00 xme1090 19.00 9.00 0.68.

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