ASME B16.9 Steel Buttwelding Fittings elbowskWQAya

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<p> <span style="font-size:18px;"> </span> </p> <h1 style="text-align:center;color:#333333;font-size:20px;"> </h1> <h1 style="text-align:left;color:#333333;font-size:20px;"> </h1> <h1 style="text-align:center;color:#333333;font-size:20px;"> </h1> <h1 style="color:#333333;font-size:20px;"> <span style="color:#000000;"> <p> <br /> </p> <h1 style="text-align:center;font-size:20px;"> <span style="color:#000000;font-size:18px;">Pipe elbows</span> </h1> <p> <span style="color:#000000;font-size:18px;">Pipe elbow are used to be installed between two lengths of pipe or tube allowing a change of direction,usually these elbows distinguished by connection ends.</span> </p> <p> <span style="color:#000000;font-size:18px;">Key Specifications/Special Features and Materials</span> </p> <p> <span style="color:#000000;font-size:18px;">the material is selected accoding to the application use such as high temperature use,sanitary fitting,regular industrial use etc.</span> </p> <p> <span style="color:#000000;font-size:18px;">Carbon steel:</span><span style="color:#000000;font-size:18px;">&nbsp;</span><span style="color:#000000;"><span style="color:#000000;font-size:18px;">ASTM </span><span style="font-size:18px;color:#000000;">A234wpb</span></span><span style="color:#000000;font-size:18px;">, WPC, ASTM A420 WPL6 Pipe Fitting , WPL1, WPL3, WPHY-42/46/52/56/60/65/70</span> </p> <p> <span style="color:#000000;font-size:18px;">Stainless steel</span><span style="color:#000000;font-size:18px;">:</span><span style="color:#000000;font-size:18px;">&nbsp;ASTM A403 304/304l Elbow, WP316/316/L, WP321, WP347 and WPS31254</span> </p> <p> <span style="font-size:18px;color:#000000;">Alloy steel:</span><span style="font-size:18px;color:#000000;">&nbsp;ASTM A234 WP1/WP12/WP11/WP22/WP5/WP7/WP9/WP91</span> </p> <p> <span style="font-size:18px;color:#000000;">Manufacturing standards:</span><span style="font-size:18px;color:#000000;">&nbsp;ANSI, ISO, JIS and DIN.</span> </p> <p> <span style="color:#000000;font-size:18px;">The ends of pipe elbows may be machined for butt welding , threaded , or socketed , so the elbows are consist of butt weld,thread elbow, socket elbow and other series.</span> </p> <p> <span style="font-size:18px;color:#000000;">Application of Pipe Fitting elbows:</span> </p> <p> <span style="font-size:18px;color:#000000;">Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.</span> </p> <p> <span style="font-size:18px;color:#000000;">A wing of a building at right angles to the main structure.</span> </p> <p> <span style="font-size:18px;color:#000000;">A right-angled bend in a pipe or conduit; an elbow.</span> </p> <p> <span style="font-size:18px;color:#000000;">Elbows are design features as below</span> </p> <p> <span style="font-size:18px;color:#000000;">An elbow is a pipe fitting installed between two lengths of pipe or tubing to allow a change of direction, usually a 90° or 45° angle, though 22.5° elbows are also made.</span> </p> <p> <br /> </p> <div class="right-img" style=""> <img src="http://www.sunnysteel.com/images/return-elbow.gif" /><br /> <span style="color:#000000;font-size:18px;">&nbsp;</span><span style="color:#000000;font-size:18px;">Pipe elbows size</span> </div> <ul> <li style="margin-left:0px;"> <span style="color:#000000;font-size:18px;">Pressure:&nbsp;</span><span style="color:#000000;font-size:18px;">SCH5 to SCH160</span> </li> <li style="margin-left:0px;"> <span style="color:#000000;font-size:18px;">Size range:</span><span style="color:#000000;font-size:18px;">&nbsp;1/2 to 56 inches (DN 15 to DN 1,400mm), 22.5 Deg, 45 Deg, 90 Deg, 180 Deg</span> </li> <li style="margin-left:0px;"> <span style="color:#000000;font-size:18px;">External arc length of elbow</span> </li> <li style="margin-left:0px;"> <span style="color:#000000;font-size:18px;">Process:&nbsp;</span><span style="color:#000000;font-size:18px;">butt welding, seamless, threaded , or socketed</span> </li> </ul> <p> <span style="color:#000000;font-size:18px;">By default, there are 5 opportunities, the 45°, 90° and 180° elbows, all three in the "long radius" version, and in addition the 90° and 180° elbows both in the "short radius" version.</span> </p> <p> <h5 style="font-size:18px;"> <span style="color:#000000;"> <h5 style="font-size:18px;"> <span style="color:#000000;font-size:18px;">Long radius &nbsp;lr elbow</span> </h5> <p> <img src="http://www.sunnysteel.com/images/advertise_long-radius-elbows.jpg" alt="Long radius elbows" width="431" /> </p> <p> <span style="color:#000000;"><span style="font-size:18px;color:#000000;">Long Radius LR Elbow – radius is 1.5 times the pipe diameter</span><br /> </span> </p> <p> <span style="color:#000000;"><span style="font-size:18px;color:#000000;">L/R 45°Elbow</span><br /> <span style="font-size:18px;color:#000000;"> L/R 90°Elbow</span><br /> <span style="font-size:18px;color:#000000;"> L/R 180°Elbow</span></span> </p> <p> <span style="color:#000000;"><br /> </span> </p> <p> <span style="font-size:18px;color:#000000;">Short radius SR elbow</span> </p> <p> <img src="http://www.sunnysteel.com/images/advertise_short-radius-elbows.jpg" alt="Short radius elbows" width="431" /> </p> <p> <span style="color:#000000;font-size:18px;">Short Radius (SR) Elbows – radius is 1.0 times the pipe diameter</span> </p> <p> <span style="font-size:16px;color:#000000;"></span><span style="font-size:18px;color:#000000;">S/R 45°Elbow</span> </p> <p> <span style="color:#000000;font-size:18px;">S/R 90°Elbow</span> </p> <p> <span style="font-size:18px;color:#000000;">S/R 180°Elbow</span> </p> </span> </h5> <p> <br /> </p> </p> <div class="plist" style=""> <div style=""> <div style=""> <div style=""> <div style=""> <img src="http://www.sunnysteel.com/images/a234-WP11_elbow.jpg" alt="A234 WP11 elbow" width="208" /><br /> <span style="color:#000000;font-size:18px;">&nbsp;</span><span style="color:#000000;font-size:18px;">A234wp11 Elbow</span> </div> </div> <div style=""> <div style="margin-left:10px;"> <img src="http://www.sunnysteel.com/images/ASME-SA335P91_elbow.jpg" alt="ASME SA335 P91 elbow" width="208" /><br /> <span style="color:#000000;font-size:18px;">ASME SA335 P91 elbow</span> </div> </div> <div class="clear" style=""> </div> </div> </div> <div style=""> <div style="margin-left:10px;"> <div style=""> <div style=""> <img src="http://www.sunnysteel.com/images/astm-a335-p22-elbow_mark.jpg" width="208" alt="ASME SA335 P22 elbow" /><br /> <span style="color:#000000;font-size:18px;">ASME SA335 P22 elbow</span> </div> </div> <div style=""> <div style="margin-left:10px;"> <img src="http://www.sunnysteel.com/images/carbon-steel-elbow.jpg" alt="Carbon steel elbow" width="208" /><br /> <span style="color:#000000;font-size:18px;">Carbon steel elbow</span> </div> </div> </div> </div> </div> <p> <br /> </p> <p> <span style="color:#000000;font-size:18px;">Elbows are split into two groups which define the distance over which they change direction; the center line of one end to the opposite face. This is known as the "center to face" distance and is equivalent to the radius through which the elbow is bent.</span> </p> <p> <span style="color:#000000;"><span style="font-size:18px;color:#000000;">Here below, for example, you will find the center to face distance of NPS 2 elbows (th</span><span style="font-size:18px;color:#000000;">e&nbsp;A&nbsp;distance on the image)</span></span> </p> <p> <span style="font-size:18px;color:#000000;">&nbsp;</span><span style="font-size:18px;color:#000000;">90°-LR : = 1½ x 2(NPS) x 25.4&nbsp;</span><span style="font-size:18px;color:#000000;">A</span><span style="font-size:18px;color:#000000;">=76.2 mm</span> </p> <p> <span style="font-size:18px;color:#000000;">180°-LR : = 2 times the 90° LR elbow&nbsp;</span><span style="font-size:18px;color:#000000;">A</span><span style="font-size:18px;color:#000000;">=152.4&nbsp;mm</span> </p> <p> <span style="font-size:18px;color:#000000;">90°-SR : = 2(NPS) x 25.4&nbsp;</span><span style="font-size:18px;color:#000000;">A</span><span style="font-size:18px;color:#000000;">=50.8&nbsp;mm</span> </p> <p> <span style="font-size:18px;color:#000000;">180°-SR : = 2 times the 90° SR elbow&nbsp;</span><span style="font-size:18px;color:#000000;">A</span><span style="font-size:18px;color:#000000;">=101.6&nbsp;mm</span><span style="font-size:18px;color:#000000;">&nbsp;</span> </p> <p> <br /> </p> <p> <br /> </p> <div style=""> <p> <br /> </p> <p align="center"> <img src="http://www.sunnysteel.com/images/bw_elbows1.jpg" width="350" height="269" /> </p> <div style="text-align:left;"> <span style="font-size:18px;color:#000000;">3D elbows as an example, are calculated with:&nbsp;</span> </div> <span style="color:#000000;"> <div style="text-align:left;"> <span style="font-size:18px;color:#000000;">3(D) x 2(NPS) x 25.4</span> </div> </span> <p> <br /> </p> <p align="center" style="text-align:left;"> <span style="color:#000000;font-size:18px;"><span style="font-size:18px;color:#000000;">The center to face distance for a "long" radius elbow, abbreviated LR always is "1½ x Nominal Pipe Size (NPS) (1½D)", while the center to face distance for a "short" radius elbow, abbreviated SR even is to nominal pipe size</span></span> </p> </div> <p> <img src="http://i.bosscdn.com/product/8a/51/1b/6c36a0742a2829b74f4a2adc81.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=20&p=9&t=80&text=YmRwaXBlZml0dGluZy5ib3NzZ29vLmNvbQ%3D%3D" title="90 Reducing Lr Elbow" alt="90 Reducing Lr Elbow" /><img src="http://i.bosscdn.com/product/d5/30/09/e2d9d36a97d953c26a10cb0d1a.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=20&p=9&t=80&text=YmRwaXBlZml0dGluZy5ib3NzZ29vLmNvbQ%3D%3D" title="Butt Weld Pipe Elbow" alt="Butt Weld Pipe Elbow" /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> </span> </h1>