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llifxh• • : r-144Ar�1 <br />TYPE M RATED WORKING PRESSURE (PSIG) <br />Tube Fittings Valves <br />NOM DIA <br />WTIFT <br />FT/BNDL j <br />WALL T <br />150 F _. <br />200 F <br />300°F_ j <br />_400°F____; <br />3/8 <br />0 145 <br />1 <br />1 0.025 1 <br />485 1 <br />447 j <br />285 <br />_ <br />1/2 <br />0.204 <br />0.028 <br />420 1_395 <br />_456 <br />_ _ <br />381 <br />247 <br />_500 _ <br />1 500 <br />3/4 <br />0328 <br />t <br />q0.__ <br />346 f <br />326 <br />_ <br />319204 <br />_ <br />.,_ _ - _. <br />1 <br />0465 <br />-- <br />-2_ <br />i 100 �_ <br />01035 <br />286 i <br />270 <br />26-1 i.. <br />169_ <br />1 1/4 <br />0,682 <br />100 <br />0.042 1 <br />287 <br />271 <br />265 <br />169 <br />I I/2 :_ <br />094 <br />100 _ <br />0.049 <br />282 i <br />_2_65 <br />_ 2 <br />146 <br />0.058 _ i.__ <br />0.065 <br />254 <br />233 1 <br />239234 <br />219 <br />i.__ <br />'i —215 <br />149 <br />137__1 <br />203 <br />3 <br />268 <br />- <br />0.072 1 <br />215 <br />203 <br />y 199 <br />127 <br />i <br />31/2 <br />358 <br />j <br />0.083 <br />214 <br />"L02 <br />I 197 <br />4— <br />126 <br />----� <br />4 i <br />466 <br />0.095 i <br />213 1 <br />201 <br />1_ 197 <br />126 <br />.66 <br />09 <br />1 <br />86 <br />1183_1-82 <br />1 i <br />116 <br />6 <br />892 <br />165 <br />__ <br />t 0.122 <br />186 <br />175 <br />; _ 171 ; <br />109 <br />8 <br />- <br />_ <br />0'17 <br />19S <br />180 <br />115_ <br />_ <br />Table give computed allowable stress For annealed copper tube at indicated temperature. <br />TECHNICAL DATA <br />Values of allowable internal working pressure for coppertube in service are based on the formula from ANSI 631, Standard <br />Code for Pressure Piping: <br />P= <br />P = Allowable Pressure <br />S = Allowable stress <br />T= Wall thickness <br />D Max = Outside Diameter <br />2Stm <br />D max - 0.8 on <br />@ 1507 S = S 100 PSIG annealed <br />@ 200°F S= 480OPSIG annealed <br />@ 300°F S= 4700 PSIG annealed <br />@ 400°F S= 3000 PSIG annealed <br />All ratings listed for types K, L, M, DVW and refrigeration service tube in the preceding charts are calculated for tube in the <br />annealed condition. These values should be used when soldering, brazing or welding is employed for joining components in <br />a system. While the ratings for hard drawn tube are substantially higher, they should only be used for systems using properly <br />designed flare or compression mechanical joints, since joining by any heating process might anneal (soften) the tube. <br />In designing a system, careful consideration should also be given to joint ratings as well as those ofthe components. <br />A BRAND OF MUELLER INDte$TiilE3 M <br />