Product Catalogue

Excel Series 40 - 2" thru 60" for High Temperature & Dirty Service 125/150 lb. Flanging*

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*Torque, Lb-In, Required for PDC Swing Thru Butterfly Valves
with Disc in Closed Position for Temperatures up to 450° Fahrenheit

*Below torques only apply to normal clean service conditions.

VALVE
SIZE 		PRESSURE DROP ACROSS DISC IN CLOSED POSITION, PSI
0.5 1 5 10 15 20 25 30 40 50 60 70 80 90 100 125 150
2" 50 50 52 53 55 56 58 59 62 65 68 71 74 77 80 88 95
2-1/2" 50 51 53 55 58 60 63 65 70 75 80 85 90 95 100 113 125
3" 50 51 54 57 61 64 68 71 78 85 92 99 108 113 120 138 155
4" 51 52 59 67 78 84 93 101 118 135 152 169 188 203 220 263 -
5" 51 53 63 75 88 100 113 125 150 175 200 225 250 275 300 - -
6" 52 54 69 88 107 126 145 164 202 240 278 316 354 - - - -

 

VALVE
SIZE 		PRESSURE DROP ACROSS DISC IN CLOSED POSITION, PSI
0.5 1 3 5 8 10 13 15 20 25 30 35 40 45 50 60 70
8" 124 128 158 195 233 270 308 345 420 495 570 645 720 795 - - -
10" 129 137 171 205 256 290 341 375 460 545 630 715 800 885 970 1,140 1,310
12" 132 143 189 235 304 350 419 465 580 695 810 925 1,040 1,155 1,270 - -
14" 139 157 231 305 416 490 601 675 860 1,045 1,230 - - - - - -

 

VALVE
SIZE 		PRESSURE DROP ACROSS DISC IN CLOSED POSITION, PSI
0.5 1 2 4 5 7 9 10 12 14 15 17 19 20 22 24 25
16" 223 245 335 425 560 650 785 875 1,100 1,325 1,550 1,775 2,000 - - - -
18" 235 270 410 550 760 900 1,100 1,250 1,600 1,950 2,300 2,650 - - - - -
20" 245 290 380 580 650 830 1,010 1,100 1,280 1,460 1,550 1,730 1,910 2,000 2,180 2,380 2,450
22" 261 322 444 688 810 1,054 1,298 1,420 1,664 1,908 2,030 2,274 2,518 2,640 - - -
24" 280 359 518 836 995 1,313 1,631 1,790 2,108 2,426 2,585 2,903 - - - - -

 

VALVE SIZE PRESSURE DROP ACROSS DISC IN CLOSED POSITION, PSI
0.5 1.2 2 2.5 3 3.5 4 4.5 5 5.5 6 7 8 9 10 11 12
26" 403 505 710 1,120 1,325 1,735 2,145 2,350 2,760 3,170 - - - - - - -
28" 429 687 816 945 1,074 1,203 1,332 1,461 1,590 1,719 1,848 2,106 2,364 2,622 2,880 3,138 3,396
30" 460 779 938 1,098 1,257 1,417 1,576 1,738 1,695 2,055 2,214 2,533 2,652 3,171 3,490 3,809 -
32" 592 976 1,168 1,380 1,552 1,744 1,936 2,128 2,320 2,512 2,704 3,088 3,472 3,856 4,240 4,624 5,008
34" 632 1,096 1,328 1,560 1,792 2,024 2,256 2,488 2,720 2,952 3,184 3,648 4,112 4,576 5,040 - -
36" 677 1,231 1,508 1,785 2,062 2,339 2,616 2,693 3,170 3,447 3,724 4,278 4,832 5,386 - - -
38" 727 1,381 1,708 2,035 2,362 2,689 3,016 3,343 3,670 3,997 4,324 4,978 5,832 - - - -
40" 883 1,648 2,030 2,413 2,795 3,178 3,560 3,943 4,325 4,708 5,090 5,855 6,620 7,385 - - -
42" 945 1,834 2,278 2,723 3,167 3,612 4,058 4,501 4,945 5,390 5,834 6,723 7,612 - - - -
44" 1,013 2,039 2,552 3,065 3,578 4,091 4,804 5,117 5,630 6,143 6,656 7,882 - - - - -
46" 1,088 2,264 2,852 3,440 4,028 4,616 5,204 5,792 6,380 6,968 7,586 - - - - - -
48" 1,170 2,510 3,180 3,850 4,520 5,190 5,860 6,530 7,200 - - - - - - - -
54" 1,510 3,029 3,788 4,548 5,307 6,067 6,826 7,586 8,345 - - - - - - - -
60" 1,856 3,588 4,424 5,280 6,136 6,992 7,848 9,560 - - - - - - - - -

While this information is presented in good faith and believed to be accurate, PDC inc. does not guarantee results from reliance upon such information. Nothing contained herein is to be construed as a warranty or guarantee, expressed or implied, regarding the merchantability, fitness or any other matter with respect to the products. PDC Inc. reserves the right, without notice, to alter or improve the designs of the products herein.

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