reducing.pdf
TRANSCRIPT
FLANGES - 53
REDUCING FLANGES
Rev. 2. 0 / 2012. 05. 11
150 LB.Standard
Outside Diameter of Flange From Which Reduction is Being Made
300 LB.Standard
400 LB.Standard
600 LB.Standard
900 LB.Standard
1500 LB.Standard
2500 LB.Standard
SmallestSize Bore orTappingRequiringHub Flange
NominalFlangeSize
Nominal
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8
10
12
14
16
18
20
24
98.5
108.0
117.5
127.0
152.5
178.0
190.5
216.0
228.5
254.0
279.5
343.0
406.5
482.5
533.5
597.0
635.0
698.5
813.0
117.5
124.0
133.5
155.5
165.0
190.5
209.5
228.5
254.0
279.5
317.5
381.0
444.5
520.5
584.0
647.5
711.0
774.5
914.5
117.5
124.0
133.5
155.5
165.0
190.5
209.5
228.5
254.0
279.5
317.5
381.0
444.5
520.5
584.0
647.5
711.0
774.5
914.5
117.5
124.0
133.5
155.5
165.0
190.5
209.5
228.5
273.0
330.0
355.5
419.0
508.0
559.0
603.5
686.0
743.0
813.0
940.0
130.0
149.4
158.8
177.8
215.9
244.3
241.3
-
292.1
349.3
381.0
470.0
546.1
609.6
641.4
705.0
787.4
857.3
1041.4
130.0
149.4
158.8
177.8
215.9
244.3
266.7
-
311.2
374.7
393.7
482.6
584.2
673.1
749.3
825.5
914.4
984.3
1168.4
139.7
158.8
184.2
203.2
235.0
266.7
304.8
-
355.6
419.1
482.6
552.5
673.1
762.0
-
-
-
-
-
1/2
1/2
1/2
1/2
1
1 1/4
1 1/4
1 1/2
1 1/2
1 1/2
2 1/2
3
3 1/2
3 1/2
3 1/2
4
4
4
4
Unit : mm
CLASS 150 - 2500 REDUCING FLANGES
NOTE : For reductions to sizes smaller than shown, Blind Flanges are tapped or bored for specified nominal pipe size.