NIBCO Check Valve Automatic Stop F869B - Manual (Page 14)

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14
Theoretical Stop and Check Angle Valve Saturated Stem Flow Rates
(Figure Number F-869-B)
VALVE
SIZE
PRESSURE DROP
PSI
SATURATED STEAM
PRESSURE GAGE
STEAM VOLUME FLOW
POUNDS PER HOUR
2-1/2” 2 10 1,540
2-1/2” 2 50 2,420
2-1/2” 2 120 3,520
2-1/2” 2 250 4,840
3” 2 10 2,200
3” 2 50 3,520
3” 2 120 4,840
4” 2 10 3,740
4” 2 50 5,940
4” 2 120 8,250
4” 2 250 11,550
6” 2 10
9,900
6” 2 50 15,400
6” 2 120 23,100
6” 2 250 33,000
8” 2 10
16,500
8” 2 50 27,500
8” 2 120 38,500
8” 2 250 55,000
10” 2 10 27,500
10” 2 50 44,000
10” 2 120 63,800
10” 2 250 88,000
4” 5 10 7,150
4” 5 50 11,000
4” 5 120 16,500
4” 5 250 23,100
6” 5 10
16,500
6” 5 50 25,300
6” 5 120 37,400
6” 5 250 51,700
8” 5 10
29,700
8” 5 50 46,200
8” 5 120 66,000
8” 5 250 93,500
10” 5 10 48,400
10” 5 50 77,000
10” 5 120 104,500
10” 5 250 154,000
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