Capacities | Automatic Shutoff Valves
CAPACITIES and VALVE SELECTION CHARTS
1000000
1000000
100000
500000
500000
50000
100000
100000
50000
50000
10000
5000
10000
10000
5000
5000
1000
1000
1000
500
500
500
100
100
100
0.1
0.5
1.0
5.0 10.0
5 10
50 100.0
0.2
0.1
0.3 0.4 0.5
1.0
0.1
0.5 1.0
P (inches wc) Based on 1 psi inlet
P (inches wc) Based on 5"wc inlet
P (inches wc) Based on 5 psi inlet
APPROXIMATE OIL CAPACITY Based on #2 Fuel Oil
Q = scfh G = specific gravity P 1 = inlet psia P 2 = outlet psia T = temp. (460 + F)
½
To calculate gas flow at other pressures:
Valve
gph
Q = 1360 Cv (P 1 – P 2 ) 2 GT 2 2
1518/19-0 1518/19-1 1300 1518/19-2 2900 1200
(60 F, 30°API) at P = 1 psig
UL/FM/CGA SANCTIONED
scfh Nat'l Gas at 1 osig P w/2 psig inlet
Manual
Max. psi
Motor Timing
at Inlet ‡ on 60 Hz (sec.)
Valve Size
Cv
Reset
Motorized
-0 ( ¾ ")
20 20
1 460 1 540
1518-0 1518-1 1518-1-S
1519-0 1519-1 1519-1-S
125 125
6 6
-1 (1")
-2 (1 ¼ ") -3 (1 ½ ")
45 53
3 390 4 080
1518-2 1518-3
1519-2 1519-3
100
6 6
70
1518-3-S
1519-3-S
-4 (2")
86
6 600
1518-4
1519-4
70
6
1518-4-S 1518-5(F)
1519-4-S 1519-5(F)
127
9 800 23 400
40 50
6 6
-5 (2 ½ ")
304
1518-5-E(F) 1518-5-EFS
1519-5-E(F) 1519-5-EFS
173
13 300 33 300
1518-6
1519-6
30 40
6 6
-6 (3")
423
1518-6-E(F) 1518-6-EFS
1519-6-E(F) 1519-6-EFS 1519-7-EF 1519-7-EFS 1519-7-XF 1519-7-XFS
490
38 600 1518-7-EF
40
6
1518-7-EFS
-7 (4")
719
56 600
—
60
12
1518-8-F 1518-8-FS
12
68 400
—
20
869
-8 (6")
1172
92 300
—
1519-8-XF 1519-8-XFS
50
12
‡ Maximum operating pressure differential must not exceed the maximum inlet pressure. (F) = Optional Flanged S = Steel Body
E = Extra Capacity (CPRS)
F = Standard Flanged
U = Non-sanctioned
X = Rack and Pinion Operator (HC)
Bulletin 1518/1519 Page 4
Blank = Standard Capacity (RS)
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