AUTOFLAME Mk8 MM User Manual

10 Water Level Control
Mk8 MM Manual Page | 166
10.3.2 Feed Water Valve Sizing
Feed water valves are available as threaded or flanged. Use the water velocity, pressure drop across the
valve, water flow rate and steam flow rate to find the correct valve size.
Autoflame Part No. WLCV015 - ½” feed water valve water flow calculations @20°C
Water Velocity
Pressure Drop Across Valve
Water Flow Rate
Steam Flow Rate
Ft/sec
M/sec
∆P PSI
∆P Bar
G/hr (imp)
G/M (imp)
G/M (US)
lbs/hr
Kg/hr
6
1.82
1
0.07
160
2.6
3.2
1600
727
9
2.74
2
0.14
235
3.9
4.7
2350
1068
15
4.57
5
0.34
380
6.3
7.6
3800
1727
21
6.40
10
0.68
560
9.3
11.2
5600
2545
26
7.90
15
1.03
700
11.6
14
7000
3182
32
9.73
20
1.38
820
13.6
16.4
8200
3727
Autoflame Part No. WLCV020 - ¾” feed water valve water flow calculations @20°C
Water Velocity
Pressure Drop Across Valve
Water Flow Rate
Steam Flow Rate
Ft/sec
M/sec
∆P PSI
∆P Bar
G/hr (imp)
GPM (imp)
US GPM
lbs/hr
Kg/hr
8
2.43
1
0.07
460
7.7
9.2
4600
2090
12
3.65
2
0.14
665
11
13.3
6650
3022
19
5.79
5
0.34
1100
18.3
22
11000
5000
28
8.53
10
0.68
1630
27.1
32.63
16300
7409
34
10.34
15
1.03
2000
33.3
40
20000
9090
40
12.16
20
1.38
2400
40
48
24000
10909
Autoflame Part No. WLCV025 - 1” feed water valve water flow calculations @20°C
Water Velocity
Pressure Drop Across Valve
Water Flow Rate
Steam Flow Rate
Ft/sec
M/sec
∆P PSI
∆P Bar
G/hr (imp)
GPM (imp)
US GPM
lbs/hr
Kg/hr
13
3.96
1
0.07
1560
26
31.2
15600
7091
21
6.4
2
0.14
2300
38.3
46
23003
10456
32
9.75
5
0.34
3800
63.3
76
38005
17275
46
14.02
10
0.68
5600
93.9
112
56007
25458
60
18.24
15
1.03
7000
116.6
140
70008
31822
70
21.28
20
1.38
8200
136.6
164
82011
37278
Autoflame Part No. WLCV040 – 1 ½” feed water valve water flow calculations @20°C
Water Velocity
Pressure Drop Across Valve
Water Flow Rate
Steam Flow Rate
Ft/sec
M/sec
∆P PSI
∆P Bar
G/hr (imp)
GPM (imp)
US GPM
lbs/hr
Kg/hr
17
5.17
1
0.07
4700
78.3
94
47005
21366
25
7.60
2
0.14
6700
11.6
134
67007
30458
39
11.86
5
0.34
11200
186.6
224
112015
50916
60
18.24
10
0.68
16500
275
330
165022
75010
75
22.80
15
1.03
20000
333.3
400
200028
90922
90
27.36
20
1.38
24000
400
480
240033
109126
Autoflame Part No. WLCV050 - 2” feed water valve water flow calculations @20°C
Water Velocity
Pressure Drop Across Valve
Water Flow Rate
Steam Flow Rate
Ft/sec
M/sec
∆P PSI
∆P Bar
G/hr (imp)
GPM (imp)
US GPM
lbs/hr
Kg/hr
21
6.38
1
0.07
10000
166.6
200
100014
45461
31
9.42
2
0.14
15000
250
300
150020
68191
46
13.99
5
0.34
24000
400
480
240033
109106
72
21.89
10
0.68
36000
600
720
360049
163659
85
25.84
15
1.03
44000
733
880
440061
200028
110
33.44
20
1.38
51000
850
1021
510072
231851

AUTOFLAME Mk8 MM Specifications

General

Brand	AUTOFLAME
Model	Mk8 MM
Category	Controller
Language	English