Data Sheet

Bulletin LP-7:C471/C477
7
Figure 7. Type C477-24 Typical Reverse Flow Curve
650 /
2460
600 /
2271
0 50 /
189
FLOW RATE, GPM / L/min PROPANE
VALVE DIFFERENTIAL PRESSURE, psig / bar
Valve Closed Position
Valve Open Position
40 /
2.8
0
35 /
2.4
30 /
2.1
25 /
1.7
20 /
1.4
15 /
1.0
10 /
0.69
5 /
0.35
100 /
379
150 /
568
200 /
757
250 /
946
300 /
1136
550 /
2082
450 /
1703
400 /
1514
350 /
1325
500 /
1893
700 /
2650
FLOW RATE, GPM / L/min PROPANE
VALVE DIFFERENTIAL PRESSURE, psig / bar
Figure 8. Type C477-16 Typical Reverse Flow Curve
55 / 3.8
50 / 3.4
45 / 3.1
40 / 2.8
35 / 2.4
30 / 2.1
25 / 1.7
20 / 1.4
15 / 1.0
10 / 0.69
5 / 0.35
0
0
50 /
189
100 /
379
150 /
568
200 /
757
250 /
946
300 /
1136
350 /
1325
Valve Open Position
Valve Closed Position
Figure 9. Dimensions
Table 3.
Dimensions
TYPE
NUMBER
A,
INCH FNPT / DN
B,
INCH MNPT / DN
DIMENSIONS, INCHES / mm
C D E F H
INSTALLATION CLEARANCE
DIAMETER
C471-16 2 / 50 2 / 50 8.07 / 205 2.40 / 61 4.05 / 103 2.76 / 70 2.66 / 68 10.00 / 254
C471-24 3 / 80 3 / 80 9.00 / 229 2.60 / 66 4.57 / 116 3.25 / 83 3.26 / 83 13.38 / 340
C477-16 2 / 50 2 / 50 8.07 / 205 2.40 / 61 4.05 / 103 - - - - - - - - 10.00 / 254
C477-24 3 / 80 3 /80 9.00 / 229 2.60 / 66 4.57 / 116 - - - - - - - - 13.38 / 340

SWING
A-FNPT
APPROXIMATE TOP
OF BOSS OR
COUPLING
B-MNPT
1/4-INCH
C
D
E
B - MNPT
APPROXIMATE
TOP OF BOSS
OR COUPLING
C
CLOSED
E
A - FNPT

SWING
D
A - FNPT
F
H
1/4-INCH FNPT
C477 SERIES
C471 SERIES