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C427 Series Internal Valves |
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Introduction
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The C427 Series internal valves are economical, compact valves with straightthrough flow. They are suitable for LP-Gas (propane) or ammonia service, and special construction is available for other compressed gases. Common installations include bobtail, transport, stationary tank, and in-line.
Features
- Straight-Through Flow
- Compact
- Teflon (TFE) Packing
- Meets NFPA 58 Requirements
- UL Listed
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| Figure 1. C427 Series Internal Valve |
Maximum Allowable Inlet Pressure
400 psig (27,5 bar)
Outlet Pressure Range
See Table 2
Temperature Capabilities
-20° to 150°F (-29° to 66°C)
Additional Technical Data
For more technical information contact your Fisher Distributor or refer to LP-31 Equipment Buyer’s Guide.
Figure 2. Dimensions
| Table 1. Dimensions |
BODY
SIZE,
INCHES |
A |
B |
C |
D |
E |
F |
| Inches (mm) |
| 2 |
2 (51) |
2.25 (57) |
8.05 (204) |
4.18 (106) |
3.25 (83) |
4.46 (113) |
| 3 |
3 (76) |
2.86 (73) |
8.78 (223) |
4.09 (104) |
4.50 (114) |
5.12 (130) |
| Table 2. Valve Specifications |
CONNECTIONS
INLET x OUTLET |
CLOSING FLOW GALLONS PER MINUTE
(LITERS PER MINUTE) OF PROPANE |
VAPOR CAPACITY SCFH (m³/h(n)) OF PROPANE |
ORDER NUMBER(1) |
| Half Coupling |
Full Coupling |
25 Psig (1,7 Bar) Inlet |
100 Psig (6,9 Bar) Inlet |
Straight Body |
2-inches MNPT x
2-inches FNPT |
100 (379) |
60 (227) |
22,000 (590) |
37,600 (1008) |
C427-16-10 |
| 150 (568) |
90 (341) |
32,000 (858) |
54,500 (1461) |
C427-16-15 |
| 250 (946) |
130 (492) |
- - - |
- - - |
C427-16-25 |
3-inches MNPT x
3-inches FNPT |
150 (568) |
100 (379) |
29,200 (783) |
49,700 (1332) |
C427-24-15 |
| 200 (757) |
125 (473) |
44,400 (1190) |
75,400 (2021) |
C427-24-20 |
| 250 (946) |
165 (625) |
52,600 (1410) |
89,400 (2396) |
C427-24-25 |
| 400 (1514) |
235 (890) |
81,800 (2192) |
139,000 (3725) |
C427-24-40 |
| 500 (1893) |
325 (1230) |
- - - |
- - - |
C427-24-50 |
| 1. Standard unit with manual operating lever and Type P134 fusible link. For optional controls, refer to accessories section of LP-31 Equipment Buyers Guide. |
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