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VELOCITY
FUSE
IN-LINE |
28900-500
SERIES
MALE
NPTF TO
FEMALE NPTF CONNECTION |
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| DESCRIPTION |
| - |
AN
IN-LINE VELOCITY
FUSE WITH A MALE
NPTF INLET AND A
FEMALE NPTF OUTLET
THAT PROVIDES
FULL-LINE SHUT-OFF
IN THE EVENT OF A
LINE FAILURE. |
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| OPERATION |
| - |
A
FLOW BELOW THE
SPECIFIED LIMIT IS
ALLOWED FROM
“1” TO
“2”. |
| - |
FLOW
ABOVE THE
SPECIFIED LIMIT IS
ASSUMED TO BE A
LINE FAILURE AND
IS BLOCKED. |
| - |
FLOW
FROM “2” TO
“1” PASSES
THRU THE
CONTROLLING
ORIFICE BUT IS
UNCONTROLLED. |
| - |
CLOSING
FLOW TOLERANCE=
+15%/-0% |
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| FEATURES |
| - |
STEEL
COMPONENTS. |
| - |
FAIL
SAFE DESIGN. |
| - |
RAPID
RESPONSE. |
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-
SPECIFICATIONS - |
| Hydraulic
Symbol |
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| Operating
Pressure |
3500
PSI |
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Temperature Range |
250ºF to -40ºF |
| Reopening
Differential |
50
PSI |
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ALL
DIMENSIONS IN INCHES |
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-
ORDERING INFORMATION - |
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| MODEL |
CONN.
1 |
CONN.
2 |
FLOW
RANGE |
L |
HEX. |
| 28900-502 |
1/4-18
NPTF |
1/4-18
NPTF |
0.1
– 4.0 GPM |
2.70 |
0.750 |
| 28900-503 |
3/8-18
NPTF |
3/8-18
NPTF |
0.5
– 10.0 GPM |
2.70 |
0.875 |
| 28900-504 |
1/2-14
NPTF |
1/2-14
NPTF |
1.0
– 25.0 GPM |
3.00 |
1.125 |
| 28900-506 |
3/4-14
NPTF |
3/4-14
NPTF |
2.0
– 40.0 GPM |
3.20 |
1.375 |
| 28900-508 |
1-11
1/2
NPTF |
1-11
1/2
NPTF |
2.0
- 50.0 GPM |
3.80 |
1.625 |
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Vonberg
Valve, inc.
HYDRAULIC
VALVE SPECIALISTS |
3800
Industrial Avenue
Rolling Meadows, IL 60008-1085
847/ 259-3800 fax 847/259-3997 |
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