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Pressure Relief Grease Fittings
For use on gear box housings and bearings, (such as king pins, universal joints, etc.), where excessive lubricant pressures are not desirable. These safety valves open at the pre-determined pressures shown in the table and can be used with either oil or grease. Pressure Relief Grease Fittings are also referred to as Pressure Relief Zerk Fittings, Pressure Relief Lubrication Fittings, and Pressure Relief Grease Zerks.
| SAE Number | Description |
Min. psi | Max. psi | FIG |
A |
B |
X |
Alemite
|
Lincoln
|
| H-200-317400 | 1/8"-PTF |
1/4 |
1 |
8 |
1/2" |
19/64" |
7/16" |
317400 |
N/A |
| H-200-47200 | 1/8"-PTF |
1 |
5 |
8 |
1/2" |
19/64" |
7/16" |
47200 |
N/A |
| H-200-5677 | 1/8"-PTF.
|
1 |
5 |
8 |
1/2" |
19/64" |
7/16" |
N/A |
5677 |
| H-200-47640 | 1/8"-PTF.
|
7.5 |
15 |
8 |
1/2" |
19/64" |
7/16" |
47640 |
N/A |
| H-200-323060 | 1/8"-PTF. |
15 |
25 |
8 |
1/2" |
19/64" |
7/16" |
323060 |
N/A |
| H-200-5678J | 1/8"-PTF.
|
7.5 |
15 |
8 |
12.7 |
7.1 |
7/16" |
N/A |
5678 |
| H-200-47100 | 1/8"-PTF.
|
45 |
80 |
8 |
1/2" |
19/64" |
7/16" |
47100 |
N/A |
| H-200-50500 | 1/8"-PTF. |
400 |
650 |
8 |
1/2" |
19/64" |
7/16" |
50500 |
N/A |
| H-300-47200 | 1/4"-PTF.
|
1 |
5 |
8 |
43/64" |
27/64" |
39/64" |
N/A |
N/A |
| K-38-321839 | 3/8"
DRIVE. |
1 |
5 |
9 |
1/2" |
N/A |
N/A |
321839 |
N/A |
| H-200-338382 | 1/8"-PTF. LEAKPROOF |
80 |
140 |
10 |
9/16" |
11/32" |
7/16 |
338382 |
N/A |
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