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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.

Pressure Relief Grease Fittings
Pressure Relief Grease Fittings
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

Relief Grease Fittings

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SAE Products 1709 Husted Rd. (#4) Conway, SC 29526 - Phone:1-800-588-8480 Fax: 1-843-349-0738
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