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Pressure Relief Grease Fittings




Pressure Relief Grease Fittings
are commonly used 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 pre-determined pressures shown in the table below 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
          PRESSURE RELIEF GREASE FITTINGS   *   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
10
1/2"
19/64"
7/16"
N/A
H-200-47200
1/8"-PTF
1
5
10
1/2"
19/64"
7/16"
N/A
H-200-5677
1/8"-PTF.
1
5
10
1/2"
19/64"
7/16"
N/A
H-200-47640
1/8"-PTF.
7.5
15
10
1/2"
19/64"
7/16"
N/A
H-200-323060
1/8"-PTF.
15
25
10
1/2"
19/64"
7/16"
N/A
H-200-5678J
1/8"-PTF.
7.5
15
10
12.7
7.1
7/16"
N/A
H-200-47100
1/8"-PTF.
45
80
10
1/2"
19/64"
7/16"
N/A
H-200-50500
1/8"-PTF.
400
650
10
1/2"
19/64"
7/16"
N/A
H-300-47200
1/4"-PTF.
1
5
10
43/64"
27/64"
39/64"
N/A
N/A
K-38-321839
3/8" DRIVE.
1
5
11
1/2"
N/A
N/A
N/A
H-200-338382
1/8"-PTF. LEAKPROOF
80
140
12
9/16"
11/32"
7/16
N/A

Relief Grease Fittings

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

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