About Oil Fittings and Oil Cups
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About Noise, Filtration, and Flow Ratings
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Oil Fittings
Zinc and zinc-plated steel fittings have mild corrosion resistance. Zinc-plated brass fittings have good corrosion resistance. Nickel-plated brass fittings are more corrosion resistant than zinc-plated brass fittings.
Fitting with a check valve prevents oil from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants. Fittings with a self-closing hinged cover block contaminants from entering equipment.
UNF and UNEF threads are similar to threads on a machine screw or bolt. They require a sealant, such as an O-ring, to minimize leakage.
Note: Fittings do not hold oil; any oil dispensed into the fittings passes into the part to be lubricated.
Each | |||||||
|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Thread Lg. | Installation Clearance | 1-9 | 10-Up | |
1/4"-32 Male UNEF Threads | |||||||
| Zinc-Plated Brass | 7/16" | 7/32" | 7/32" | 3/8" | 000000 | 000000 | 000000 |
Each | |||||||
|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Thread Lg. | Installation Clearance | 1-9 | 10-Up | |
1/8 Male NPT Threads | |||||||
| Zinc-Plated Steel | 13/16" | 1/4" | 1/4" | 13/16" | 0000000 | 000000 | 000000 |
| Zinc-Plated Steel | 7/8" | 9/32" | 9/32" | 29/32" | 0000000 | 00000 | 00000 |
| Zinc-Plated Steel | 1 5/32" | 13/32" | 13/32" | 1 7/32" | 0000000 | 00000 | 00000 |
1/4 Male NPT Threads | |||||||
| Zinc-Plated Steel | 1 5/32" | 13/32" | 13/32" | 1 7/32" | 0000000 | 00000 | 00000 |
3/8 Male NPT Threads | |||||||
| Zinc-Plated Steel | 1 9/32" | 3/8" | 3/8" | 1 7/32" | 0000000 | 00000 | 00000 |
1/2 Male NPT Threads | |||||||
| Zinc-Plated Steel | 1 7/16" | 9/16" | 9/16" | 1 7/16" | 0000000 | 00000 | 00000 |
10-32 Male UNF Threads | |||||||
| Zinc-Plated Steel | 9/16" | 3/16" | 3/16" | 3/4" | 0000000 | 00000 | 00000 |
1/4"-32 Male UNEF Threads | |||||||
| Zinc-Plated Steel | 9/16" | 5/32" | 5/32" | 11/16" | 0000000 | 00000 | 00000 |
| Zinc-Plated Steel | 9/16" | 3/16" | 3/16" | 3/4" | 0000000 | 00000 | 00000 |
| Zinc-Plated Steel | 3/4" | 1/4" | 1/4" | 3/4" | 0000000 | 00000 | 00000 |
5/16"-32 Male UNEF Threads | |||||||
| Zinc-Plated Steel | 27/32" | 1/4" | 1/4" | 13/16" | 0000000 | 00000 | 00000 |
1 Female NPT Threads | |||||||
| Zinc-Plated Steel | 1 9/16" | 3/4" | 3/4" | 2 9/32" | 0000000 | 000000 | 00000 |
Each | ||||||||
|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Overall Wd. | Shank Lg. | Thread Lg. | Installation Clearance | 1-9 | 10-Up | |
1/8 Male NPT Threads | ||||||||
| Zinc | 25/32" | 1 3/32" | 1/4" | 1/4" | 1 5/16" | 0000000 | 000000 | 000000 |
10-32 Male UNF Threads | ||||||||
| Zinc | 19/32" | 3/4" | 5/32" | 5/32" | 1 1/16" | 0000000 | 00000 | 00000 |
1/4"-32 Male UNEF Threads | ||||||||
| Zinc | 19/32" | 3/4" | 3/16" | 3/16" | 1 1/16" | 0000000 | 00000 | 00000 |
5/16"-32 Male UNEF Threads | ||||||||
| Zinc | 25/32" | 1 3/32" | 3/16" | 3/16" | 1 5/16" | 0000000 | 00000 | 00000 |
Oil Fittings for Unthreaded Holes
Drive these fittings into unthreaded holes.
Zinc and zinc-plated steel fittings have mild corrosion resistance.
Fittings with a check valve prevent oil from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants. Fittings with a self-closing hinged cover block contaminants from entering equipment.
Note: Fittings do not hold oil; any oil dispensed into the fittings passes into the part to be lubricated.
For technical drawings and 3-D models, click on a part number.
Each | |||||||
|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Shank Lg. | Overall Ht. | Installation Clearance | 1-9 | 10-Up | |
| 3/16" | Zinc-Plated Steel | 1/4" | 9/32" | 7/32" | 000000 | 00000 | 00000 |
| 1/4" | Zinc-Plated Steel | 9/32" | 5/16" | 9/32" | 000000 | 0000 | 0000 |
| 5/16" | Zinc-Plated Steel | 5/16" | 3/8" | 11/32" | 000000 | 0000 | 0000 |
| 3/8" | Zinc-Plated Steel | 3/8" | 15/32" | 13/32" | 000000 | 00000 | 00000 |
| 7/16" | Zinc-Plated Steel | 15/32" | 17/32" | 15/32" | 000000 | 00000 | 00000 |
Each | |||||||
|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Shank Lg. | Overall Ht. | Installation Clearance | 1-9 | 10-Up | |
| 3/16" | Zinc-Plated Steel | 7/32" | 15/32" | 3/4" | 0000000 | 00000 | 00000 |
| 1/4" | Zinc-Plated Steel | 5/32" | 13/32" | 11/16" | 000000 | 00000 | 00000 |
| 1/4" | Zinc-Plated Steel | 1/4" | 7/16" | 3/4" | 0000000 | 00000 | 0000 |
| 5/16" | Zinc-Plated Steel | 7/32" | 1/2" | 3/4" | 000000 | 00000 | 00000 |
| 3/8" | Zinc-Plated Steel | 7/32" | 17/32" | 25/32" | 000000 | 00000 | 00000 |
| 7/16" | Zinc-Plated Steel | 5/16" | 11/16" | 29/32" | 000000 | 00000 | 00000 |
| 1/2" | Zinc-Plated Steel | 3/8" | 13/16" | 1 7/32" | 0000000 | 00000 | 00000 |
| 3/4" | Zinc-Plated Steel | 9/16" | 1 3/16" | 1 13/16" | 0000000 | 00000 | 00000 |
| 7/8" | Zinc-Plated Steel | 1/2" | 1 1/16" | 1 13/16" | 0000000 | 00000 | 00000 |
| 1" | Zinc-Plated Steel | 19/32" | 1 5/16" | 2 3/32" | 0000000 | 00000 | 00000 |
| 1 1/4" | Zinc-Plated Steel | 13/16" | 1 11/16" | 2 7/16" | 0000000 | 00000 | 00000 |
Breather Vents with Cap
Add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Breather vents stop debris from entering your tank. Mount them on top of standard tank openings with included hardware.
For technical drawings and 3-D models, click on a part number.
Vents | Replacement Screens | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Opening Dia. | Max. Flow Rate, gpm | Max. Temp., °F | Ht. | For Use With | Screen Material | Mount Type | Number of Bolt Holes | Bolts Included | Removes Particle Size Down To, microns | Each | Each | ||
Steel Body | |||||||||||||
304 Stainless Steel Cap  | |||||||||||||
| 2 1/8" | 20 | 220° | 5" | Air, Oil | 304 Stainless Steel | Flange | 6 | Yes | 40 | 0000000 | 000000 | 0000000 | 000000 |
Steel Cap | |||||||||||||
| 2 1/8" | 192 | 250° | 5 1/8" | Air, Oil | 304 Stainless Steel | Flange | 6 | Yes | 40 | 0000000 | 00000 | 0000000 | 0000 |
| For Opening Dia. | Max. Flow Rate | Max. Temp., °F | Ht. | For Use With | Screen Material | Mount Type | Number of Bolt Holes | Bolts Included | Removes Particle Size Down To, microns | Each | |
Nylon Plastic Body | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Nylon Plastic Cap | |||||||||||
| 2" | Not Rated | 195° | 5 3/4" | Air, Oil | Nylon Plastic | Flange | 6 | Yes | 40 | 0000000 | 000000 |
Vents | Replacement Screens | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Opening Dia. | Max. Flow Rate, gpm | Max. Temp., °F | Ht. | For Use With | Screen Material | Mount Type | Number of Bolt Holes | Bolts Included | Removes Particle Size Down To, microns | Each | Each | ||
Steel Body | |||||||||||||
304 Stainless Steel Cap | |||||||||||||
| 2 1/8" | 20 | 220° | 5 3/4" | Air, Oil | Nylon Plastic | Flange | 6 | Yes | 40 | 0000000 | 000000 | 0000000 | 000000 |
Steel Cap | |||||||||||||
| 2 1/8" | 115 | Not Rated | 5 1/8" | Air, Oil | 304 Stainless Steel | Flange | 6 | Yes | 10 | 00000000 | 00000 | 0000000 | 0000 |
| 2 1/8" | 115 | Not Rated | 6 1/8" | Air, Oil | Nylon Plastic | Flange | 6 | Yes | 10 | 00000000 | 00000 | 00000000 | 0000 |
| 2 1/8" | 190 | 150° | 6 1/8" | Air, Oil | Nylon Plastic | Flange | 6 | Yes | 40 | 0000000 | 00000 | 00000000 | 0000 |
Vents | Replacement Screens | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Opening Ht. | For Opening Wd. | Max. Flow Rate, gpm | Max. Temp., °F | Ht. | Wd. | Dp. | For Use With | Screen Material | Mount Type | Number of Bolt Holes | Bolts Included | Removes Particle Size Down To, microns | Each | Each | ||
Nylon Plastic Body | ||||||||||||||||
Steel Cap | ||||||||||||||||
| 3 1/2" | 3" | 115 | Not Rated | 6 1/8" | 4 5/8" | 4" | Air, Oil | 304 Stainless Steel | Flange | 7 | Yes | 10 | 00000000 | 000000 | 0000000 | 00000 |
| 3 1/2" | 3" | 192 | Not Rated | 6 1/8" | 4 5/8" | 4" | Air, Oil | 304 Stainless Steel | Flange | 7 | Yes | 40 | 00000000 | 00000 | 0000000 | 0000 |
Lockable Breather Vents with Cap
Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering. These breather vents allow you to add a filling port to your hydraulic tank while protecting against excess pressure and vacuum. Use them to stop debris from entering your tank. Breather vents mount on top of standard tank openings with included hardware. Padlock is not included.
For technical drawings and 3-D models, click on a part number.
Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Opening Dia. | Ht. | For Use With | Cap | Screen | Mount Type | Bolts Included | Removes Particle Size Down To, microns | For Max. Padlock Shackle Dia. | Each | |
| 2 1/8" | 5 1/8" | Air, Oil | Steel | 304 Stainless Steel | Flange | Yes | 10 | 3/8" | 0000000 | 000000 |
| 2 1/8" | 5 1/8" | Air, Oil | Steel | 304 Stainless Steel | Flange | Yes | 40 | 3/8" | 0000000 | 00000 |
| 2 1/8" | 6 1/8" | Air, Oil | Steel | Nylon Plastic | Flange | Yes | 10 | 3/8" | 0000000 | 00000 |
| 2 1/8" | 6 1/8" | Air, Oil | Steel | Nylon Plastic | Flange | Yes | 40 | 3/8" | 0000000 | 00000 |
Material | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Max. Temp., °F | Ht. | Dia. | For Use With | Cap | Screen | For Max. Padlock Shackle Dia. | Each | |
NPT Male | |||||||||
| 2 | 200° | 4 1/2" | 5 5/8" | Air, Oil, Water | Aluminum | Stainless Steel | 3/8" | 0000000 | 000000 |
Oil Cups
A built-in reservoir allows oil to gradually pass through to equipment, reducing time spent on manual lubrication. Flow rate depends on temperature.
Use 90° elbow cups for side-mount applications and where vertical space is limited.
Oil cups with wick feed have a wick that extends through the threaded connection of the cup and keeps the bearing dust-free and lubricated, even after the oil cup is drained.
For technical drawings and 3-D models, click on a part number.
Each | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cap., fl. oz. | Overall Ht. | Installation Clearance | Thread Lg. | Bowl Material | Pressure Regulation | 1-9 | 10-Up | |
1/8 NPT Male Outlet | ||||||||
| 1/16 | 1 1/2" | 1 7/32" | 5/16" | Zinc-Plated Steel | Nonvented | 0000000 | 000000 | 000000 |
| 1/8 | 1 21/32" | 1 7/16" | 5/16" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
| 5/16 | 1 29/32" | 1 13/16" | 5/16" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
1/4 NPT Male Outlet | ||||||||
| 5/16 | 2" | 1 13/16" | 3/8" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
3/8 NPT Male Outlet | ||||||||
| 1 5/16 | 2 9/16" | 2 7/16" | 3/8" | Zinc-Plated Steel | Nonvented | 0000000 | 000000 | 000000 |
Each | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cap., fl. oz. | Overall Ht. | Installation Clearance | Thread Lg. | Bowl Material | Pressure Regulation | 1-9 | 10-Up | |
1/8 NPT Male Outlet | ||||||||
| 1/16 | 2" | 1 7/32" | 3/8" | Zinc-Plated Steel | Nonvented | 0000000 | 000000 | 000000 |
| 1/8 | 2 5/32" | 1 7/16" | 11/32" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
| 5/8 | 2 13/32" | 2" | 3/8" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
1/4 NPT Male Outlet | ||||||||
| 5/8 | 2 15/32" | 2" | 3/8" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
Overall | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cap., fl. oz. | Ht. | Wd. | Installation Clearance | Thread Lg. | Bowl Material | Pressure Regulation | 1-9 | 10-Up | |
1/8 NPT Male Outlet | |||||||||
| 1/8 | 15/16" | 1 11/32" | 1 19/32" | 5/16" | Zinc-Plated Steel | Nonvented | 0000000 | 000000 | 000000 |
| 1/2 | 1 7/16" | 1 11/16" | 2 5/8" | 5/16" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
1/4 NPT Male Outlet | |||||||||
| 1/2 | 1 7/16" | 1 15/16" | 2 1/2" | 7/16" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
3/8 NPT Male Outlet | |||||||||
| 1 7/8 | 2 1/16" | 2 13/32" | 4" | 7/16" | Zinc-Plated Steel | Nonvented | 0000000 | 00000 | 00000 |
1/2 NPT Male Outlet | |||||||||
| 3 3/4 | 2 1/16" | 3 1/2" | 4" | 9/16" | Zinc-Plated Steel | Nonvented | 0000000 | 000000 | 000000 |