About Oil Fittings and Oil Cups
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Vacuum Cup Levelers
Save time aligning your vacuum cups manually between pick-and-place tasks. Also known as spring plungers, these levelers use a spring to automatically adjust for height and alignment differences with each stroke. Because the spring also creates a gentle point of contact with your object, these levelers help your vacuum cups last longer. They don’t rotate, so your object will stay in the same position—use them in repetitive vacuum lifting applications where precision is required.
Choose levelers based on the required stroke length and thread compatibility with your cup and system. Tighten the mounting nuts on the body to secure them in a panel or to a mounting bracket.
Body | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stroke Lg. | Overall Lg. | Lg. | Dia. | For Max. Panel Thick. | Thread Size | Pipe Size | Gender | Material | Wt. | Each | |
Metric | |||||||||||
| 3/8" | 2" | 29/32" | 5/16" | 0.7" | M5 | __ | Male × Female | Nickel-Plated Brass | 0.05 lbs. / 0.02 kg | 0000000 | 000000 |
| 7/8" | 3 1/2" | 2" | 5/16" | 1.8" | M5 | __ | Male × Female | Nickel-Plated Brass | 0.08 lbs. / 0.04 kg | 000000 | 00000 |
Metric × BSPT | |||||||||||
| 1/2" | 3 3/8" | 1 31/32" | 1/2" | 1.6" | M8 | 1/8 | Male × Female | Nickel-Plated Brass | 0.18 lbs. / 0.08 kg | 0000000 | 00000 |
| 7/8" | 3 1/2" | 1 31/32" | 1/2" | 1.6" | M8 | 1/8 | Male × Female | Nickel-Plated Brass | 0.18 lbs. / 0.08 kg | 0000000 | 00000 |
Grease Cups
Fill the cover with grease and then screw it onto the bowl. As you tighten the cover, grease is squeezed out of the bowl and into your joint, bearing, or equipment.
Grease Outlet | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Cap., fl. oz. | Bowl Dia. | Overall Ht. | Thread Type | Pipe Size  | Gender | Bowl Material | Loading Method | Temp. Range, °F | Each | |
| 3/64 | 5/8" | 1 1/4" | NPT | 1/8 | Male | Zinc-Plated Brass | Grease Gun, Hand Pack | -40° to 355° | 0000000 | 000000 |
Oil Fittings
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. 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 |