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About Plastic
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About Rubber
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About Foam
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
Hard Wear-Resistant 52100 Alloy Steel Balls
- Yield Strength: 295,000 psi
- Hardness: Rockwell C60 (Very Hard)
- Specifications Met: See table
Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Heat Treatment | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 4" | -0.0005" to 0.0005" | Hardened | 1 | 00000000 | 0000000 |
Chemical-Resistant Slippery PTFE Balls
- Color: White
- Max. Temperature: 500° F
- Tensile Strength: See Table (Poor)
- Impact Strength: 3.5 ft.-lbs./in. (Good)
- Hardness: Durometer 50D-65D (Medium Soft)
- For Use Outdoors: Yes
Offering a nonstick, slippery surface, these PTFE balls are often used as bearings and in ball valves. They offer superior chemical resistance and perform well in extreme temperatures. These balls are also excellent electrical insulators.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Tensile Strength | Pkg.Qty. | Pkg. | |
| 4" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 0000000 |
Abrasion-Resistant Polyurethane Rubber Balls
Use these polyurethane balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. They are made of polyurethane, which combines the shock absorbing qualities of rubber with the strength of plastic.
Balls with a steel core are heavier than standard balls, so they’re often used to offset buoyancy or to reach a specific weight.
- Color: Black
- Temperature Range: -20° to 200° F
- Tensile Strength: 5,600 psi
- For Use Outdoors: Yes
| Dia. | Dia. Tolerance | Durometer | Each | |
| 4" | -0.020" to +0.020" | 95A (Extra Hard) | 0000000 | 000000 |
- Color: Black
- Temperature Range: -20° to 200° F
- Tensile Strength: 5,600 psi
- For Use Outdoors: Yes
Core | ||||||
|---|---|---|---|---|---|---|
| Dia. | Dia. Tolerance | Material | Dia. | Durometer | Each | |
| 4" | -0.020" to +0.020" | Steel | 3 1/2" | 95A (Extra Hard) | 0000000 | 000000 |
Floats for Threaded Rods
Connect these floats to threaded float rods (not included). Use them to replace an existing float or combine with rods and float valve bodies (not included) to build a float valve.
Polypropylene floats are lightweight and have good corrosion resistance for use with water.
Stainless steel floats have excellent corrosion resistance and are for use with water and oil.
Copper floats are for use with water.
Steel floats are for use with oil.
Cylindrical and rectangular floats are self-tapping, except 4" dia. float has a threaded hose connection.
| Dia. | Lg. | Thread Size | Thread Type | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 4" | 6" | 1/4"-20 | UNC | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| Dia. | Lg. | Thread Size | Thread Type | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 4" | 5" | 1/4"-20 | UNC | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| Dia. | Thread Size | Thread Type | Max. Pressure, psi | Temp. Range, °F | Gauge | For Container Type | Each | |
| 4" | 1/4"-20 | UNC | 175 | 35° to 210° | 22 ga. | Open Tank | 00000000 | 000000 |
Through-Hole Floats
The through-hole connection allows these floats to slide up and down a vertical float rod (not included). Use clamps (not included) to set them in a fixed position.
Stainless steel floats are more corrosion resistant than copper floats.
Floats without Connections
These floats are untethered by a float rod so they can float freely in your tank.
316 stainless steel floats are more corrosion resistant than 304 stainless steel floats.
| Dia. | Max. Pressure, psi | Temp. Range, °F | Gauge | For Container Type | Each | |
304 Stainless Steel Ball Floats—For Use With Hydraulic Fluid, Oil, Water | ||||||
|---|---|---|---|---|---|---|
| 4" | 375 | -30° to 225° | 20 ga. | Open Tank, Closed Tank | 0000000 | 000000 |
316 Stainless Steel Ball Floats—For Use With Hydraulic Fluid, Oil, Water | ||||||
| 4" | 375 | -30° to 225° | 20 ga. | Open Tank, Closed Tank | 0000000 | 00000 |
Super-Cushioning Foam Balls
- Color: Gray
- Temperature Range: -20° to 180° F
- Cell Type: Open
- For Use Outdoors: No
- Density: 1.5 lbs./cu. ft.
- Pressure to Compress 25%: 0.5 psi (Ultra Soft)
- Tensile Strength Rating: Fair
- Oil-Resistance Rating: Not Rated
Gently loosen particles from vibrating-sifter screens with the bounce of foam balls. Also use them in packaging applications. This polyurethane foam has open-cell construction, which allows water, air, and gases to be absorbed.
| Dia. | Dia. Tolerance | Each | |
| 4" | -0.25" to 0.25" | 0000000 | 00000 |