Protective Boots for Translating and Keyed Design Machine Screw Jacks
Protective Boots for Translating and Keyed Design Machine Screw Jacks
Joyce boots protect the lifting screw from dust, dirt, and help maintain lubrication. Standard boots, fabricated from neoprene-coated nylon also guard against moisture and corrosive contaminants. Adding protective boots may increase the closed height of jacks. For specific dimensional information based on jack design, refer to the information below.
- Zippered boots
- Horizontally mounted boots
- Boots for extreme temperatures (-100°F to 500°F)
- Boots for corrosive atmospheres
- Boots for Bevel Gear Jacks and Bevel Ball Actuators
Ordering Information:
Since boots are designed for specific jacks and actuators, they are specified as part of the complete part number. Refer to the ordering section for the products on which they will be used:
Replacement Boots: To order replacement boots, contact [email protected] and provide the serial number of the jack on which the boots will be mounted.
Product Media
![jack](/sites/default/files/images/productsidebar_boots.jpg)
Standard boots are neoprene-coated nylon stitched bellows. They are rated for -60°F to 250°F.
Thickness | ||||
---|---|---|---|---|
Material | Temperature Range | In. | mm. | Offers Resistance to: |
Neoprene-coated nylon Black (standard material) | –60°F to 250°F. | 0.020 | 0.51 | Vegetable and animal oils, weather, abrasion |
Neoprene-coated nylon Black | –60°F to 250°F. | 0.036 | 0.91 | Vegetable and animal oils, weather, abrasion |
Hypalon-coated nylon Green | –60°F to 250°F. | 0.024 | 0.61 | Vegetable and animal oils, weather, abrasion |
Hypalon-coated nylon Black | –60°F to 250°F. | 0.023 | 0.58 | Vegetable and animal oils, weather, abrasion, ozone, acids |
Silicon-coated fiberglass Red-orange | –100°F to 450°F. | 0.022 | 0.56 | Vegetable and animal oils, weather, abrasion, ozone, acids |
Aluminum-coated fiberglass Silver | –100°F to 500°F | 0.020 | 0.51 | Weld spatter, flame |
Jack Capacity | A - Closed Height for Upright Jack | Max. Travel Without Increasing Closed Height -Upright Type 2** | B- Closed Height for Inverted Jack | C O.D. of Boot | D Collar Diameter | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Type 1 | Type 2 | Type 3 | Type 4 | Type 1 | Type 2 | Type 3 | Type4 | ||||
250/500 Lb. | 4 1/2 | 4 | 4 1/2 | 3 3/4 | 12 | 2 3/4 | 1 5/8 | 2 3/4 | 2 | 3 1/2 | 2 5/16 |
1,000 Lb. | 4 | 4 | 4 | 4 | 12 | 3 | 2 | 3 | 2 1/4 | 3 1/2 | 2 5/16 |
1 Ton | 5 3/8 | 4 1/2 | 5 3/8 | 5 3/8 | 9 | 2 1/2 | 1 15/16 | 2 1/2 | 2 1/2 | 5 | 2 3/4 |
2 Ton | 6 | 5 5/16 | 6 | 6 1/4 | 3 | 2 7/8 | 2 1/16 | 2 7/8 | 3 3/16 | 5 | 3 3/4 |
3 Ton | 5 15/16 | 5 1/4 | 5 15/16 | 6 3/4 | 0 | 2 5/8 | 1 15/16 | 2 5/8 | 3 1/2 | 5 | 3 3/4 |
5 Ton | 7 3/4 | 7 1/19 | 7 3/4 | 8 1/4 | 6 | 3 7/8 | 2 11/16 | 3 7/8 | 4 3/8 | 5 1/2 | 4 3/4 |
10 Ton | 8 | 7 1/4 | 8 | 8 11/16 | 9 | 4 | 2 1/2 | 4 | 4 11/16 | 6 1/2 | 5 3/4 |
15 Ton | 8 3/4 | 8 | 8 3/4 | 9 7/16 | 9 | 4 | 2 1/2 | 4 | 4 11/16 | 6 1/2 | 5 3/4 |
20 Ton | 9 15/16 | 9 1/4 | 9 15/16 | 10 3/4 | 9 | 3 15/16 | 2 1/2 | 3 15/16 | 4 3/4 | 6 1/2 | 6 |
25 Ton | 11 3/8 | 11 | 12 1/4 | 12 3/4 | 9 | 4 1/16 | 2 7/8 | 4 15/16 | 5 7/16 | 8 | 7 1/2 |
30 Ton | 11 15/16 | 11 1/2 | 11 3/16 | 17 1/16 | 21 | 4 15/16 | 4 1/8 | 4 3/16 | 9 11/16 | 8 | 8 1/4 |
35 Ton | 13 5/8 | 12 | 13 5/8 | 13 5/8 | 0 | 6 11/16 | 5 1/16 | 6 11/16 | 6 11/16 | 10 | 8 1/2 |
50 Ton | 18 | 14 3/8 | 18 | 18 | 0 | 10 5/8 | 7 | 8 3/8 | 9 1/8 | 13 | 11 5/8 |
75 Ton | 20 1/2 | 16 1/2 | 20 1/2 | 20 1/2 | 0 | 9 7/8 | 5 13/16 | 7 3/4 | 7 7/8 | 13 | 13 1/2 |
100 Ton | 20 1/4 | 19 | 20 1/4 | 21 1/4 | 0 | 9 7/8 | 6 7/16 | 8 3/8 | 8 7/8 | 14 1/2 | 15 |