Our ATEX-compliant K series right-angle gear units combine high cost-effectiveness with explosion protection thanks to their wear-free gearing and high efficiency.
Save energy the easy way: even in potentially explosive atmospheres
You want a drive solution that can be installed in a small space? One that provides reliable motion in potentially explosive atmospheres?
Then we recommend our explosion-proof helical-bevel gear units in equipment categorie II2GD. These right-angle gear units have torques from 200 Nm to
With their high efficiency in both directions of torque and at any input speed, they are also very energy-efficient. Their high-endurance gearing is wear-free and lasts a gear unit’s lifetime. For precise positioning tasks, you can use the K series explosion-proof gear units with reduced backlash.
A long, maintenance-free service life enhances this economy and efficiency. That’s why the K series is used in so many applications in potentially explosive atmospheres. Worldwide!
Only half the solution without a motor? Then use our sophisticated modular concept and combine the explosion-proof gear units of the K series with the explosion-proof motor of your choice.
Your benefits
-
More energy efficiency
due to the high efficiency degree in both directions of torque and at any input speed. -
More cost efficiency
over the entire service life due to wear-free gearing and a long, maintenance-free operating life. -
High performance
in a compact design, available in 12 sizes with torque ratings from 200 Nm to 50,000 Nm.
Features
Sizes K..37 to K..187, explosion-proof (three stages)
- Gear units comply with Directive 94/9/EC (ATEX), or as of April 20, 2016 of the EU Directive 2014/34/EU (ATEX), equipment group II, categorie 2, variant II2GD
- For use on the European market
- Accepted in China
- Accepted in Russia in combination with EAC certificates (formerly GOST-R)
- Certified protection types:
- Protection type “c”: Protected by safe construction (design safety), EN13463-1 and -5
- Protection type “k”: Protected by liquid immersion, EN13463-1 and -8
- Standardized robust covers as shrink disk covers on the gear unit
- All screws are secured against automatic loosening
- Gear unit has a separate nameplate
- High-quality oil seals
- Lubricant can withstand high temperatures
- High efficiency
- Gearing with high fatigue strength
- Long, maintenance-free operating life
- Available variants:
- Foot- or flange-mounted
- B5 or B14 flange-mounted
- Solid or hollow shaft
- Hollow shaft with keyed connection, shrink disk, splined hollow shaft, or TorqLOC®
- Double gear units for very low output speeds also available
- Reduced backlash variant
Technical data
K series (three stages) / sizes 37 / 47 / 57 / 67 / 77 / 87 / 97 / 107 / 127 / 157 / 167 / 187
| Gear unit ratio | i | 3.98 – 197.37 |
|---|---|---|
| Gear unit ratio – double gear units | i | 94 – 32,625 |
| Max. output torque | Nm | 200 – 50,000 |
| Motor power range (Mounting via AM motor adapter) | kW | 0.12 – 200 |
Areas of application
- Applications in potentially explosive atmospheres with air/gas or air/dust mixtures according to Directive 94/9/EC (ATEX), or as of April 20, 2016 of the EU Directive 2014/34/EU (ATEX)
- Applications with equipment categories II2GD
- Use with air mixtures
- With gases (G): in zones 1 and 2
- With dusts (D): in zones 21 and 22
- Examples:
- Pallet conveyors
- Belt conveyors
- Chain conveyors
- Hoists and lifting stations
- Freight elevators
- Travel and lifting drives in stacker cranes
