Technology and applications
Expander System is an award-winning solution with over two million systems installed since 1985. The design is adaptable for any obstacle, lubrication and application needs. Show us your application and we will help you identify the perfect Expander design.
Nut and Washer
Applications with no obstacles around the pivot joint.
Axle variant | External thread |
Fastener Side 1/Side 2 |
Hex nut / Hex nut |
Obstacles outside lugs Side 1/Side 2 |
No obstacle / No obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 15 mm - (100) mm |
Pin length | < 2000 mm |
Special | Upon request |
Bolt Fastener with Washer
Applications with no obstacles and pivot joints diameters > 38 mm.
Axle variant | Internal thread |
Fastener Side 1/Side 2 |
Hex head bolt / Hex head bolt |
Obstacles outside lugs Side 1/Side 2 |
No obstacle / No obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 38 mm - (160) mm |
Pin length | < 2000 mm |
Special | Upon request |
Bolt Fastener with Recessed Washer
Applications with moving obstacles and a large lug width.
Axle variant | Internal thread |
Fastener Side 1/Side 2 |
Hex head bolt / Hex head bolt |
Obstacles outside lugs Side 1/Side 2 |
Moving obstacle / No obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 38 mm - (160) mm |
Pin length | < 2000 mm |
Special | Upon request |
Through Bolt Design
Applications with space constrains on one side.
Axle variant | Through bolt |
Fastener Side 1/Side 2 |
Hex head through bolt / Flush mount fastener |
Obstacles outside lugs Side 1/Side 2 |
No obstacle / Fixed obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 25 mm - (160) mm |
Pin length | < 500 mm |
Special | Upon request |
Flat head fastener
Applications with moving obstacles and a narrow lug widht.
Axle variant | Internal thread |
Fastener Side 1/Side 2 |
Flush mount fastener + mounting tool / Flush mount fastener + mounting tool |
Obstacles outside lugs Side 1/Side 2 |
Moving obstacle / Moving obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 40 mm - (160) mm |
Pin length | < 2000 mm |
Special | Upon request |
Multi-Bolt Arrangement
Heavy-duty applications and large diameters.
Axle variant | Mulit bolt internal thread |
Fastener Side 1/Side 2 |
Multi hex head bolt / Multi hex head bolt |
Obstacles outside lugs Side 1/Side 2 |
No obstacle / No obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 70 mm - (400) mm |
Pin length | < 2000 mm |
Special | Upon request |
Stepped Pin
With axial locking for hitch pin applications.
Axle variant | Internal thread |
Fastener Side 1/Side 2 |
Hex head bolt / Hex head bolt + spanner nut |
Obstacles outside lugs Side 1/Side 2 |
No obstacle / No obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 38 mm - (160) mm |
Pin length | < 1000 mm |
Special | Upon request |
Offshore Pin
Offshore applications; DNV 2:22/ OS e-101 and AP 8C/ISO 13535 norms.
Axle variant | Internal thread |
Fastener Side 1/Side 2 |
Hex head bolt / Hex head bolt |
Obstacles outside lugs Side 1/Side 2 |
No obstacle / No obstacle |
Greasing of pivot | External or Internal greasing |
Standard pin Φ-range | Φ 20 mm - (400) mm |
Pin length | < 2000 mm |
Special | Upon request |