SITEMA Satisfies OSHA Requirements
SITEMA safety catchers have been evaluated according to OSHA Directive CPL 02-01-043. OSHA has determined that the SITEMA safety catcher meets all of the requirements of the directive.

Download installation and maintenance manuals, order spare parts, and find tutorial videos to help with your chip conveyor installation and operation.
Download installation and maintenance manuals, order spare parts, and find tutorial videos to help with your chip conveyor installation and operation.
Hennig Power Protection is a dedicated division specializing in custom-engineered generator enclosures, fuel systems, and power infrastructure for mission-critical applications across data centers, healthcare, telecommunications, and industrial facilities.
Precision machining, fabrication & welding services from our Rockford, IL facility. Complete manufacturing solutions with ISO-certified quality.
Precision machining for turbine...
Pallet delivery, robotic tending & software for lights-out production
CNC machining centers, lathes, grinders & multi-axis equipment
Safety systems & rod locks for hydraulic & mechanical presses
Hydraulic clamp disks provide friction-locked, backlash-free shaft-hub connections in a compact, maintenance-friendly design. These versatile components ensure uniform force distribution and high torque transmission, making them ideal for dynamic applications in machinery and automation. The unique construction offers easy assembly and disassembly, contributing to reduced downtime and increased efficiency across a wide range of industrial settings.
| Product ID | 3D CAD | Buy Online | øD | øD [h8] Bore Diameter | Area | Assembly Tool Number | Clamp Force @ 1000 | |
|---|---|---|---|---|---|---|---|---|
| ACD 16 | 0.630 in (16 mm) | .630/.631 in | .312 in² (201 mm²) | ACDT-16 | 300 lbf (1.3 kN) | |||
| ACD 22 | 0.866 in (22 mm) | .866/.867 in | .589 in² (380 mm²) | ACDT-22 | 560 lbf (2.5 kN) | |||
| ACD 28 | 1.102 in (28 mm) | 1.102/1.103 in | .955 in² (616 mm²) | ACDT-28 | 910 lbf (4.0 kN) | |||
| ACD 32 | 1.260 in (32 mm) | 1.260/1.261 in | 1.25 in² (804 mm²) | ACDT-32 | 1,200 lbf (5.3 kN) | |||
| ACD 42 | 1.654 in (42 mm) | 1.654/1.655 in | 2.15 in² (1,385 mm²) | ACDT-42 | 2,100 lbf (9.3 kN) | |||
| ACD 52 | 2.047 in (52 mm) | 2.047/2.049 in | 3.29 in² (2,2124 mm²) | ACDT-52 | 3,200 lbf (14.2 kN) | |||
| ACD 64 | 2.520 in (64 mm) | 2.520/2.522 in | 4.99 in² (3,217 mm²) | ACDT-64 | 4,800 lbf (21.4 kN) | |||
| ACD 75 | 2.953 in (75 mm) | 2.953/2.955 in | 6.85 in² (4,418 mm²) | ACDT-75 | 6,500 lbf (28.9 kN) |
Each model below is routed to the best next step based on availability.
SITEMA safety catchers have been evaluated according to OSHA Directive CPL 02-01-043. OSHA has determined that the SITEMA safety catcher meets all of the requirements of the directive.
When it comes to reliable and safe machine operation in severe environments, having the right components makes a significant difference. That's why we are excited to introduce the RCHX Exclusion Series Rod Lock — a hydraulically driven rod lock designed specifically for harsh conditions and submersible applications. This latest innovation is a modified version of the original AMLOK RCH Rod Lock, re-engineered to withstand the most demanding applications.
In the world of modern automation, there's a clear shift toward fully electric systems. Learn about the new electric safety brake from Sitema.
Both Hennig and its sister company, Advanced Machine & Engineering, now operate under the Hennig brand.
Same team. Same products. Same company. Different look.
Unifying the two brands under one name clarifies our offerings and makes them easier for you to navigate — one website, one team, one trusted partner.