kNm Hydraulikk as
Norwegian (Bokmål) 

Single-Acting Cylinders - RC

The RC-series Single Acting Cylinders from Enerpac is a series of standard universal cylinders intended for industrial use. The stable footplates provide better cylinder stability.

Contact us on +47 952 51 310 for more information.

5 - 95 TONN


16 - 362 mm


700 bar



  • Trio Bearing system with hardened composite wear bands for optimal side load resistance
  • Strengthened Trio Stop Ring improves durability and side load resistance
  • Trio Hybrid pre-tensioned spring system provides faster retraction
  • High-grade polyethylene seals for low wear and long service life
  • Plunger wiper reduces contamination, extending cylinder life.
  • Collar and plunger threads and base mounting holes enable easy fixturing (on most models)
  • Standard certified lifting eyes on cylinder models above 25 kg weight. Interchangeable with optional CHM6 carrying handle
  • Designed for use in all positions
  • Baked enamel finish for increased corrosion resistance
  • Includes CR400 coupler, dust cap and collar thread protector

Our employees have experience in the following areas:

Technical Sales

Technical Sales

The employees at kNm Hydraulikk are committed to delivering fast, accurate and safe solutions to our customers. We specialize in developing tailor-made solutions for our clients.


kNm Hydraulikk has an extensive selection of tools available in our rental park. We offer products for rental that can facilitate work within torque, tension, flanges, subsea bolt tightening and HSE products that prevent falling objects and crush injuries.
Design & Planning

Design & Planning

Some applications are more challenging than others. For example, there may be access problems with standard equipment. In such cases, the R&D department at kNm Hydraulikk can help you with tailor-made solutions.
Engineering Services

Engineering Services

kNm Hydraulikk have advisors that can assist in the calculation of bolted connections as well as the methods one should use.


All torque tools need to undergo periodic calibration to ensure optimal performance. kNm Hydraulikk calibrates tools according to current standards.
Enerpac Services

Enerpac Services

kNm Hydraulikk is an authorized Enerpac Service Center. We maintain our status through a regulated review process conducted by Enerpac.


Bolt tightening with the right equipment and torque prevents future leaks in flanges and mechanical connections. The right torque is crucial for optimal results.


kNm Hydraulikk offer courses in flange work acording to NS-EN 1591-4 (formerly known as Norwegian Oil and Gas and OLF Guideline 118). The course provides knowledge in preparation, planning, execution, and documentation of work on bolt tensioning of flange connections on pressurized systems.


Accurate tension of bolted connections requires knowledge and experience. Our products have patented solutions that combine both speed and accuracy.


Quality is our trademark, and our proof is our satisfied customers. kNm Hydraulikk holds its subcontractors and their products to a very high standard. We manufacture our equipment in the US, UK, Sweden, and Germany.