FCC Expanders

FCC Expanders

Decades of Experience in Multi-OEM FCC Expander Design, Analysis, Manufacture, Repair, and Service.

RMS’ experienced staff of FCC Expander experts ensures the highest degree of engineering support while offering the rapid response required to facilitate demanding FCC Expander repairs. RMS’ expert engineering team implements industry-leading quality of service from start to finish.


RMS Supports All Types Of FCC Expanders From Every OEM • Engineered Solutions Tailor Made To Your FCC Expander • OEM for the former Siemens Hot Gas FCCU Expander line 


Reblading • Disc Repair • Shaft Refurbishment • Bearing Repair • Casing Repair • Nosecone Repair • Seal Repairs


Reliability • Performance • Improved Materials • Bearings • Low Erosion Blade Redesign • Improved Tie Bolt Design • Enhanced Casing Redesign


Power • Flow • Speed • Supporting System Evaluation


Performance • Structural • Frequency • Failure • Rotordynamic • Vibration • Remaining Life • Metallurgical


  • Complete assembly and disassembly of Axial Compressor rotating and stationary components
  • Full cleaning capabilities with on site blasting On site NDT, MPI, LPI, UT, and RT capabilities
  • Complete quality documentation of services performed
  • Full customer access


  • Spare parts & inventory review and optimization
  • Blades
  • Discs
  • Inner and Outer
  • Casings
  • Bearings
  • Seals
  • Couplings
  • Spare Parts Kit boxes
  • High Temperature Fasteners


  • Decades of experience supporting critical turnaround
  • Facilitate outages both in the shop or in the field
  • Assistance during planning, and execution of critical outage materials
  • Engineering expertise and supervision during outage planning and execution

The RMS Difference

Don Shafer, Director of FCC Expanders, offers over 35 years of rotating equipment engineering experience. Don’s specialization in these critical machines enables RMS to offer superior engineered solutions tailored to your specific FCC Expander.

“The continued growth of the RMS FCC Expander business is confirmation that RMS is the technical leader in FCC Expanders and it demonstrates our customer’s confidence in our FCC Expander expertise and our ability to perform under challenging deadlines and produce high quality reliable expander components
to meet all of our customer’s requirements.”

– Don Shafer – Director of FCC Expander Engineering

Bethlehem Shop
South Houston Shop

Corporate Office
2760 Baglyos Circle
Bethlehem, PA 18020

Tel: 484-821-0702

RMS Pearland Works
14887 Hooper Rd.
Houston, TX 77047


Houston Sales Office
16676 Northchase Dr. Suite 400
Houston, TX 77060


RMS Mepco
11410 Dumas Street
Houston, TX 77034

Tel: 484-821-0702

RMS Breaux Machine Works
13842 Hirschfield Rd.
Tomball, TX 77377

Tel: 484-821-0702

Appleton Eng. & Sales
400 Ahnaip St.         Suite 200
Menasha, WI 54952

Tel: 484-821-0702