Mechanical Seals

Fluid Sealing Product Line

Mechanical Seals

  • Complete line of cartridge & assembly style mechanical seals
  •  Repair facility for all major mechanical seal brands
  •  Mechanical seal failure analysis & reverse engineering capabilities

Industrial Mixer / Reactor / Agitator Seals

  • All makes & models repaired including NETZSCH, Chemineer, Lightnin, Sharpe to name a few
  •  We can upgrade materials of construction to increase seal run cycles
  •  Reverse engineer worn out parts
  • We can turn around any Mixer, Reactor, Agitator seal overhaul faster than any other seal company

Industrial Compressor Seals

  • All makes & models of compressor seals repaired including Mycom, Howden, Frick and FES GEA to name a few
  • Failure analysis / reverse engineering capabilities

Mechanical Packing

  • Enviropak non asbestos pump & valve packings available
  • Live load & die formed rings
  •  Carbon / Bronze / Teflon Bushings


  • Enviropak non asbestos pre-cut or full sheets
  • Diaphragm, vegetable fiber & rubber sheet
  • Jointex expanded 100% Pure Virgin PFE
  • Spiral Wound Graphite Shee

Heat Resistant Textiles

  • Thermofab non asbestos textiles
  •  Available in Cloth, Rope, Tape & Sleeving
  • (Manhole & Handhole)

Mechanical Seal for Pumps

ANSI Pump Mechanical Seals

Robco will manufacture an assembly style or cartridge style mechanical seal to fit your pumping system be it centrifugal, positive displacement, progressive cavity, or a sanitary pump. Horizontal, vertical, end suction, split case or volute style. Robco will seal it. Quickly and efficiently.

Mechanical Seal Repair

Mechanical Seal Repair

We can repair any make or style of Mechanical Seal as well as Rotary Union seals. Robco's staff thoroughly inspect all repairable seals and will provide inspection reports with pictures when requested. Is it time to convert from packing to a Mechanical Seal? Save up to 30% amprage draw on your motor.

Mixer, Agitator, Reactor & Screw Pump Repair

Mixer, Agitator, Reactor & Beadmill Seal Repair

Robco will service & overhaul all makes and models of Reactors, Mixers or Agitator seals including but not limited to: Lightnin, Netschz, Chemineer, Sharpe & Philiadelphia. Robco will provide a detailed DCI {disassemble, clean, inspect} report with pictures before any repair work is authorized by our customer. We will make recommendations on materials of construction and bearings to significantly increase your unit run cycles. All new or repaired seals are pressured tested in house prior to shipment.

Mechanical Seal

Custom Mechanical Seals

Robco custom builds extremely reliable Mechanical Seals that can dramatically increase the operating hours of your rotating equipment. Our top notch Application Engineering Group designs Mechanical Seals to your specific requirements. Our Seals are manufactured, assembled and tested in America.

Mechanical Seal

Custom Engineering

Use Robco engineered critical components to increase your system MTBF {meantime between failures} for your pumps, mixers, dryers, compressors, centrifuges, agitators, beadmills, boiler feed water systems, sanitary systems, potable or treated water systems.

Pick-Up & Delivery

Pick-Up & Delivery

At Robco of Amercia we provide pick-up and delivery services to customers located in Houston, Baytown, Deer Park, Galveston, Pasadena, the Port of Houston and surrounding areas. If OEM says part is obsolete then send it in to Robco for repair. Every repair we carry out includes a complete failure report with digital images. Call us right now for more information: 1-800-662-0585. Robco is available 24/7.

Robco of America

Engineered Sealing Solutions - Robco of America, since 1923, has provided excellent alternatives to OEM products along with reliable Fluid Sealing Solutions to U.S. industries. Robco manufactures and repairs cartridge seals and assembly seals for Pumps, Mixers, Agitators and Bead Mills including Lightnin Mixers nationally and internationally. Robco's Mechanical Seals, Mechanical Packing and Gaskets perform optimally in the harshest of environments.

Robco has been the exclusive manufacturer of the Nutech line of cartridge mechanical seals for Dixie Packing and Seal Company in Nashville TN.

Robco employees have enjoyed 100% medical insurance premiums paid for by the company since 1994. Robco management believes that the way it should be in America.


Contact Robco of America right now if you need emergency mechanical seal repair. We provide quick response service.