Montana Seals and Packings

Montana Seals and Packings, a DNOW Company, is a regional expert offering mechanical seals, seal systems, pumps, pump packings, valves, seal repairs, pump repairs and product training. We sell equipment into all industries, including oil & gas, power, chemical, pharmaceutical, water and general industrial.

Montana Seals and Packings logo - Montana Seals and Packings offers mechanical seals, seal systems, pumps, seal repairs, pump repairs and training

Your Sealing Specialists

Established in 1976, Montana Seals and Packings has been providing quality products and service to Montana, Wyoming, North Dakota and South Dakota customers for over 47 years. We contribute our years of success to our ability to supply our customers with the products, service and knowledge they need to improve up-time and increase reliability with their plant equipment. Our state-of-the-art seal repair services, highly knowledgeable staff and our ability to react quickly and efficiently to customer needs and emergencies sets us apart from our competitors - Montana Seals and Packings are THE sealing specialists.

Montana Seals and Packings Product Lines

We carry a wide range of seals, seal accessories, pumps, packings and valves from trusted manufacturers. These partnerships ensure quick turnaround on your new equipment and parts, as well as reduced downtime and maintenance costs for your rotating equipment

Flowserve authorized distributor logo
Inpro/Seal logo
Summit Pump Inc. logo

Mechanical Seals and Seal Systems

Montana Seals and Packings is the only licensed Flowserve seal distributor in the Montana, Wyoming, North Dakota and South Dakota territories. Along with our superior service and knowledge, we provide sealing solutions for the improvement of all your rotating equipment operations:

  • Pusher seals
  • Metal bellows seals
  • Standard cartridge seals (ANSI)
  • Slurry seals
  • Mixer seals
  • OEM and special duty seals
  • Compressor seals and systems
  • Gas barrier and containment seals
  • Seal support systems
  • Seal accessories
Flowserve pusher seals from Montana Seals and Packings

Pumps and Pump Packings

Montana Seals and Packings stocks and sells high-quality pumps, pump parts and accessories for a variety of applications.

  • Chemical injection pumps
  • Metering pumps and pump controllers
  • ANSI pumps
  • Process pumps
  • Vertical turbine pumps
  • Pump parts and accessories
  • Pressure gauges, flow meters and transmitters

We also carry a full line of superior quality packings for many different applications. Our knowledgeable staff can help you decide on a packing type based on your specific process conditions.


We are proud to offer industry-recognized ball valve lines from Flowserve. We stock a large quantity of standard valve sizes and models, allowing us to meet your needs quickly and efficiently. Contact us today for a proposal for your next project.

  • 3-piece floating ball valves
  • Trunnion ball valves
  • Top-entry and end-entry ball valves
  • Fire-safe valves (API 607 / ASME B16.34)
  • Bubble tight high-performance valves
  • Severe service valves
  • Cryogenic valves
  • Fugitive emissions valves
  • Manual, pneumatic or electric valve actuators

Repair Services

Mechanical Seal Repairs

Montana Seals and Packings features the only licensed and fully functional mechanical seal repair facility in the Montana, Wyoming, North Dakota and South Dakota territories. Our state-of-the-art amenities and inventory of common spare parts allow us to repair both ANSI and API seals of any and all seal manufacturers.

Our facility includes three lapping tables capable of lapping multiple seal faces manufactured from a range of popular materials:

  • Silicon carbide
  • Tungsten carbide
  • Ni-resist
  • Stainless steel
  • Bronze
  • Stellite

After lapping is complete, each seal face is checked and verified to industry standard light band flatness. Our repair capabilities allow us to keep repair costs to a minimum and bring down the average time to repair, further reducing your equipment downtime.

Montana Seals and Packings seal repair facilities with lapping tables

Pump Repairs

Our full-service quality pump repair and machine shop, located in our new 9,000 sq. ft. facility in Billings, Montana, offers superior quality rebuilds, fabrication and machining. With over 75 years of combined experience in machining and pump repair, The Pump Shack expands our capabilities to support all your fluid management needs, while still offering the service you have come to expect.

Montana Seals and Packings Pump Shack full-service pump repairs

Training Services

Pump Training

Attendees of our pump training will review the basics of pump operation and maintenance, including the following:

  • Pump curves
  • Hydraulics
  • Pump types (ANSI and API)
  • Pump systems
  • Materials selection
  • Pump tear-down, troubleshooting and reassembly
  • Real-world pump scenarios (cavitation, dead-head operation, etc.)

Seal Training

Attendees of our seal training will review the basics of sealing technology, including the following:

  • History of seal technology
  • Seal applications
  • New seal technologies available
  • Seal failure analysis
  • Review seal prints
  • Materials selection
  • API flush plans
Montana Seals and Packings training classroom for mechanical seals and pumps

Contact Montana Seals and Packings

We are dedicated to serving our customers in Montana, Wyoming, North Dakota and South Dakota. If you would like to inquire about any of our products or services – mechanical seals, seal repairs, pumps, pump repairs, pump packings, valves, pump training or seal training – please contact us directly or leave us a note using the form below. Thanks!

Centennial (Colorado Seals)

Billings (Montana Seals and Packings)