Mechanical Seals

From BW Seals® to Pac-Seal® to Durametallic® to Five Star Seal® to Pacific Wietz™ to GASPAC®, Tri-State Packing Supply, Inc. is your source for Mechanical Seals.

As an authorized distributor of Flowserve Flow Solutions Division (Mechanical Seals) for Northern New England, we are able to provide a wide range of technologically advanced products and services designed to improve the reliability of pumps, compressors, mixers and other rotating equipment.

Some of our products include:

Tri-State Packing Supply, Inc. offers a number of different services for your mechanical seals including:

  • Seal Repair/Rebuilding
  • Seal Failure Analysis
  • Seal Face Re-Lapping
  • Seal Installation/Removal

For more details, visit our Machine Shop page or contact us to learn more about Mechanical Seals. If you don’t find the Flowserve Seal that fits your application, please click here for more Seal designs.

For more details, visit our Machine Shop page or contact us to learn more about Mechanical Seals. If you don’t find the Flowserve Seal that fits your application, please click here for more Seal designs.

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  • Component Seals

    Severe Duty Seal: Type 21/31 The Pac Seal Type 21 features a unique design – the crimped head and hex-torque drive system – to provide superior performance and make it the non-generic choice. Type 31 is the Pac Seal designation for a type 21 with hard face combinations for severe duty applications, featuring the same […]

  • Double Cartridge Seals

    80 Series Dual Pusher Cartridge Seal These hydraulically balanced dual pusher cartridge seals are perfect for general chemical, pulp and paper, and municipal applications. The flexibly mounted mating ring and robust rotary faces improve reliability, when compared to other less forgiving seal designs. The seal is designed for both pressurized or non-pressurized barrier applications. The […]

  • Gas Lift-Off Seals

    GF-200 The GF-200 is a dual pressurized gas barrier seal utilizing APGS non-contacting seal face technology. Patented LoDrag O-ring design provides optimum face tracking with a wide variety of material options. Inert barrier gas eliminates process contamination, reduces power consumption, and provides zero process emissions in hazardous services. 500 psi / 34.5 bar Download GF-200 […]

  • Metal Bellow Seals

    X-100 Single Bellows Cartridge Seal The single welded metal bellows seal is packaged in a simple cartridge design. Rotating bellows module resists clogging and is made with various high alloy leaflet metallurgies, including Alloy C-276 for excellent chemical compatibility. Sharing the same gland as the X-200 dual seal, an optional throttle bushing is available for […]

  • Bio-Tech Seals

    VRA Single Outside Cartridge Seal These outside balanced seals are designed to operate under relatively high pressures and low speeds. Single, outside, dry-running pusher seal designed specifically for use in top-entry agitator/mixer services. This seal’s heavy-duty construction accommodates a combined out-of-concentricity and eccentricity of 0.150″ TIR (3.8mm). The contacting dry-running design eliminates need for buffer […]

  • Single Cartridge Seals

      QBU The QBU groove seal is a single pusher seal designed specifically for hot water services where cooling water is not available. Pre-engineered for moderate pressure boiler feed and boiler circulation pumps with higher reliability and longer life than conventional seals. View QB Brochure Here RO A simple, proven and rugged design with dependability […]

  • Split Seals

    PSS III The PSS III is the ultimate semi cartridge split seal for pumps and mixer applications. The improved design makes installation easy while capable of high-pressure operation; while the four-piece unitized design allows for one-person installation capability. All components are self-contained, eliminating equipment measurements, small parts handling, and the potential for lost parts. The […]

  • Standard Cartridge Seals

    ISC2-STANDARD CARTRIDGE SEALS Standards: API682, ASME (ANSI), DIN24960, ISO The ISC2 Series is a complete family of mechanical seals that provide exceptional reliability and standardization over the widest variety of industrial applications and equipment. ISC2 seals meet all major international standards and are designed for literally hundreds of pump models from global manufacturers. Facilities that […]