Website under construction-if an item is not listed, please give us a call at 561-414-1046

GET THE RIGHT PART FOR THE JOB

my cart
0 items

No products in the cart.

checkout
561.414.1046

Single Spring Seal

  • Placeholder

    479c

    479c

    Item #N/A

    Single Spring Mechanical Seal 479 C – Equal to industry standard number 479 / PS-479

    2″ Single spring mechanical seal with 2.750″ x .500″ cup seat, 2.587″ rotary OD, 2.125″ working length

    Crimped rotary head type N-22, equivalent to Pac-Seal T-21 (long w/l) and Burgmann MG9, can replace seal type E & 1

    Electro polished 304SS metal parts.

    Single spring mechanical seal, with an elastomeric bellows, independent of the direction of rotation of the shaft. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.

    Have questions? Check out our Single Spring Seal Guide  or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • Buy PS-4801

    4801

    4801

    Mechanical Seal 4801 — 2-1/2″

    Direct-fit G-Type replacement equal to industry standard 4801 and PS-4801. Built to the 2-1/2″ John Crane 2100 style for reliable, leak-tight performance.

    Standard material build

    • SC / SC / NIT — Silicon Carbide vs. Silicon Carbide faces; Nitrile elastomers
      Durable hard faces for wear resistance; cost-effective Nitrile for general service.

    Seat style

    • Notched O-ring seat — Hydromatic upper configuration
      (Many OEM builds use a carbon rotary—this version is upgraded to SiC/SiC for longer life.)

    Key dimensions

    • Seat: 3.375″ × 0.562″

    • Rotary OD: 3.268″

    • Working length: 1.299″

    Cross-references

    • 4801 / PS-4801

    • Industry standard G-Type / John Crane 2100 (2-1/2?)

    Have questions? Check out our Single Spring Seal Guide  or call us anytime—we’re here to help.

    Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.

    Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • Placeholder

    514c

    514c

    Item #N/A

    Single Spring Mechanical Seal 514C – Equal to industry standard number 514 / PS-514

    Tapered spring for wide base to fit over impeller hub or other similar feature

    1-5/8″ Single spring mechanical seal with 2.37″ x .500″ cup seat, 2.185″ rotary OD, 1.375″ working length

    Crimped rotary head type N-33, equivalent to Pac-Seal T-21 (tapered spring) and Burgmann MG9, can replace seal type D & 2 type seal heads.

    Electro polished 304SS metal parts.

    Single spring mechanical seal, with an elastomeric bellows, independent of the direction of rotation of the shaft. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.

    Have questions? Check out our Single Spring Seal Guide  or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • Placeholder

    516

    516

    Equal to industry standard 516 / PS-516 mechanical seal

    Mechanical seal Type 166, T-16;  5/8” shaft size with 1.25″ x .406″ cup seat machined carbon/cermic/buna

    For Upgrades/variations: 200 (basic), 3867 (premium & viton), 200cv (molded carbon), 200cvss (silicon/silicon/viton)

    Have questions? Check out our Pool/Spa Small Pump Guide or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • Placeholder

    523c

    523c

    Item #N/A

    Single Spring Mechanical Seal 523C – Equal to industry standard number 523 / PS-523

    1-7/8″ Single spring mechanical seal with 2.625″ x .500″ cup seat, 2.520″ rotary OD, 2.125″ working length

    Crimped rotary head type N-22, equivalent to Pac-Seal T-21 (long w/l) and Burgmann MG9, can replace seal type E & 1

    Electro polished 304SS metal parts.

    Single spring mechanical seal, with an elastomeric bellows, independent of the direction of rotation of the shaft. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.

    Have questions? Check out our Single Spring Seal Guide  or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • Placeholder

    537c

    537c

    Item #N/A

    Single Spring Mechanical Seal 537C – Equal to industry standard number 537 / PS-537

    2-1/8″ Single spring mechanical seal with 3.000″ x .562″ cup seat, 2.776″ rotary OD, 2.375″ working length

    Crimped rotary head type N-22, equivalent to Pac-Seal T-21 (long w/l) and Burgmann MG9, can replace seal type E & 1

    Electro polished 304SS metal parts.

    Single spring mechanical seal, with an elastomeric bellows, independent of the direction of rotation of the shaft. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.

    Have questions? Check out our Single Spring Seal Guide  or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • PS-6261 mechanical seal replacement, buy now

    6261

    6261

    Mechanical Seal 6261– Equal to industry standard 6261 / PS-6261

    Industry standard G type / John Crane 2100

    1.875″ x .437″ seat, 1.811″ rotary OD, 1.062″ working length

    BUNA/CAR/CER

    Can use STA-RITE DHH-169 and 13910 BERKELY SLEEVE

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product
  • Placeholder

    680c / 4240c

    680c / 4240c

    Item #N/A

    Mechanical seal Type 166 , 5/8” shaft size with 1.187″ x .288/.296″ cup seat

    Replaces types such as Type 16, G, A, 6, AV, 2100

    • Please note: CAR/CER/NIT. Our carbon face is precision-machined from solid, resin-impregnated carbon stock—not a molded plastic/phenolic face like ps-702 or other equals. The same premium carbon face is used in CAR/CER/VIT, which substitutes Viton elastomers for higher chemical and temperature resistance

    680C / 4240C — Direct-Fit Replacements

    Includes PS-702, PS-4240, PS-4462, PS-518, PS-701, PS-4284.

    CAR/SIC/VIT material is a direct replacement for ps-4284 

    Available in multiple material configurations to match your application (e.g., CAR/CER/VIT, SIC/SIC/VIT faces).

    Not sure which configuration you need?  Call us anytime—we’ll help you choose the right option.

    View Product
  • Placeholder

    745c

    745c

    Item #N/A

    Single Spring Mechanical Seal 745C – Equal to industry standard number 745 / PS-745

    1-5/8″ Single spring mechanical seal with 2.375″ x .500″ cup seat, 2.185″ rotary OD, 2.000″ working length

    Crimped rotary head type N-22, equivalent to Pac-Seal T-21 (long w/l) and Burgmann MG9, can replace seal type E & 1

    Electro polished 304SS metal parts.

    Single spring mechanical seal, with an elastomeric bellows, independent of the direction of rotation of the shaft. Utilized in centrifugal pumps, mixers, rotating equipment, and further apparatus.

    Have questions? Check out our Single Spring Seal Guide  or call us anytime—we’re here to help.

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
    View Product