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Shaft Seals

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    3868

    3868

    Equal to industry standard 3868 / PS-3868

    Mechanical seal Type 166, T-16;  ¾” shaft size with 1.375″ x .406″ cup seat machined carbon/ceramic/viton

    For Upgrades/variations: 201 (basic), 851 (premium carbon face), 201cv (molded carbon), 201cvss (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
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  • PS-3883 mechanical seal replacement, buy now

    3883

    3883

    Mechanical Seal 3883– Equal to industry standard 3883 / PS-3883

    1-1/4″ – Industry standard G type / John Crane 2100

    1.875″ x .437″ seat, 1.811″ rotary OD, 1.024″ working length

    ***Please note: At Seal House, we have seen this seal in pumps where OEM manual states U109-220 or U90451SS (this is 3883 in viton material). Our standard replacement is 3883, for non chemical applications and temperatures below 220°F . For chemical service or temperatures above 220°F, you need 3883 with viton material, which is equivalent to OEM U90451SS. Please contact us for viton pricing and delivery

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
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    3890c

    3890c

    Equal to industry standard 3890 / PS-3890 / 200CSP

    Spring Spring mechanical seal Type 166 T-16 5/8″ shaft 1.381″/1.375″ x .406″ cup seat nitrile/carbon/ceramic

    For variation: 3890cv(machined carbon)

    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
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    3890cv

    3890cv

    Equal to industry standard 3890v / PS-3890v-cms

    Type 166 T-16 5/8″ shaft 1.381″/1.375″ x .406″ cup seat machined carbon/ceramic/viton

    For variation: 3890c (carbon/ceramic)

    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
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  • PS-3992 mechanical seal buy now!

    3992

    3992

    Mechanical Seal 3992– Equal to industry standard 3992 / PS-3992

    Industry standard G type / John Crane 2100

    2.125″ x .437″ seat, 2.125″ rotary OD, 1.181″ working length

    2100S 38MM ROTARY VIT/CAR ROT ONLY , USE 1-1/2 CUP SEAT VITON

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
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  • ps-4357 , ps-3170 mechanical seal replacement 2100 type G John Crane 2100

    4357

    4357

    Mechanical Seal 4357– Equal to industry standard 4357 / PS-4357

    Industry standard G type / John Crane 2100

    2.75 x .500 seat , 2.598 rotary od , 1.500 working length

    2″ T-2100 EPDM/CARBON/SILICON CARBIDE B&G # P5001889

    Comes with #129 o-ring for sleeve 75 duro (oem seal can have offset center mount o-ring seat, our is L shape o-ring on bottom- same as PS line)

    MODEL(S)VSX-VSC 8.125 4X6X10.5B RHR, 10 HP ;VSX – VSH 10.5 , 6X8X10.5 RHR , 75HP ; VSX-VSC 9.375 , 5X6X10.5B

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
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  • Type n11, C, 1 Mechanical pump Seal - buy now

    446c

    446c

    Item #N/A

    Single Spring Mechanical Seal 446C – Equal to industry standard number 446 / PS-446

    1-3/4″ Single spring mechanical seal with 2.500″ x .500″ cup seat, 2.402″ rotary OD, 1.375″ working length

    Crimped rotary head- similar to industry types such as  C  &  21  while they can also replace type D / 2  seal heads with a simple spring change in most cases (spring from before).

    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
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  • PS-4490 PS-3804 mechanical seal replacement, buy now

    4490

    4490

    Mechanical Seal 4490– Equal to industry standard 4490 / PS-4490

    Industry standard G type / John Crane 2100

    3.375″ x .562″ seat, 3.268″ rotary OD, 1.811″ working length

    VSX series 8×6″ , Sleeve uses  #140 o-ring

    Please click “specifications” below for OEM numbers and Pump Nameplate Data
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    4518c

    4518c

    Item #N/A

    Single Spring Mechanical Seal 4518C – Equal to industry standard number 4518 / PS-4518

    3/4″ Single spring mechanical seal with 1.375″ x .405″ cup seat, 1.197″ rotary OD, 1.375″ 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