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381C

buy PS-381 PS-978 Pump Seal

381C

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  • DESCRIPTION

    Single Spring Mechanical Seal 381C — 1-1/4″ | PS-381 Equivalent

    Equal to: Industry standard 381 / PS-381 ; can also replace PS-804 & PS-246

    Typical applications: Centrifugal pumps, mixers, and other rotating equipment.

    Key specs: Shaft size: 1-1/4″ single spring seal • Seat: 1.875″ x 0.437″ • Rotary OD: 1.787″ • Working length: 1.062″

    Design & construction:
    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. Tapered spring for wide base to fit over impeller hub or other similar feature. Electro-polished 304 stainless steel metal parts. Elastomeric bellows. Non-directional (independent of shaft rotation).

    Materials available (choose from dropdown)

    • CAR/CER/NIT — Carbon vs. Ceramic faces, Nitrile elastomers

    • CAR/CER/VIT — Carbon vs. Ceramic faces, Viton® elastomers

    • SIC/SIC/VIT — Silicon Carbide vs. Silicon Carbide faces, Viton® elastomers

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

    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  Gaskets.

  • SPECIFICATIONS

    OEM numbers:

    381: 64262-8A , S05649, S20784, S20785 , Westco 2G , S321 , 909-61 , 21181A016 , X2174, X-2429UKY , Q26-79-Y2

    246: U109-220 , 5P395 , Q26-166-Y2

    804: 17-62429-006

    Brands:

    381: BALDOR-RELIANCE (Member of the ABB GROUP) , BERKELEY PUMPS (A PENTAIR Brand) , BURKS® PUMPS (Division of CRANE PUMPS & SYSTEMS) , CARVER PUMP COMPANY , CRANE-DEMING (Division of CRANE PUMPS & SYSTEMS) , FAIRBANKS NIJHUIS , FEDERAL PUMP CORPORATION , GORMAN-RUPP COMPANY , LANCASTER PUMP COMPANY , LEWIS® PUMPS , MYERS, F.E. , WEIL PUMP COMPANY, INC. (Part of WILO USA) , WEINMAN® (Division of CRANE PUMPS & SYSTEMS)

    246: FEDERAL PUMP CORPORATIO , STA-RITE INDUSTRIES , TEEL PUMP , WEINMAN® (Division of CRANE PUMPS & SYSTEMS)

    804: STA-RITE INDUSTRIES , WEIL PUMP COMPANY, INC. (Part of WILO USA)

    Nameplate Data: 

    381: Motor Frame 140 , 2TPKHS, 3TQKHS, 2TQKIS, 3TQKHS, 22TQKHS, 2TRKHS , KN-2H-2L-3N [Type M-909 and M-910]

    246: CC / C Series, D Series [Group A-1G, 1-1/4G, 1-1/2G 1-1/2K, 1-1/2KH, 2G, GB, and KB. Group B-7-1/2. HP & Less at 1750 20 HP & less at 3500 RPM T1-1/2KH, 2K, 2-1/2G, 2-1/2K 3G, 3K, 4GL, and 4G]

    804: CC / C Series, D Series

Disclaimer: Seal House USA provides aftermarket replacement parts. Any OEM names are used strictly for cross-reference. We are an independent supplier.

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