235c
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DESCRIPTION
Single Spring Mechanical Seal 235C — 1″ | PS-235 Equivalent
Equal to: Industry standard 235 / PS-235
Typical applications: Centrifugal pumps, mixers, and other rotating equipment.
Key specs: Shaft size: 1″ single spring seal • Seat: 1.625″ x 0.437″ cup • Rotary OD: 1.547″ • Working length: 1.ooo”
Design & construction:
Crimped rotary head (Type N-11)—similar to industry Type C / 21; can also replace Type D / 2 with a simple spring change (in most cases). Electro-polished 304 stainless steel metal parts. Elastomeric bellows. Non-directional (independent of shaft rotation).Materials available (choose from dropdown)
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CAR/CER/NIT — Carbon vs. Ceramic faces, Nitrile elastomers
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CAR/CER/VIT — Carbon vs. Ceramic faces, Viton/FKM elastomers
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SIC/SIC/VIT — Silicon Carbide vs. Silicon Carbide faces, Viton/FKM 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.
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SPECIFICATIONS
OEM numbers:
235 CAR/CER/NIT: 925-7526 , 180011 , 466-137-1 , CC-10901 , 6N-4743 , 6N-9313 , D-97 , 0030878 , M-4292-B , 180011 , CND-1726D , 1726O , LV411900X01 , 10129906 , S1832 , S1906 , 10K12 , 84001-2 , 84001-12 , 25D-G444 , 1001-02-20-00 , R-79205 , 47046 , 3000001 , 10-504, 10-1299-06 , 32315 , SL-7735 , 18004-30090 , 003000001 , 8304-111 , G14-338X , 16504 , 13-690-0710
235 CAR/CER/VIT: 21-098-16 , 84001-10 , 003000011 , 32372
235 SIC/SIC/VIT: 84001-14 , 003000041 , 003000051
Brands: AQUA-CHEM, INC. , ARBEE CORPORATION , BELL & GOSSETT (A XYLEM Brand) , BSM PUMP CORPORATION , BUFFALO PUMPS , CATERPILLAR, INC. . CHALLENGE MFG. COMPANY , CRANE-DEMING (Division of CRANE PUMPS & SYSTEMS) , CRANE PUMPS & SYSTEMS , DOMESTIC PUMP , FAIRBANKS NIJHUIS , FRANKLIN ELECTRIC COMPANY, INC. , GORMAN-RUPP COMPANY , GOULDS PUMPS , GUSHER PUMPS , HALE PRODUCTS, INC. , HOBART CORPORATION – (Dishwashers / Disposals) , HOMELITE CORPORATION
Brands CAR/CER/VIT only: ACE PUMP CORPORATION
Pump Nameplate Data: BPL , BPM , BPO , 20FD 106434
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PHYSICAL PROPERTIES
T-N11/N22 Seal Heads
Our T-N11/N22 type seal heads are designed with a reduced outer diameter, making them fully compatible with ANSI seal chamber dimensions. The rotary portion of our seal is typically smaller than the stationary seat, and can fit straight box bores where many other seals cannot.
These seals are direct replacements for industry-standard C / 21 models.
Note: The N11/N22 seal designs max shaft size is 2.25″. For larger shafts, please refer to our other seal types.
Have questions? Call us anytime—we’re here to help.



