Single Spring Mechanical Seal 514C — 1-5/8″ | PS-514 Equivalent

Equal to: Industry standard 514 / PS-514

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

Key specs: Shaft size: 1-5/8″ single spring seal • Seat: 2.37″ x 0.500″ • Rotary OD: 2.185″ • Working length: 1.375″

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.