Single Spring Mechanical Seal 3804| PS-3804 Equivalent

Direct-fit G-Type replacement equal to industry standard 3804 / PS-3804. Designed to the John Crane 2100 style for reliable, leak-tight performance.

Key specs: • Shaft size: 2-1/2″ single spring seal • Seat: 3.375″ x .562″ • Rotary OD: 3.268″ • Working length: 1.811″

Material build: Carbon/Silicon Carbide/EPDM

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

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

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