Can't get that seal from the OEM — discontinued, no stock at the distributor, or you only need one or two pieces? We keep a growing private index of matched China equivalents across John Crane · EagleBurgmann · Flowserve · AESSEAL and AS568 O-rings. Pick your OEM model below; each opens a one-page equivalent guide.
Each card links to a dedicated page with specs, the equivalent option(s) we can source, and lead-time notes. Equivalents are sourced via our coordination from ISO 9001-certified partner plants — we are a sourcing coordinator, not a manufacturer.
Single cartridge mechanical seal. Common in pumps, water treatment, general industry. We source the Trisun SC-J01 equivalent and similar China-built alternatives.
View equivalent →Standard rubber-bellows single seal for plain shafts. Cross-references to John Crane Type 1/Type 21, Flowserve Pac-Seal 190/192, AESSEAL B02/B09U.
View equivalent →The most widely used rubber-bellows single seal. Cross-references to Burgmann MG1/MG12, Flowserve Pac-Seal 21/110/192, AESSEAL P04, Vulcan 11.
View equivalent →The most-requested general-purpose rubber-bellows seal. Cross-references to Burgmann MG1, Flowserve PAC-Seal 21/190, Chesterton 110.
View equivalent →Wave-spring pusher single seal. Cross-references to John Crane Type 8-1, Flowserve 140/155, Chesterton 491.
View equivalent →Multi-spring balanced seal for Alfa Laval / Vulcan Type 91 sanitary pumps (LKH series).
View equivalent →Chemical-pump equivalent family (58U / BT-C5 / KB). For non-hazardous chemical service with material-compatibility confirmation.
See family notes →Light, air-freight friendly, fast. One page per common dash number with size, compound options and applications.
Dash -014, cross-section 1.78 mm (Series 000). One of the most quoted sizes. NBR / FKM / FFKM compound options.
View size & compounds →Dash -112, cross-section 2.62 mm (Series 100). High-frequency inquiry size across industries.
View size & compounds →Send the OEM number (or a photo + 4 dimensions for un-numbered seals) and we return the equivalent + quote.