When the OEM discontinued it, you never had a part number, or you only need a small quantity no factory will quote — we cross-reference across John Crane · EagleBurgmann · Flowserve · AESSEAL and match a China equivalent from our private library. No part number? Send a photo + key dimensions; we match it remotely, no broken-seal shipping.
A growing private index of matched China equivalents. Pick your OEM model — each opens a one-page equivalent guide with specs, the option we source, and lead-time notes. No number? Use the form below.
Single cartridge for ANSI B73.1M process pumps. We source Trisun SC-J01 (written MOQ 1–2 pcs) and similar China-built alternatives.
View equivalent →Widely used rubber-bellows single seal. Cross-references to Burgmann MG1/MG12, Flowserve 192, AESSEAL P04.
View equivalent →Standard rubber-bellows single seal for plain shafts. Cross-references to John Crane Type 1/21, Flowserve 190/192.
View equivalent →Common dash sizes, NBR / FKM / FFKM (incl. Kalrez-equivalent). Light, air-freight friendly.
View sizes →Equivalents are matched by size and function, sourced from ISO 9001-certified partner plants via our coordination. Send your model →
Three steps. You send specs; our partner-factory application engineers do the matching.
OEM model number, or a photo + 4 key dimensions (shaft Ø, seat OD, length, elastomer). No broken part to ship.
Factory AEs cross-reference across brands and return one confirmed equivalent with specs — not 50 "maybe" listings.
Quoted upfront, made-to-order, typically 4–6 weeks to NA/EU (production + air freight). Trial quantities welcome; mismatch → replace / refund.
Have an OEM model? Send it for cross-reference. No part number? Send a photo + the key dimensions — we match it remotely to a matched China equivalent, no broken-seal shipping needed. Mechanical or rubber.