Guides
Choosing a size, reading a part code, fitting it right, and finding the cause of a leak. Written for maintenance crews and buyers.
ChoosingChoosing a seal material by medium and temperatureNBR, FKM, EPDM, VMQ, PTFE: each one fails in its own way. A compatibility table for medium and temperature, plus the two mismatches found most often in the plant.
How-toIncoming inspection of a seal lot: what to check, measure, recordIncoming inspection for sealing products: sample size, the six check items, and the records you keep. Tight enough to protect the line, short enough for the warehouse to run on every delivery.
ChoosingDocuments required when qualifying an oil seal supplierThe minimum document set for putting a supplier of sealing products on the approved list, and why each item exists. Written to what the quality department of an FDI factory normally asks for.
StandardsJIS B2402, DIN 3760, ISO 6194: three designations, one partJapanese equipment, a German drawing, a supplier citing ISO. This guide shows where the three systems agree, where they really differ, and where the designation on a drawing is no longer in force.
StandardsCross-referencing OEM seal part numbers to a local sourceThe drawing gives an NOK number, the stores an SKF number, the local supplier quotes a third. The four steps below settle whether two numbers interchange, and what to check before you open a number.