Technical Guide
11 articles in technical guide
High-Temperature O-Rings: FKM, FFKM, VMQ & PTFE Compared
High-temperature O-ring selection guide. Compare FKM, FFKM, VMQ, PTFE and AFLAS max temperatures, compression set and extreme-heat sealing options.
O-Ring Boss (ORB) & Face Seal (ORFS) Fittings Guide
Complete guide to O-ring boss (ORB) and face seal (ORFS) hydraulic fittings. SAE/ISO standards, sealing principle, O-ring selection and torque specs.
O-Ring Material Types: Elastomer Selection Guide
O-ring material types guide covering elastomer, fluoropolymer and metal seal options. Compare NBR, HNBR, FKM, FFKM, EPDM, VMQ, FVMQ, CR, PU, AFLAS, Butyl and PTFE by temperature, chemical resistance and application.
Parker O-Ring X-Reference: Sizes, Compounds & Equivalents
Parker O-ring cross-reference. Match Parker dash numbers to AS568, decode Parker compounds (N0674, V0747) and find equivalent O-rings.
O-Ring MOQ & Tooling Costs: 1 Piece to Mass...
Understand O-ring minimum order quantities and mold tooling fees. Learn which manufacturing methods require zero tooling, when mold investment is...
Metric vs Inch O-Rings: Can They Be Interchanged?
Engineering guide to O-ring dimensional interchangeability between AS568 (inch), ISO 3601 (metric), and JIS B 2401 standards. Step-by-step...
O-Ring Extrusion: When to Use Backup Rings
Engineering guide to O-ring extrusion failure. Covers the extrusion mechanism, clearance gap calculations by pressure and hardness, backup ring types...
O-Ring Groove Surface Finish Requirements (Ra & Rz)
Engineering guide to O-ring groove surface finish requirements. Covers Ra and Rz definitions and measurement, static vs dynamic surface finish...
O-Ring Lubrication Guide: Lube, Grease & Silicone Grease
Comprehensive guide to O-ring lube, grease and silicone grease for O-rings by elastomer type. Covers safe lubricants including Super Lube, Molykote 55 and Parker Super O-Lube for NBR, FKM, EPDM, VMQ, and FFKM, specific products to avoid, and recommended commercial lubricant products.
Prevent Spiral Failure in Reciprocating Seals
Spiral failure causes leaks and downtime in hydraulic cylinders. Learn the mechanics, diagnostic criteria, groove geometry parameters, lubrication...
Static vs Dynamic O-Ring Design: Groove
Engineering comparison of static and dynamic O-ring seal design. Covers compression rate targets, groove width calculations, hardness selection by...