Technical Resources
Technical articles
API Spec 7HU2: confirm hammer-union identity, seal profile, material, inspection, traceability and applicable edition before an RFQ.
API Spec 7HU2 Hammer Union Seal Production Guide
API Spec 7HU2: confirm hammer-union identity, seal profile, material, inspection, traceability and applicable edition before an RFQ.
Use AS568F dash numbers to identify O-ring size, then confirm material, hardness, application, inspection and RFQ requirements.
AS568 O-Ring Production and RFQ Standard Guide
Use AS568F dash numbers to identify O-ring size, then confirm material, hardness, application, inspection and RFQ requirements.
A practical guide to interpreting compound-specific elastomer test data for oilfield seals, repair kits and custom rubber parts.
How to Read an Elastomer Material Test Report
A practical guide to interpreting compound-specific elastomer test data for oilfield seals, repair kits and custom rubber parts.
AS568 helps identify O-ring size and dash-number context, gland review inputs and the information needed for a technically complete RFQ.
Royal Way AS568 O-Ring Technical Reference
AS568 helps identify O-ring size and dash-number context, gland review inputs and the information needed for a technically complete RFQ.
How to identify a hammer union seal by figure, nominal size, groove, material and backup-ring arrangement before ordering.
Hammer Union Seal Identification Guide
How to identify a hammer union seal by figure, nominal size, groove, material and backup-ring arrangement before ordering.
A practical comparison of NBR, HNBR and FKM for oilfield seal selection, including media, temperature, pressure and application limits.
Oilfield Seal Material Selection: NBR vs HNBR vs FKM
A practical comparison of NBR, HNBR and FKM for oilfield seal selection, including media, temperature, pressure and application limits.