Technical support
Model, pipe dimensions, design and installation conditions
Open ↗CUSTOMER CENTER
FAQ
Fitting selection, specification, documentation and quotation guidance.
Frequently asked questions
How do I select KS or ANSI dimensions?
For butt-weld fittings, select the KS or ANSI button beside the product. For grooved couplings, match the model to the actual pipe outside diameter. Similar nominal sizes can have different outside diameters.
Can I request a quote for a specific table row?
Select Inquire beside a specification row to carry the product and row values into the inquiry form. Add quantities, project conditions and the required schedule.
Where can I find certificates, test reports and installation documents?
Use the customer-center links below to download public editions. Check the covered model, size, issue date and scope. Request current project-specific documents when required for submittal.
Contact us
Contact the division for technical and purchasing support
Open ↗Request a quote
Submit the product, specification and quantity
Open ↗After-sales support
Installed model, condition and site photographs
Open ↗Certificates
Check the covered models, sizes and approval scope
Open ↗Test reports
Review test specimens, conditions and results
Open ↗Product & installation videos
Model-specific films and installation references
Open ↗Contact
sean7001@ajs.co.krInclude the product and application conditions for review by the relevant division.