Flanges
Flange types and when to use each one
Weld neck, slip-on, blind, socket weld, threaded and lap joint flanges compared: strengths, limits and where each earns its place in a piping system.
Tag
Buying guide
Articles tagged Buying guide.
Materials & Standards
Pipe schedules explained and how to match fitting wall thickness
NPS, schedule, STD, XS and XXS decoded. Learn how ASME B36.10M and B36.19M set wall thickness and how to match fittings to pipe without a mismatch.
Materials & Standards
What an EN 10204 3.1 mill test certificate tells you
A 3.1 certificate links your fittings to a heat of steel. See what it contains, how it differs from 2.2 and 3.2, and how to check one before accepting material.
Engineering Guides
Choosing and specifying steel gratings for plant platforms
Bearing bar size, pitch, span, finish and fixing: a practical guide to specifying welded steel bar grating for platforms, walkways and trench covers.
Procurement
How to write a complete RFQ for fittings and flanges
The details that get you an accurate quote the first time: size, schedule, grade, standard, facing, certificates, quantity and delivery. A buyer checklist.