The guides we wish every tender attached
Standards explainers, materials decoders, selection guides and procurement playbooks written for working engineers — exact designations, honest trade-offs, no marketing.
MTC 3.1 vs 3.2 — Which Material Test Certificate Do You Need?
EN 10204 certificate types explained: 2.1, 2.2, 3.1 and 3.2 — who validates each, what a valid 3.1 must contain, and when a project genuinely needs 3.2.
Read guideNACE MR0175 / ISO 15156: Valve Requirements for Sour Service
What NACE MR0175/ISO 15156 controls in sour-service valves — H₂S thresholds, 22 HRC hardness limits, bolting and trim scope, PO wording and documentation.
Read guideFire-Safe Valves: API 607 vs API 6FA Certification Explained
How API 607 and API 6FA fire tests differ, what the 30-minute burn actually proves, fire-safe design vs fire-tested, and when to demand type-test certificates.
Read guideWhat is IBR Form III-C and When Do You Need It?
The certificate that decides whether your valves can go on boiler-connected steam lines in India — who issues it, when it applies, how to procure against it.
Read guideSend your spec. Get a compliant offer.
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