Insights
Practical guides for engineers and buyers on specifying, ordering and moving materials and equipment in the GCC.
API 5L PSL1 vs PSL2: what changes and when to specify PSL2
PSL1 vs PSL2 line pipe: chemistry, strength limits, Charpy testing, traceability and grade suffixes compared, plus when oil and gas projects should specify PSL2.
Read the guideEN 10204 certificates explained: 2.1, 2.2, 3.1 and 3.2
EN 10204 inspection documents 2.1, 2.2, 3.1 and 3.2 explained: who validates them, what a 3.1 mill certificate must show, and when to specify 3.2.
Read the guideA buyer’s guide to ASME B16.5 flanges: types, facings and pressure classes
ASME B16.5 and B16.47 flanges explained: weld neck, slip-on, blind and RTJ types, RF/FF/RTJ facings, Class 150 to 2500 ratings and how to specify a flange.
Read the guideGate, globe, ball, butterfly or check: choosing valves for oil and gas
How to choose gate, globe, ball, butterfly, check and plug valves for oil and gas: what each does best, floating vs trunnion balls, fire-safe and sour service.
Read the guideHow to write a material requisition that gets accurate quotes
What a material requisition needs for accurate, comparable quotes: line-item fields, specifications, certificates, inspection, Incoterms and delivery details.
Read the guideHow to size a generator for a construction site
How to size a site generator: converting kW to kVA, motor starting currents, adding a margin and checking heat derating and 50/60 Hz in the GCC. Worked example.
Read the guideStart a quotation
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