תובנות
מאמרים טכניים, השוואות תקנים, מקרי בוחן של פרויקטים ומדריכי רכישה בנושא רכיבי צנרת בלחץ, אוגנים ואביזרים מחושלים.
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שלח RFQ112 מאמרים· מדריך קנייה
מדריך קנייהA practical guide for EPC buyers and inspectors on export packing of pipe fittings, covering ASTM D3951, CTU Code, corrosion protection, and a pre-shipment checklist.
מדריך קנייהSpecifying duplex stainless fittings requires more than grade and size. This guide explains ASTM A815 fitting classes, ASTM A923 intermetallic phase testing, and the RFQ details EPC buyers must define to avoid costly mismatches.
מדריך קנייהVerifying NDT personnel certificates is more than checking a name and expiry date. This guide explains the key elements—method, level, sector, and scope—and highlights the differences between ISO 9712, ASNT 9712, ASNT NDT, and employer-based SNT-TC-1A certifications.
מדריך קנייהA practical guide for EPC engineers and procurement managers on reviewing welding procedure specifications (WPS), procedure qualification records (PQR), and welder certificates, with key checks and common pitfalls.
מדריך קנייהChoosing between metallic and nonmetallic flange gaskets requires more than a quick comparison. This guide explains the ASME standards that govern each family, the critical factors to evaluate, and the procurement checks that prevent costly joint failures.
מדריך קנייהA practical checklist for EPC engineers and procurement managers to verify ASME PCC-1 compliance in bolted flange joint assembly, covering procedures, training, and documentation.
מדריך קנייהA practical RFQ checklist for ASME B16.49 induction bends, covering geometry, material, testing, and documentation requirements for transportation and distribution piping.
מדריך קנייהSpecifying orifice flanges requires more than a standard flange RFQ. This checklist covers ASME B16.36 scope, class/type limits, tap details, and documentation gaps to verify before ordering.
מדריך קנייהGray iron and ductile iron flanges are covered by different ASME standards with distinct classes and ratings. This guide explains the key differences, procurement checks, and RFQ requirements to avoid costly specification errors.
