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Tehnički članci, poređenja standarda, studije slučaja i vodiči za kupovinu o komponentama cevovoda pod pritiskom, prirubnicama i kovanim fitinzima.
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Pošalji RFQ113 članaka· Vodič za kupce
Vodič za kupceA manufacturing record book (MRB) is more than a single certificate. This guide explains how to assemble and verify the complete documentation package for wrought steel pipe fittings, covering standards, traceability, inspection, and release records.
Vodič za kupceA 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.
Vodič za kupceSpecifying 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.
Vodič za kupceVerifying 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.
Vodič za kupceA 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.
Vodič za kupceChoosing 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.
Vodič za kupceA practical checklist for EPC engineers and procurement managers to verify ASME PCC-1 compliance in bolted flange joint assembly, covering procedures, training, and documentation.
Vodič za kupceA practical RFQ checklist for ASME B16.49 induction bends, covering geometry, material, testing, and documentation requirements for transportation and distribution piping.
Vodič za kupceSpecifying 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.
