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This guide compares SS316 vs SS316L spiral wound gaskets by carbon content, corrosion behavior, weldability, temperature exposure, and long-term reliability. It explains sensitization, chromium carbide precipitation, intergranular corrosion, molybdenum-based pitting resistance, filler limits, flange loading, ASME B16.20 color coding, and dual certification. Readers learn when SS316 may be acceptable, why SS316L is preferred for welded, chloride-rich, high-temperature, or aggressive chemical service, and how MTRs, PMI testing, filler selection, and galvanic-corrosion controls reduce procurement and installation risks. The comparison also addresses availability, mechanical strength, and component-specific metallurgy.
READ MORELearn how to translate engineering drawings into production-ready custom gaskets. This guide covers material selection, manufacturing methods, and RFQ tips.
READ MOREThis guide explains how a graphite spiral wound gasket combines metallic windings and flexible graphite filler to seal high-pressure, high-temperature piping systems. It covers winding materials, inner and outer rings, temperature and pressure limits, chemical compatibility, dynamic recovery, and flange distortion tolerance. Readers can compare graphite with PTFE and mica, review applications in refining, power generation, and oil and gas, and select CG or CGI configurations. Practical installation guidance addresses bolt torque, over-compression, inward buckling, handling, storage, and metallurgy selection for reliable, leak-free service.
READ MOREThis guide explains what a CNAF gasket is, how its compressed non-asbestos fiber structure works, and where it performs best. It covers reinforcing fibers, NBR, EPDM, and SBR binders, pressure-temperature limits, industry certifications, and chemical compatibility. Readers can compare CNAF with PTFE, spiral wound, and rubber gaskets, then evaluate flange finish, seating stress, bolt load, cutting methods, and dimensional tolerances. The article also highlights binder degradation, creep relaxation, flange sticking, and selection steps that help prevent leakage and premature gasket failure.
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