Valve Gasket Selection Guide: PTFE, Graphite, Spiral Wound and RTJ Gaskets
Learn how to choose valve gaskets including PTFE, graphite, rubber, spiral wound, RTJ, non-asbestos and kammprofile gaskets by medium, pressure, temperature, flange type, leakage risk and project requirements.
Valve End Connection Types: Flanged, Threaded, Socket Weld, Butt Weld, Wafer and Lug
Learn how to choose valve end connection types including flanged, threaded, socket weld, butt weld, wafer, lug, clamp and grooved connections by pressure, size, maintenance, welding, installation and project requirements.
Valve Pressure-Temperature Rating Guide: Why Pressure Class Changes with Temperature
Learn how valve pressure-temperature ratings work, why pressure class changes with temperature, and how material, valve standard, flange rating, seat material and project conditions affect valve selection.
F51 vs F53 Valve Material: Duplex and Super Duplex Forged Steel Selection Guide
Compare ASTM A182 F51 and F53 valve materials by duplex and super duplex grade, seawater resistance, chloride corrosion, offshore service, strength, cost, MTC and PMI requirements.
Forged Valve Materials Guide: A105, LF2, F304, F316, F51, F53, F11 and F22
Learn how to choose forged valve materials including ASTM A105, A350 LF2, A182 F304, F316, F51, F53, F11 and F22 by pressure, temperature, corrosion, low-temperature toughness, high-temperature service, and project requirements.
A105 vs LF2 Valve Material: Forged Carbon Steel Selection Guide
Quick Summary: ASTM A105 and ASTM A350 LF2 are both