WHAT IS XYLAN COATING ON B7 STUDS? Xylan coating on B7 studs is a fluoropolymer-based dry-film lubricant coating that improves corrosion resistance, reduces friction, and extends the service life of ASTM A193 Grade B7 alloy steel studs. Applied through a bake-cure process, it forms a thin yet durable protective film, typically 15–25 microns thick. The […]
WHY INDUSTRIAL VALVE BONNET SEALS FAIL? Bonnet seal failure is often caused by hardness mismatch, improper material selection, and incorrect surface finish specifications. When a seal is harder than the valve body, flange damage can occur, leading to persistent leakage and costly repairs. Surface roughness (Ra value) also affects sealing performance by influencing compression and […]
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