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The Kitz Class 300 flanged gate valve is manufactured with a steel or ductile iron body, rated for Class 300 pressure per ASME B16.34 standards. It operates as a gate valve with a sliding disc mechanism, providing full open or closed flow control, not suitable for throttling. Internal components, including the disc and seat, are made of stainless steel or bronze for high corrosion and wear resistance, capable of handling operating temperatures between 0°C and 425°C. The flanged design conforms to ASME B16.5 standards, allowing secure and rapid installation between standard flanged pipelines. Internal sealing with high-performance washers ensures minimal leakage and reliable, quiet operation.
Depending on nominal size DN50–DN600, the valve weight ranges from 25 to 450 kilograms. The body and disc are designed to withstand pressure surges and impacts, suitable for water, steam, oil, and other industrial and chemical fluids. Flanges feature standard bolt patterns and corrosion-resistant coating for long-lasting protection and easy installation. The Kitz Class 300 flanged gate valve offers robust construction, long service life, and safe operation, making it a key choice for oil, gas, power plants, and high-pressure industrial pipelines.
WEBSITE: Kitz Class 300 6-inch flanged gate valve Iran
To maintain a Class 300 Kitz flanged gate valve, first shut off system flow and fully release internal pressure. Inspect the body and flanges periodically for corrosion, cracks, and leakage. Internal PTFE or graphite seals should be checked every 6–12 months and replaced if necessary. The valve stem must be lubricated with high-temperature grease up to 250°C to ensure smooth operation and a lifespan exceeding 100,000 cycles. After servicing, operate the valve several times to confirm proper function and zero leakage. Following ISO 5211 and API 608 standards during maintenance enhances safety and efficiency in oil, steam, and industrial installations.
