A High Pressure Stainless Steel Forged Check Valve is a robust and durable valve designed for applications requiring reliable backflow prevention in high-pressure and high-temperature systems. It is constructed from stainless steel using forging techniques, which provide superior strength, corrosion resistance, and performance in demanding environments. This type of valve is ideal for industries where extreme pressure, temperature, and corrosive conditions are common.
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Key Specifications:
Size: 1/2”-48”(dn25-dn1200)
Pressure: 150lbs-2500lbs (pn16-pn420)
Standard Compliance: api600, api 6d, api 602, api594, asme b16.34 or equivalents
Materials: carbon steel, stainless steel, duplex, bronze or other specials.
End connections: flanged (rf, rtj, ff), welded, thread, wafer .
Api trim #1,#5, #8, #10 and etc
Key Features:
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Material: Made from high-grade stainless steel (e.g., ASTM A182 F304, F316, or F321), offering excellent corrosion resistance, especially in acidic, alkaline, or chloride-rich environments.
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Forged Construction: Forging ensures superior strength, durability, and resistance to high pressure and temperature compared to cast valves.
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End Connections: Available in threaded, socket weld (SW), or butt weld (BW) ends to suit different piping systems.
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Pressure Rating: Designed for high-pressure applications, with pressure ratings such as 1500#, 2500#, or higher as per ANSI, ASME, or API standards.
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Temperature Range: Suitable for extreme temperatures, depending on the stainless steel grade and seat material.
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Sealing: Typically uses metal-to-metal seating or soft seats (e.g., PTFE or graphite) for tight sealing and durability.
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Automatic Operation: Operates automatically based on flow direction, requiring no external power or manual intervention.
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Compact and Robust: Forged construction ensures a compact design with high strength and durability.
Considerations:
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Orientation: Must be installed in the correct orientation (horizontal or vertical) to ensure proper operation.
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Disc Movement: In swing check valves, the swinging disc may cause water hammer in high-pressure systems, requiring additional measures (e.g., dampers or slow-closing mechanisms).
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Pressure Drop: Depending on the design, some check valves may cause a higher pressure drop compared to others.
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Cost: High-pressure stainless steel forged valves are generally more expensive due to the material quality and manufacturing process.
