Forged Steel High Pressure Gate Valve DN25 Price – Pressure Class 900 and Above
With pressure ratings extending beyond Class 900 and temperature capabilities reaching 650°C, these valves ensure system integrity where cast valves would fail . This article provides essential pricing information and key selection parameters for DN25 forged steel gate valves rated for Class 900 and above.The main gate valve product names of China gate valve Network include:Electric Non-rising Stem Single Disc Wedge Gate Valve,Electric Rising Stem Single Disc Wedge Gate Valve,MZ48W Manual Non-rising Stem City Gas Quick Gate Valve,Manual Knife-shaped Gate Valve,Manual Slurry Valve,Manual Wedge Copper Gate Valve,Rising Stem Wedge Single Disc Gate Valve.
Price Reference for Class 900+ DN25 Forged Steel Gate Valves
Prices for high pressure forged steel gate valves vary based on material grade, connection type, and certification:
Basic configurations with carbon steel A105 bodies typically range from approximately $16 to $150 USD for DN25 Class 900 threaded models, depending on configuration and supplier .
Premium stainless steel F304 models with Class 1500 ratings command higher pricing, with DN25 configurations available from approximately $450 USD and above .
For reference, domestic Chinese market pricing for high pressure forged steel gate valves is approximately 1,500 CNY per unit (around $210 USD) for standard configurations .
Key factors affecting price include specific material grade (A105 vs F304/F316), pressure rating (Class 900 vs 1500 vs 2500), connection type (threaded, socket weld, or flanged), and certification requirements .
Technical Specifications for Class 900 and Above
DN25 forged steel gate valves must meet rigorous performance standards. Forged steel construction provides dense, defect-free material structure superior to cast alternatives . Pressure classes available from Class 900 through Class 2500, with Class 900 rated to approximately 2220 psi (15.3 MPa) at ambient temperature . Working temperatures range from -196°C to 650°C depending on material selection .
Valve body materials include ASTM A105 carbon steel for standard service and ASTM A182 F304/F316 stainless steel for corrosive applications . Design standards include API 602, ASME B16.34, and API 598 for testing . Connections available with threaded NPT, socket weld, flanged, and butt weld options .
Selection Considerations for High Pressure Service
When selecting a forged steel gate valve for Class 900 and above service, verify the valve's pressure rating exceeds maximum system operating pressure with appropriate safety margin. Confirm temperature capability matches maximum operating temperature, considering pressure-temperature derating per ASME B16.34 . Select material compatible with process media and specify NACE compliance for sour service applications if required.
Summary
DN25 forged steel high pressure gate valves are essential for reliable isolation in Class 900 and above service, with prices starting from approximately $16 USD for basic configurations and reaching $450+ for premium stainless steel models. Forged construction provides superior strength and reliability for high pressure applications. Selection requires careful evaluation of pressure rating, temperature capability, and material compatibility. Consulting with qualified manufacturers who provide certified material test reports and performance documentation is strongly recommended for critical applications.
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