Precision-engineered ball valves built to withstand extreme temperatures, high pressures, and abrasive slurry media encountered in mining and mineral processing environments.

High-Temp & High-Pressure Ball Valve Class 600 – Metal Seated Top Entry | Mining & Ore Processing
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High-Pressure Metal Seated DBB Trunnion Mounted Electric Actuated Ball Valve – Mineral Processing
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Cryogenic Reduce Port Floating Ball Valve with Locking Device – Mining & Processing Reliability
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Class 2500 / 6000 PSI Forged DBB Trunnion-Mounted Ball Valve – Leak-Free Mining Pipeline
View Details ›The global mining and mineral processing industry operates under some of the most punishing conditions in all of industrial engineering. High-temperature valves are not merely components — they are mission-critical safety and efficiency assets.
⚡ The global industrial valve market for mining applications is projected to exceed USD 4.8 billion by 2030, driven by expanding mineral demand, deeper mine operations, and stricter process safety regulations. High-temperature and high-pressure valve segments are among the fastest-growing categories, with CAGR exceeding 6.2% annually.
Crushing, grinding, and flotation circuits generate high-temperature slurry flows. High-temp metal-seated ball valves manage abrasive ore slurries at elevated temperatures exceeding 200°C, preventing seal degradation and unplanned shutdowns.
High-Pressure Acid Leach (HPAL) processes for nickel, cobalt, and lithium operate at temperatures up to 270°C and pressures up to 50 bar. Only forged metal-seated valves with specialized alloy trim can survive these corrosive, high-energy environments.
Copper smelters, aluminum refineries, and iron ore sintering plants require valves capable of handling process gases, molten material transfers, and steam systems at temperatures from 300°C to over 600°C with zero tolerance for leakage.
SX-EW (Solvent Extraction – Electrowinning) circuits for copper and rare earth elements involve aggressive acidic and alkaline media at elevated temperatures. High-temp valves with NACE-compliant materials ensure safe, long-term operation.
Modern tailings processing systems recycle process water at high temperatures. DBB trunnion-mounted valves provide positive isolation in tailings pipelines, protecting the environment and ensuring regulatory compliance.
Remote mine sites operate captive power plants and steam generation systems requiring Class 600–2500 high-temperature valves for boiler feedwater, steam distribution, and heat recovery systems running continuously 24/7.
The mining and mineral processing sector is undergoing rapid transformation. These key trends are reshaping how high-temperature valves are specified, deployed, and maintained.
Mining operations are adopting Industry 4.0 technologies at pace. Electric and pneumatic actuated high-temp valves with embedded position sensors, torque monitoring, and HART/Profibus communication enable real-time process control and predictive maintenance, dramatically reducing costly unplanned downtime in remote mine sites.
The push for longer valve service life in abrasive, high-temperature slurry environments has accelerated adoption of Inconel, Stellite-overlaid trim, tungsten carbide coatings, and duplex stainless steel (F51) body materials. These innovations extend mean time between replacements (MTBR) from months to years.
The global energy transition is driving unprecedented investment in lithium, cobalt, nickel, and rare earth element processing. These HPAL and atmospheric leach circuits demand high-temp valves rated for aggressive acid service at elevated temperatures — a rapidly growing market segment requiring specialized engineering expertise.
Increasingly stringent environmental and safety regulations in mining jurisdictions worldwide mandate fire-safe valve designs (API 607 / API 6FA), fugitive emission compliance (ISO 15848), and zero-leakage seat performance. Metal-seated high-temp valves are replacing soft-seated alternatives in critical isolation duties.
As surface deposits are exhausted, mining operations are going deeper, encountering higher geothermal temperatures and hydrostatic pressures. Class 1500–2500 forged high-temp valves are increasingly specified for deep underground dewatering, compressed air, and process fluid systems.
Major mining companies are diversifying their valve supply chains away from single-source dependencies. Chinese manufacturers like SLVCN, offering API/ISO certified high-temp valves with full traceability, competitive lead times, and comprehensive customization, are gaining significant market share in global EPC projects.
Hardened metal seats with Stellite or tungsten carbide overlay withstand abrasive ore slurries and high-temperature process streams where soft seats would rapidly degrade, ensuring bubble-tight shut-off over extended service life.
Superior material density and mechanical strength compared to cast alternatives. Forged steel bodies resist thermal shock, pressure cycling fatigue, and vibration — critical for mining pump stations and compressor discharge systems.
SLVCN high-temp valves are engineered for service from -196°C cryogenic to +600°C high-temperature applications, covering the full spectrum of mining and mineral processing thermal demands within a single proven product family.
Double Block and Bleed configurations provide positive dual isolation with cavity venting — essential for safe maintenance procedures in high-temperature mining process lines without full system shutdown, maximizing plant availability.
All SLVCN trunnion-mounted valves feature anti-blowout stems as standard, preventing catastrophic stem ejection under high-pressure conditions — a non-negotiable safety requirement for manned mining process facilities.
For mining operations handling H₂S-containing process streams or acidic leach solutions, SLVCN valves are available in NACE MR0175 / ISO 15156 compliant materials and configurations, ensuring safe long-term performance.
Electric, pneumatic, and hydraulic actuators with positioners, limit switches, and solenoid valves enable full automation of high-temp valve operations in remote or hazardous mining environments with minimal human intervention.
Sizes from ½" to 36", full bore or reduced bore, Class 150 to 2500 and beyond, with special end connections, extended bonnets for insulation, and bespoke material combinations to match exact mining process requirements.


With over 30 years of manufacturing experience, SLVCN is a professional designer and manufacturer of high-performance forged steel ball valves for critical industrial applications. We specialize in extreme working conditions including high pressure, high temperature, and cryogenic environments, providing safe and reliable flow control solutions for global industrial projects where operational reliability is non-negotiable.
Our engineering team works closely with mining EPC contractors, process engineers, and end users to develop valve solutions precisely matched to the demanding requirements of ore processing, hydrometallurgy, smelting, and mine infrastructure systems. Every valve we produce reflects three decades of accumulated expertise in severe-service valve engineering.
Contact UsOur core product range covers forged trunnion-mounted and floating ball valves, top-entry and side-entry ball valves, fully welded ball valves, metal seated ball valves, cryogenic ball valves, high-pressure ball valves up to Class 2500 (PN420) and customized higher pressure ratings, as well as high-temperature service valves. Compared with conventional cast valves, SLVCN forged valves feature higher material density, superior mechanical strength, improved resistance to pressure fluctuations and thermal shock, and significantly longer service life under severe service conditions.
Designed for High Pressure, High Temperature, and Cryogenic Applications, SLVCN valves are widely used in long-distance oil & gas transmission pipelines, LNG storage and regasification terminals, offshore platforms and deepwater projects, power plants, refineries, compressor stations, and high-pressure chemical processing units. Whether handling flammable media, corrosive fluids, sour service media (H₂S), ultra-low temperatures, or extreme differential pressures, our valves ensure stable operation, bubble-tight shut-off, and maximum system safety in accordance with international sealing and performance standards.
Safety and reliability are embedded in every design. Our forged ball valves are equipped with Double Block and Bleed (DBB) structures, anti-blowout stems, fire-safe designs in accordance with API 607 / API 6FA, anti-static devices, emergency sealing systems, and pressure-balanced seating structures suitable for high differential pressure operation.
Valves can be designed with SPE or DPE seat configurations based on application requirements. For sour service environments, materials and sealing systems comply with NACE MR0175 / ISO 15156 requirements — ensuring safe, long-term performance even in the most chemically aggressive mining process streams.
To ensure consistent quality, each valve undergoes a complete series of inspections and performance tests in accordance with API 6D, API 598, and ISO 5208, including shell test, seat leakage test (Rate A / zero visible leakage), fire-safe test, cryogenic test, operational torque test, dimensional inspection, and PMI material verification. SLVCN operates dedicated cryogenic testing facilities to validate valve performance at ultra-low temperatures down to −196°C.
SLVCN is certified to ISO 9001, CE, and API standards, and our products comply with API 6D, ASME B16.34, DIN, ANSI, and JIS specifications. We provide extensive customization capabilities covering sizes from 1/2" to 36", full bore or reduced bore, special materials including A105, LF2, F11, F22, F51, Inconel, various soft and metal seat designs, and intelligent actuation with pneumatic, electric, and gear operators.
🏅 SLVCN's dedicated high-temperature valve testing laboratory simulates real-world mining process conditions — including thermal cycling, abrasive media exposure, and high-differential pressure operation — to validate performance before every shipment.
Today, SLVCN serves customers in more than 100 countries and regions, supplying valves to EPC contractors, engineering companies, and end users across Europe, the Middle East, Southeast Asia, and the Americas. Backed by strong engineering expertise, advanced manufacturing, and rigorous quality control, SLVCN is committed to delivering safe, durable, and truly engineered valve solutions for the world's most demanding industrial projects.
For mining and mineral processing clients specifically, SLVCN offers dedicated project engineering support, from initial valve specification and material selection through to factory acceptance testing, documentation packages, and post-installation technical assistance — ensuring your high-temp valve systems perform reliably from commissioning through decades of continuous operation.
Explore our full range of forged ball valves engineered for high-temperature, high-pressure, and severe-service mining and mineral processing applications.

High-Temp & High-Pressure Ball Valve Class 600 – Metal Seated Top Entry | China Suppliers & Factory
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High-Pressure Metal Seated DBB Trunnion Mounted Electric Actuated Ball Valve
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Cryogenic Reduce Port Floating Ball Valve with Locking Device – China Suppliers & Factory
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China Factory Suppliers – Class 2500 / 6000 PSI Forged DBB Trunnion-Mounted Ball Valve with Reliable Leak-Free Performance
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300LB Forged DBB Trunnion-Mounted Ball Valve for Gas Pipeline – China Suppliers & Factory Solutions
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Forged Reduced Bore Trunnion Mounted Ball Valve with Lockable Lever Handle
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China Fully Welded Trunnion-Mounted Ball Valve Factory: Extended Stem for Underground Pipeline Suppliers
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Fire-Safe Multi-Layer Stem Sealing Class 2500 F11 Trunnion Mounted Ball Valve
View Details ›Our engineering team is ready to assist with valve selection, material specification, and custom engineering for your mining and mineral processing application.
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