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The GKBV Series Metal Seated Ball Valve With HVOF Coating is engineered for high-performance and severe service conditions. Featuring advanced HVOF coating technology, these valves provide excellent wear resistance, corrosion protection, and long-term reliability in high-pressure, high-temperature, and abrasive applications.
With GEKO’s precision engineering and coating expertise, the GKBV Series ensures tight sealing performance, extended service life, and superior durability, making it the ideal choice for power plants, chemical processing, and oil & gas industries.
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GKBV Series – GEKO Metal Hard-Sealed Ball Valve with Advanced HVOF Coating High Performance | Extreme Durability | Precision Control
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Size Range DN15 to DN600 (1/2" to 24"), larger custom sizes available
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Body & Trim Material Body: A105 / F22 / F91 / F316 |
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Pressure Rating ASME / ANSI Class 150 to Class 4500, PN16–PN420 |
Operating Temperature Range -200°C to +800°C (-328°F to +1472°F) |
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Design Standards API 6D, ASME B16.34, ISO 17292, BS 5351 |
Test Standards API 598, API 6D, MSS-SP-61, ISO 5208 |
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Valve Type & Structure Floating Ball / Trunnion Mounted Design |
Stem & Shaft Material 17-4PH / 660SS (high-strength alloy steel) |
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Sealing System Metal-to-metal seal, spring-loaded seat design, disc spring loaded packing seal system |
Coating Technology High Velocity Oxy-Fuel (HVOF) coating – Tungsten Carbide, Chrome Carbide, Ceramic or special alloy coating for wear and corrosion resistance |
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Operation Method Manual (Lever / Gear), Pneumatic, Electric, or Hydraulic Actuator |
End Connection Standards Flanged (ASME B16.5 / EN1092), Butt Weld (ASME B16.25), Socket Weld, Threaded, or custom connections |
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Special Design Features High-precision stem positioning mechanism, low torque operation, anti-blowout stem, fire-safe design, anti-static device, double sealing structure |
Packing & Gland Flexible Graphite |
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Applicable Fluids Steam, gas, oil, slurry, chemical media, high-temperature or abrasive fluids |
Applications Power generation, petrochemical, oil & gas, refining, metallurgy, pulp & paper, and other severe service industrial systems |
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Inspection & Testing Pressure, sealing, and functional tests per API 598 / API 6D; NDT (RT, UT, MT, PT); surface hardness and coating adhesion tests |
Key Advantages High sealing reliability, wear and corrosion resistance, long service life, stable operation under high pressure and temperature, maintenance-friendly design |
GEKO GKBV Series Metal Seated Ball Valve With HVOF Coating
Built in full compliance with API and international valve design standards, the GKBV Series offers:
Design Standard: API and related global valve standards
Nominal Diameter: 1/2" – 24"
Pressure Rating: Class 150 – Class 4500
Operating Temperature: -200°C to +800°C
Test Standards: API 598, API 6D, MSS-SP-61
The floating ball design and all-metal sealing structure provide tight shut-off and excellent wear resistance, even under abrasive and high-pressure service. A precision valve stem positioning mechanism ensures accurate control, while the disc spring-loaded packing seal system maintains zero leakage performance throughout the valve’s service life.
Utilizing GEKO’s advanced HVOF (High Velocity Oxy-Fuel) coating technology, the GKBV Series achieves outstanding surface hardness, erosion protection, and corrosion resistance, making it ideal for power generation, petrochemical, refining, chemical processing, and oil & gas industries.
With its robust construction, superior sealing performance, and long-lasting durability, the GEKO GKBV Series sets a new benchmark for industrial metal seated ball valves used in high-pressure, high-temperature, and severe service environments.
GEKO Metal-Sealed Ball Valve – High Performance Industrial Valve Solutions
Unlock Reliability in High-Pressure, High-Temperature, and Abrasive Applications
Full Metal Sealing
100% metal-to-metal sealing eliminates PTFE, graphite, or O-rings.
With no aging or thermal expansion issues.
Dual Guide Bearings
Upper and lower bearings stabilize the valve stem, prevent lateral movement,
and protect the packing from particles and actuator forces.
Wide Valve Seat
Extra-wide sealing surfaces reduce stress, ensure low-pressure sealing, and
extend life in frequent operations. Verified with precision lapping for perfect fit.
Forged Valve Bodies
High-strength forged bodies with 316 stainless steel.
Floating Ball Design
Dynamic Sealing System
Disc spring-loaded sealing prevents packing wear and meets EPA VOC standards.
Reinforced Valve Stem
Larger stems reduce torque spikes and operational failure in high-frequency or particle-laden environments.
Strong Mounting Bracket
Robust welded bracket ensures actuator stability, precise alignment, and eliminates side forces.
Optional Upper Stem Seal
Hardened bearings guide the stem and prevent particle ingress, reducing wear between components.
Valve Body Gaskets
ASME CL150–1500: Inconel with graphite
ASME CL2500+: Gold-plated Inconel Delta rings
Why Choose GEKO Ball Valves?
GEKO valves combine metal-to-metal sealing, robust forged bodies, and precision-engineered components to deliver unmatched reliability in chemical, petrochemical, power generation, and industrial process applications. Designed for long service life, even under extreme pressure, temperature, and particle-laden conditions, these valves ensure safe, efficient, and maintenance-free operation.
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The GKBV Series Metal Seated Ball Valve With HVOF Coating is engineered for high-performance and severe service conditions. Featuring advanced HVOF coating technology, these valves provide excellent wear resistance, corrosion protection, and long-term reliability in high-pressure, high-temperature, and abrasive applications. With GEKO’s precision engineering and coating expertise, the GKBV Series ensures tight sealing performance, extended service life, and superior durability, making it the ideal choice for power plants, chemical processing, and oil & gas industries.
Read More
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