C-Ball Ball Valves-Trust Valve (JiangSu) Co.,Ltd.

C-Ball Ball Valves

Cavity-Free Reliability for Critical Isolation & Flow Control

"No Trapped Media. Zero Compromise. Trust Valve’s C-Ball—Built for Uninterrupted Performance."

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Features	Benefits
C-Shaped Ball Geometry	Eliminates internal cavities where media (slurries, viscous fluids, or solids) can accumulate, harden, or cause pressure buildup—critical for preventing blockages and unplanned shutdowns.
Double-Eccentric Mechanism	The ball rotates on two axes, ensuring minimal contact with the seat during opening/closing. This reduces friction and wear, extending valve life by up to 50% compared to standard ball valves in high-cycle applications.
Metal-to-Metal Bubble-Tight Sealing	Hardened Stellite®-faced seats and a precision-machined C-ball create a metal-to-metal seal that exceeds API 598 Class VI leakage standards. Ideal for containing toxic, flammable, or high-value media.
Fire-Safe & Anti-Static Design	Inherently fire-safe (compliant with API 607/6FA) with no reliance on soft seals—metal components maintain integrity during fires. Anti-static stems prevent electrostatic discharge in hazardous areas.
Forged Alloy Construction	Body and trim materials (WCB carbon steel, WC6 alloy steel, duplex stainless steel) withstand extreme pressures (up to CLASS 4500/PN 760) and temperatures (-196°C to 538°C), adapting to HPHT and cryogenic services.

Industrial C-Ball Ball Valves

Versatile workhorses for general isolation and flow control in oil & gas, petrochemical, and power systems.
Sizes: NPS 2" to 24" (DN 50 to DN 600); Pressure Classes: CLASS 150 to 3000.

HPHT C-Ball Ball Valves

Reinforced forged bodies and heavy-duty trunnion supports for ultra-high pressure (CLASS 4500/PN 760) and temperature (538°C) applications.
Ideal for wellhead manifolds, subsea pipelines, and supercritical steam systems.

Specialty C-Ball Variants

Sour Service: NACE MR0175/ISO 15156-compliant materials (22Cr duplex, 25Cr super duplex) resist sulfide stress cracking in H₂S-rich environments.
Cryogenic: Extended bonnets and low-temperature alloys (LCB, 316L) for LNG/LPG service (-196°C to -50°C), preventing ice buildup.
Abrasive Service: Tungsten carbide-coated balls/seats for slurry, mining, and particle-laden media (e.g., coal slurry, mineral processing).

Size Range: NPS 2" to 48" (DN 50 to DN 1200)
Pressure Classes: CLASS 150 to 4500 (PN 20 to PN 760)
Temperature Range: -196°C (-320°F) to 538°C (1000°F)
Body Materials: Carbon Steel (WCB, A105), Alloy Steel (WC6, WC9), Duplex/Super Duplex Stainless Steel
Seat/Ball Materials: Stellite® 6, Inconel® 625, Tungsten Carbide (abrasive service)
End Connections: Flanged (RF, RTJ per ASME B16.5), Butt-Weld (ASME B16.25), Threaded (NPT/BSP)
Testing: Hydrostatic shell test (1.5× rated pressure), seat test (1.1× rated pressure), fire-safe testing (API 607), and NACE TM0177 (sour service).

Oil & Gas: Pipeline isolation, pig launchers/receivers, wellhead manifolds, and sour gas gathering lines.
Petrochemical: High-pressure reactor feed lines, solvent transfer, and hydrogen compression systems.
Power Generation: Steam header isolation, boiler feedwater, and flue gas desulfurization (FGD) systems.
LNG/LPG: Cryogenic storage and transfer lines, where cavity-free design prevents ice blockages.
Mining & Minerals: Slurry transport, tailings management, and mineral processing—resisting abrasion from solids.

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