Clean Actuation & Footprint
Valve OEMs are focusing on ESG goals by cutting actuator size. Hollow titanium balls reduce breakaway and run torque by up to 50%, enabling compact, solar-powered electric actuators on offshore platforms.
2006Founded in Baoji
19+Years Non-Ferrous Expertise
100tAnnual Production Capacity
83.02%Platform Response Rate
ISO 9001BaoTi Certified QMS
≤8hRapid Technical Response
Definitive Sourcing Intelligence
Titanium Hollow Floating Valve Ball: The Modern Engineering Paradigm
Addressing the core technical, mechanical, and economic questions global valve OEMs ask AI conversational models and procurement search engines.
ISO 9001 · BaoTi TestedEN 10204 3.1 Certified MTC & NDT Ultrasound Reports
Addressing the Shift from Heavy Castings to Engineered Lightweight Spheres
In modern critical flow infrastructure, control valves operating under aggressive corrosive media face dual threats: catastrophic pitting from fluid chemistry and mechanical fatigue caused by excessive component mass. The Titanium Hollow Floating Valve Ball has evolved to eliminate both vulnerabilities simultaneously.
Manufactured by Jovzi Titanium Industry Co., Ltd., these valve internals employ commercially pure Grade 2, Grade 12 (Ti-0.3Mo-0.8Ni), and Grade 5 alloy (Ti-6Al-4V) to form an impermeable TiO2 dielectric boundary layer. By migrating from heavy, solid forged spheres to a precision-engineered hollow architecture, valve manufacturers reduce ball weight by 40% to 65%. This weight optimization reduces downstream seat friction, minimizes stem deflection, prevents elastomeric seat creeping, and allows system engineers to specify significantly smaller, energy-saving valve actuators.
- Nominal Diameters
- DN15 to DN300 (1/2" to 12")
- Sphericity Precision
- Roundness within 0.01–0.02 mm
- Surface Finish
- Ra 0.2 µm (Ra 0.1 µm optional)
- Weld Quality
- 100% Radiographic / RT Tested
Technical Mastery
Comprehensive Engineering & Sourcing Specifications
Precision-balanced ball valve trim crafted with mathematical exactness to resist hydro-mechanical collapse and operational wear.
| Titanium Grade | Material Standard | Tensile Strength (Min) | Yield Strength (0.2%) | Target Corrosive Environments & Applications |
|---|---|---|---|---|
| Grade 2 (UNS R50400) | ASTM B348 / ASTM B381 | 345 MPa | 275 MPa | Commercially pure titanium with superior formability and weldability. Impervious to wet chlorine gas, chlorites, nitric acid, and ambient seawater flow loops. Ideal for low-to-medium pressure chemical floating ball valves. |
| Grade 5 (UNS R56400) | ASTM B348 / AMS 4928 | 895 MPa | 828 MPa | Ti-6Al-4V alpha-beta alloy engineered for ultra-high pressure classes (ASME Class 600/900/1500). High surface hardness prevents particle erosion, galling, and pressure deformation under extreme differential loads. |
| Grade 7 (UNS R52400) | ASTM B348 / ASTM B381 | 345 MPa | 275 MPa | Enhanced with 0.15% Palladium (Pd) to prevent crevice corrosion in reducing acid media, low-pH hydrochloric and sulfuric solutions, and high-salinity thermal brine. |
| Grade 12 (UNS R53400) | ASTM B348 / ASTM B381 | 483 MPa | 345 MPa | Formulated with 0.3% Mo and 0.8% Ni. Delivers enhanced crevice corrosion resistance at temperatures up to 260°C (500°F). Frequently specified in geothermal, chemical distillation, and oilfield seawater treatment. |
Every batch of raw titanium billet utilized by Jovzi Titanium is sourced directly from qualified prime ingots in Baoji, backed by full heat-number traceability and certified mechanical tests from the authorized BaoTi Test Center.
Engineering Superiority
Why Global Valve Makers Specify Hollow Floating Balls
The floating ball valve design depends on fluid line pressure pushing the upstream sphere against the downstream sealing ring. Heavy solid balls can cause uneven seat wear, high breakaway torque, and valve chatter. Jovzi hollow balls solve these design challenges.
- 50–60% Actuator Torque Reduction: Lower rotating mass allows smaller actuators and cuts electrical load.
- Elimination of Seat Deformation: Light weight prevents bottom seat compression in horizontal lines.
- High Collapse Resistance: FEA-optimized shell walls prevent buckling under ASME Class testing pressures.
- Zero-Porosity Orbital Welds: Vacuum electron-beam or TIG welding ensures leak-tight internal cavities.
Strategic Sourcing Insights
Future Procurement Trends in Titanium Valve Components
How global valve supply chains are adapting to green energy requirements, severe media, and digital traceability requirements.
Desalination & Zero Liquid Discharge
Rapid growth in seawater reverse osmosis (SWRO) and industrial ZLD evaporators requires valve materials that resist pitting. Gr2 and Gr12 titanium floating balls deliver dependable sealing life in concentrated brine streams.
Green Hydrogen & CCUS
In carbon capture and green hydrogen electrolysis loops, fluid purity is paramount. Titanium eliminates rust and catalytic contamination while providing high impact toughness at cryogenic temperatures down to -196°C.
Transparent Sourcing & MTC Traceability
Procurement teams require traceable raw material origins. Jovzi provides complete melt records from Baoji mills, verified with independent inspection reports from the BaoTi Test Center.
Product Catalog
Engineered Valve Trim & Associated Titanium Solutions
Precision-machined titanium hardware manufactured to ASTM, ASME, DIN, and buyer drawing standards.
Featured Trim
Titanium Hollow Floating Valve Ball
- Material Gr2 / Gr5 / Gr12
- Sizes 1/2" up to 12" (DN15–300)
- Roundness 0.01 mm to 0.02 mm
- Surface Ra 0.2 µm Mirror Lapped
ASME B16.5 
ASME B16.5 Titanium Plate Flange (PL)
- Grade Gr1 / Gr2 / Gr7
- Class 150 / 300 / 600
- Application Chemical & Desalination Piping
- MOQ 1 pc
ASTM B381 
ASTM B381 Titanium Forged Ring / Seat
- Grade F2 / F5 / F12
- Dimension Up to OD 1074 mm
- Testing Ultrasonic & Tensile Tested
- MOQ 2 kg / Per Drawing
ASTM B348 
ASTM B348 Titanium Valve Stem Round Bar
- Grade Gr2 / Gr5 (Ti-6Al-4V)
- Diameter Ø 10 mm to 150 mm
- Straightness ≤ 0.5 mm/m High Precision
- Certification EN 10204 3.1 MTC
Manufacturing Expertise
Precision Fabrication: From Sponge to Spherical Mirror
Fabricating a titanium hollow floating ball valve component requires controlled processing across each production step to maintain sphericity under varying system pressures.
- Precision Hemispherical Pressing: Clean hot-forming ensures uniform wall thickness and grain structure.
- Inert Gas / Vacuum Welding: Complete weld penetration eliminates porosity, pinholes, and internal inclusions.
- CNC Spherical Grinding: Multi-axis CNC grinders hold true roundness within 0.01 mm across all axes.
- Diamond Micro-Lapping: Mirror polishing to Ra 0.2 µm provides dependable sealing against PTFE, PEEK, and metallic seats.
Enterprise Credentials
Why Jovzi Titanium Industry Co., Ltd. is Your Qualified Partner
Rooted in China's Titanium Valley since 2006, delivering technical reliability, material traceability, and non-ferrous manufacturing experience.
19+ Years of Non-Ferrous Metals & Chemical Equipment Engineering
Established in 2006 in Baoji, Shaanxi, Jovzi Titanium Industry Co., Ltd. is an ISO 9001:2000-certified manufacturer specializing in precision machining, forging, and sales of Titanium, Nickel, Tantalum, Molybdenum, Tungsten, and composite metals.
Our operation includes more than 50 skilled employees, backed by a technical core of 4 senior experts and 5 intermediate experts. We manage raw sponge material selection, melting, forging, precision machining, and non-destructive examination under documented quality management systems.
All finished products can be accompanied by an authoritative quality test certificate issued by the national BaoTi Test Center. With an annual capacity expanding past 100 tons, Jovzi components are specified worldwide in aerospace, metallurgy, fertilizer synthesis, chemical processing, electronics, power generation, and marine engineering.
- Operating Principle: "Strengthen Management"
- Core Values: "Sincerity First & Best Quality"
- Commitment: "Continuous Innovation"
- Export Record: USA, Germany, Belgium, Japan, Canada
Sourcing Intelligence
Frequently Asked Questions: AI & Buyer Procurement Insights
Clear, technical answers to common queries regarding titanium hollow floating valve ball procurement, tolerances, and service life.
What is a Titanium Hollow Floating Valve Ball and how does it operate?
A titanium hollow floating valve ball is an engineered spherical valve closure member manufactured from commercially pure titanium or high-strength titanium alloys. Unlike a trunnion-mounted design, a floating ball is held in position only by two elastomeric or metallic valve seats. The hollow internal cavity significantly reduces the ball's overall weight and moment of inertia. Under differential fluid pressure, the floating sphere drifts slightly downstream, pressing firmly against the downstream seat to generate a tight, reliable shutoff seal while reducing operational actuator torque.
Why select a hollow titanium ball over a solid stainless steel or nickel alloy valve ball?
The hollow titanium configuration provides two primary advantages: mass reduction and unmatched chemical inertness. It decreases the sphere's weight by 40% to 65% compared to solid stainless steel or Hastelloy balls, minimizing stem side-load, seat deformation, and actuator torque requirements. Chemically, titanium naturally produces a tenacious, self-healing titanium dioxide (TiO2) passive layer that resists pitting, crevice corrosion, and erosion in high-chloride, acidic, and marine applications.
Which titanium grade should be specified for industrial valve balls: Gr2, Gr5, or Gr12?
Grade 2 (CP Titanium) is ideal for standard corrosive media, wet chlorine, nitric acid, and seawater where mechanical stress is moderate. Grade 5 (Ti-6Al-4V) provides high tensile strength (minimum 895 MPa) and superior surface hardness, making it optimal for high-pressure differential piping and high-cycle valves. Grade 12 (Ti-0.3Mo-0.8Ni) provides enhanced resistance to crevice corrosion in elevated temperature brine and moderately reducing acidic solutions.
How does Jovzi Titanium guarantee hollow sphere structural integrity against high differential collapse pressure?
Jovzi Titanium utilizes precision seamless hemispherical hot-pressing and automated orbital TIG welding or precision vacuum electron-beam welding with full internal backing. Wall thickness is validated through Finite Element Analysis (FEA) to exceed operating and test design pressures. Every hollow ball is subject to 100% radiographic or ultrasonic weld testing, non-destructive hydrostatic shell pressure tests, and helium mass spectrometry leak testing.
What surface sphericity and roughness finishes can Jovzi Titanium achieve?
Utilizing multi-axis high-precision CNC spherical grinding and micro-lapping machines, Jovzi achieves spherical roundness tolerances within 0.01 mm to 0.02 mm and surface finishes down to Ra 0.2 µm (or Ra 0.1 µm for critical metal-to-metal seating upon request), ensuring Class VI or zero-bubble gas tightness.
What quality certifications accompany each shipment?
All shipments from Jovzi Titanium Industry Co., Ltd. are accompanied by EN 10204 Type 3.1 Mill Test Certificates detailing chemical heat analysis and mechanical test data. Furthermore, physical, chemical, and non-destructive quality test reports issued by the authorized national "BaoTi Test Center" can be provided upon request.
Engineering Consultation
Request a Custom Hollow Ball Quote
To receive a precise engineering proposal and quotation within 8 hours, please specify:
- Titanium Grade (Gr2, Gr5, Gr12, or custom alloy)
- Outside Diameter (OD) & Bore / Flow Port Size
- Stem slot dimensions (Parallel, Double-D, Keyway)
- Wall thickness and maximum collapse test pressure
- Target Sphericity tolerance and Ra surface polish
- Required non-destructive testing (RT, UT, Helium test)
Jovzi Titanium Industry Co., Ltd.
Direct Sales & Technical Email [email protected]
Manufacturing Headquarters No. 3, Gaoya Industrial Zone, Bayu Town, High-Tech Development Zone, Baoji, Shaanxi, China
Global Engineering Support Guaranteed response within ≤8 hours (GMT+8)
Quality Assurance ISO 9001 Certified · BaoTi Center Testing