Gr5 DIN912 Screws
High-tensile Grade 5 (Ti-6Al-4V) socket head bolts engineered for valve actuators, bonnet bolting, and high-pressure flow line fixtures.
View SpecificationsBespoke industrial titanium solutions manufactured to ASTM, ASME, and DIN standards by Jovzi Titanium Industry in Baoji, offering end-to-end metallurgical traceability for the Wallonia industrial corridor.
High-tensile Grade 5 (Ti-6Al-4V) socket head bolts engineered for valve actuators, bonnet bolting, and high-pressure flow line fixtures.
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Seamless and welded Gr1, Gr2, and Gr9 pipes suitable for chlorine transport, acid transfer pipelines, and ball valve flanged manifolds.
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Precision-ground Grade 2 shafts offering exceptional torsion resistance and non-galling properties for manual and automated ball valve actuation.
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High-integrity ASTM B338 process tubes designed for severe corrosive environments in Liège chemical treatment and waste reprocessing plants.
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Superelastic NiTi wire suitable for specialized thermally activated emergency shut-off valves and high-precision sensor mechanisms.
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Large-diameter Ti-6Al-4V rounds explicitly forged for hollow floating valve balls, trunnion balls, and CNC valve body machining.
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Grade 1 and Grade 2 rapid-disconnect flange systems providing zero-leak tightness for aggressive gas exhaust and fluid diversion pipelines.
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Forged Ti-6Al-4V blocks optimized for high-pressure block valve manifolds, custom multiport ball valve bodies, and extreme hydraulic duties.
View SpecificationsThe Arrondissement of Liège, strategically located at the core of the Meuse-Rhine Euroregion, constitutes one of Northwestern Europe's most demanding logistics and heavy-industry intersections. Historically recognized for cutting-edge steelmaking along the Meuse River Basin, the modern Liège industrial ecosystem has rapidly diversified into specialty chemicals, biochemical pharmaceuticals, green hydrogen production, circular metallurgy, and high-efficiency power generation.
For project engineers, EPC contractors, and procurement departments across Liège, Seraing, Herstal, and the Trilogiport multimodal terminal, flow control infrastructure is constantly subjected to highly aggressive media. Traditional stainless steel valves (such as AISI 304 and 316L) routinely succumb to localized pitting, stress-corrosion cracking (SCC), and crevice corrosion when handling concentrated wet chlorine, hot brine streams, nitric acid derivatives, and sulfuric processes.
Whether installed in petrochemical separation lines or municipal effluent neutralizers, our custom titanium ball valves deliver zero-leakage shutoff per ISO 5208 Rate A standards, significantly decreasing the mean time between failures (MTBF) and eliminating catastrophic down-times in Walloon manufacturing operations.
Combining Baoji's world-renowned raw material supply chain with rigorous aerospace-grade machining tolerance controls.
Every valve component, forged sphere, and stem is cast or forged with traceable heat numbers backed by verified EN 10204 3.1 inspection certificates and independent testing through the authorized BaoTi Test Center.
Spherical roundness tolerances within ±0.01 mm with super-mirror lapped surfaces (Ra ≤ 0.2 μm), preventing micro-scoring on PTFE, RPTFE, PEEK, or metal-to-metal stellite valve seats.
Located in Gaoya Industrial Zone, Baoji (China's Titanium Valley), Jovzi combines sponge-to-machined-part vertical integration, delivering up to 35% cost optimization over Western European stockists without sacrificing metallurgical integrity.
The transition toward decarbonized processes and circular heavy industry in Wallonia demands valves capable of outperforming standard stainless alloys. Jovzi’s titanium ball valves are routinely deployed across four localized sectors:
Chemical reactors bordering the Meuse handle concentrated phosphates, chlorine gas, sodium hypochlorite, and wet hydrochloric slurries. Pure Grade 2 titanium ball valves eliminate stress-corrosion cracks common to 316/duplex stainless valves.
High-purity deionized water feed systems and proton-exchange membrane (PEM) stacks operate under conditions where no heavy-metal leaching is permissible. Titanium provides zero-ion elution, preserving expensive catalytic membranes.
Modern cold-rolling and continuous galvanizing lines rely on closed-loop acid recovery. Titanium Grade 7 (Ti-Pd) and Grade 12 (Ti-Mo-Ni) ball valves withstand high-temperature crevice conditions and boiling sulfuric and nitric solutions.
Li-ion battery hydrometallurgical recycling units rely on leaching aggressive metallic salts under elevated pressures. Titanium's superior abrasion-corrosion resistance keeps slurry lines sealed without catastrophic valve seat failure.
To assist Liège engineering consultants and piping designers, the following data delineates Jovzi’s titanium alloy offerings according to international pressure-boundary codes:
| Titanium Grade | UNS / EN Standard | Yield Strength (Min) | Tensile Strength (Min) | Recommended Medium in Wallonia Facilities |
|---|---|---|---|---|
| Grade 2 (CP-3) | UNS R50400 / 3.7035 | 275 MPa | 345 MPa | Wet chlorine, seawater cooling, brine, nitric acid ≤ 65%, sodium chlorate |
| Grade 5 (Ti-6Al-4V) | UNS R56400 / 3.7165 | 828 MPa | 895 MPa | High-pressure hydraulic manifolds, offshore platforms, high-velocity slurries |
| Grade 7 (Ti-0.15Pd) | UNS R52400 / 3.7235 | 275 MPa | 345 MPa | Boiling dilute hydrochloric and sulfuric acids, high-temperature crevice media |
| Grade 12 (Ti-0.3Mo-0.8Ni) | UNS R53400 / 3.7105 | 345 MPa | 483 MPa | Intermediate-strength process equipment, elevated temperatures up to 300°C |
*Design Standards Compliance: ASME B16.34 (Valves Flanged, Threaded, and Welding End), API 6D (Pipeline Valves), API 598 (Valve Inspection and Testing), and European Pressure Equipment Directive (PED 2014/68/EU Module H).
The industrial landscape in Eastern Belgium is experiencing significant technological transformations governed by European Union decarbonization mandates and Net-Zero Industry initiatives:
Straightforward engineering and logistics answers tailored for European purchasing managers and project planners.
Every shipment includes an EN 10204 3.1 Mill Test Certificate (MTC) indicating exact heat numbers, chemical composition (tested via optical emission spectrometry), tensile/yield strength, and elongation. Additionally, pressure testing charts confirming zero shell and seat leakage per API 598 / ISO 5208 and independent chemical check reports from the BaoTi Test Center are provided on request to ensure full PED compliance.
Yes. While we regularly manufacture to ASME B16.5 (Class 150 / 300 / 600), our multi-axis CNC machines routinely produce valves configured with metric flanged connections per EN 1092-1 (PN10, PN16, PN25, PN40) with raised face (Form B1/B2) or tongue-and-groove profiles directly tailored for existing Belgian factory pipelines.
Titanium on titanium contact under high torque can induce localized galling. Jovzi resolves this by utilizing differential hardness alloys (e.g., Grade 5 heat-treated stems paired with Grade 2 spherical balls), precision micro-polishing down to Ra ≤ 0.2 μm, advanced thermal oxidation treatments, and virgin or filled fluoropolymer seats (PTFE, RPTFE, PEEK, or carbon-reinforced composites).
Standard components and semi-finished valve bodies in Grade 2 or Grade 5 are held in raw stock, enabling custom production within 3 to 5 weeks. We offer multimodal shipping options: express air freight directly to Liège Airport (LGG) for emergency maintenance shutdowns (3–6 days transit), or sea-rail freight via Antwerp/Rotterdam to Trilogiport (approx. 28–32 days). We ship under FOB, CIF, or seamless DDP (Delivered Duty Paid).
Yes. With over 6 years of focused OEM valve component manufacturing and a team of 4 senior and 5 intermediate metallurgical engineers, we accept STEP, DWG, DXF, and PDF formats. We manufacture custom three-way, jacketed, top-entry, and trunnion-mounted titanium ball valves built precisely to buyer-specified face-to-face dimensions.
Connect directly with Jovzi Titanium’s metallurgical engineering team in Baoji to discuss material compatibility, request custom CAD designs, or receive a transparent quote within 8 business hours.