Introduction
The professional range of cast steel ball valves manufactured by Di Nicola provides technologically advanced solutions for reliable fluid isolation and block management across heavy-duty industrial process lines and high-pressure water transmission networks. Engineered in strict accordance with the most demanding international standards including API and ISO, these high-integrity valves guarantee ultimate operational safety through built-in structural design criteria such as blowout-proof stems and anti-static grounding devices. The flexible design matrix allows for precise engineering selections between single-piece, floating, or trunnion-mounted ball configurations matching soft or metal-to-metal seating to deliver absolute zero-leak performance under severe process conditions.
Key Features
High-security Anti-Blowout stem design incorporating an unexposed structural lower shoulder to eliminate blowout hazards caused by internal media pressure when the packing gland or actuator yoke is removed , integrated Anti-static mechanism pairing a metal ball and an internal spring to continuously ground stray electricity generated by fluid friction , Fire Safe double-sealing construction featuring a soft primary seal backed by a secondary metal-to-metal seat to minimize fluid bypass if soft inserts melt during plant fire states certified per API 607 and ISO 10497 parameters , compact One-Piece body structure with reduced bore floating ball design maximizing shell integrity by completely eliminating body joint leak paths , Split Body floating ball configuration with dual supporting seats for enhanced downstream sealing performance , Side Entry Trunnion Mounted pivoting ball models outfitted with specialized internal plates or heavy-duty upper and bottom stem journal bearings to balance massive line thrusts , double block and bleed (DBB) structural capability paired with self-relieving seat functionality , secondary emergency sealant injection check valves located at the seat and stem packer zones for routine or emergency field maintenance , heavy-duty stainless steel pin and key connection profiles ensuring optimized drive torque transmission between stem and ball elements.
Technical Data Table
Applications and Benefits
- Water transmission networks and municipal aqueducts: Delivers time-tested flow block and isolation capabilities under high continuous operating pressure with zero external media emissions;
- Hydropower stations and turbine chamber safety lines: Integrates seamlessly with specialized hydraulic gravity counterweight actuators functioning as quick-closing safety valves or quick-opening bypass units to prevent reservoir draining or roadway washout during pipe-burst emergencies;
- Midstream oilfields, gas pipelines, and petrochemical processing facilities: Strict compliance with API 6D and API 608 specifications paired with advanced fire-safe parameters to keep hazardous process fluids safely contained even during destructive plant fires;
- Cross-country automated fluid infrastructure: Facilitates automated remote monitoring through double-acting hydraulic actuators paired with dedicated oleodynamic power packs, solar panel charging blocks, and magnetic proximity switch feedback for large size valves.
Why Choose Our Products
Di Nicola manufactures ball valves type floating and trunnion mounted alloy carbon steel ASTM 216 WCB / GP 240GH + N and stainless steel with high nickel content ranging in size from 40 to 1200 mm and nominal pressures of 2 , 5 Bar at 100 bar in accordance with EN and ASME pressure classes from 125 PSI to 900 PSI . With the construction according to API 6D , according to API 598 Test and EN 12266-1 , size flanges according to ASME B16.5 , EN 1092-1 and ISO 7005 and spacings between flanges according to DIN 3202 , EN 558-1 , ANSI B16.10 , ends weld ASME B16.25 and certified according to EN 10204 3.1
The precise commercial weight logs, exact envelope dimensions, and torque charts of our cast steel ball valve systems are fully detailed within the catalogue listed below. Contact our engineering division today to specify the optimal material trim, seating configurations, and automated actuation envelope required for your process infrastructure.
