Welcome to FlowBiz Export Private Limited, a certified manufacturing authority for high-integrity pipeline containment, hydrocarbon transportation grids, and full-bore isolation infrastructure. Operating heavy metallurgical foundries, automated precision forging complexes, and certified high-pressure hydrostatic testing cells in Pune and Ahmedabad, we stand as India's premier manufacturer, supplier, and global B2B exporter of industrial API 6D Gate Valves.
Our linear-motion gate valves are specifically engineered for full-port, low-friction fluid isolation in oil and gas transmission lines, refinery headers, and heavy industrial utility circuits. From our primary logistics footprint and technical sales hub in Maharashtra, we seamlessly support critical processing networks across India's key industrial corridorsincluding Pune, Ahmedabad, Vapi, Valsad, Surat, Gandhidham, Kutch, Ankleshwar, Bharuch, Mumbai, Nashik, Thane, Aurangabad, Satara, Sangli, Nagpur, Kolhapur, Indore, Dewas, Bhopal, Chennai, Coimbatore, and Salembacked by fast-tracked global logistics for direct project export worldwide.
FlowBiz API 6D Gate Valves utilize a robust full-bore architecture where a wedge-shaped gate disc moves perpendicular to the pipeline flow path. When fully raised, the gate lifts completely out of the fluid channel, leaving the port perfectly clear to provide unrestricted bidirectional flow with zero turbulence and a near-zero pressure drop.
| Engineering Parameter | Certified Product Specifications & Compliance Codes |
| Design Standards | Fully compliant with API 6D, API 600, ASME B16.34, and ISO 14313 |
| Testing Standards | 100% hydrostatically, pneumatically, and fire-tested to API 6D / API 598 |
| Sizing Envelope Array | Full manufacturing matrix: 2" to 24" (50 mm to 600 mm) (Larger sizes available) |
| Pressure Class Ratings | Comprehensive coverage: ASME Class 150# through Class 2500# |
| Wetted Process Media | Highly versatile configuration for Air, Liquid, and Gas systems |
| Body Shell Metallurgy | Carbon Steel (WCB/WCC), Stainless Steel (CF8M), or High-Tensile Ductile Iron |
| Internal Seating Trim | 13% Cr Steel Facing / Hardfaced Co-Cr Alloys matching API Trim specifications |
| Stem Design Profile | Outside Screw and Yoke (OS&Y) / Rising Stem configuration |
| End Connection Interface | Precision-Machined Flanged Ends (ASME B16.5) or Butt-weld Ends (ASME B16.25) |
| External Shell Coating | Polished, High-Visibility Pristine White Weather-Proof Protective Finish |
| Operational Drive | High-Leverage Manual Handwheel / Bevel Gear Box / Actuator Ready |
To safely contain high-pressure surges, physical pipe-hanging loads, and thermal expansion stresses, our valve pressure boundaries are cast from robust carbon steel, stainless steel, or high-tensile ductile iron. This advanced material selection provides exceptional yield strength, structural elasticity, and impact resistance. The exterior features a polished white finish that provides excellent surface protection and ensures clear asset identification within complex industrial facilities.
Standard utility valves often introduce internal turbulence and significant pressure drops due to restricted internal paths. FlowBiz gate valves feature a straight-through, full-bore layout that allows the media to flow in either direction without restriction. When the valve is turned to the fully open position, the wedge disc lifts completely out of the line, leaving the port perfectly clear. This results in near-zero flow resistance and enables seamless pigging operations in pipeline manifolds.
Our internal seating interfaces and moving parts are precision-machined and finished with a friction-reducing surface polish. This ultra-smooth finish prevents the accumulation of scale, reduces operating torque during manual cycling, and protects the seating faces from abrasive wear. This design ensures consistent, long-term sealing performance and minimizes regular plant maintenance frequency.
Equipped with an ergonomic, high-leverage manual handwheel or an enclosed bevel gear operator, our valves provide highly dependable control for on-off isolation. This independent manual setup is ideal for applications requiring precise hands-on control where automated systems are unnecessary or impractical, allowing for straightforward process management while keeping initial hardware purchasing costs very low.
FlowBiz high-performance API 6D gate valves are specified across primary distribution networks:
Oil & Gas Mainlines & Terminals: Crude oil transport lines, natural gas transmission mains, custody transfer manifolds, and scraper launcher/receiver stations.
Petrochemical Refineries & Hydrocarbon Loops: Hydrocarbon transit grids, volatile gas processing lines, high-pressure steam headers, and tank farm isolation gates.
Power Generation Utilities: Main fuel oil burner feed loops, high-pressure cooling water networks, and auxiliary thermal isolation circuits.
Heavy Industrial Processing Lines: Central utility air distribution headers, high-pressure industrial gas lines, and factory water supply manifolds.
A: Because our valves feature a symmetrical full-bore design, they provide absolute bidirectional isolation, meaning they can be installed with flow moving in either direction. Technicians must position the flange-type connections cleanly between the matching pipeline flanges, ensuring that the piping is straight and parallel. A high-quality, pressure-rated gasket must be centered between the sealing surfaces, and standard structural bolts inserted. Operators must tighten these bolts progressively in an alternating cross-star pattern to distribute the clamping torque evenly, achieving a secure, leak-proof mechanical joint.
A: Transmission lines require routine internal cleaning and wall-thickness inspections using automated tools called "pigs." A Full-Bore Gate Valve provides an internal port diameter that perfectly matches the inner diameter of the connecting pipeline. When fully opened, the gate withdraws entirely from the flow path, creating a perfectly smooth, unobstructed conduit that allows the inspection pig to pass through safely without hitting internal components or disrupting system pressure.
A: Standard gray cast iron is brittle; sudden pipeline pressure spikes, thermal expansions, or water hammer forces can cause catastrophic casing cracks. Ductile Iron incorporates a nodular graphite microstructure that gives the metal excellent yield strength, high impact resistance, and structural flexibility. This allows the valve shell to deform slightly under extreme stress rather than fracturing, providing a highly reliable, cost-effective alternative to carbon steel for demanding medium-pressure applications.
A: Yes. Our standard valves are equipped with high-leverage manual handwheels and rising stems for dependable manual operation. However, the valve bonnet and yoke feature an industry-standard interface. If your facility transitions to automated control loops or requires remote emergency isolation, your maintenance team can unbolt the manual yoke assembly and mount a pneumatic diaphragm cylinder, hydraulic piston, or an electric multi-turn actuator directly onto the existing valve stem without removing the valve body from the pipeline.
A: Sourcing can be initiated by contacting our corporate sales and engineering division in Pune, Maharashtra, or Ahmedabad, Gujarat. Our technical staff will guide you through a comprehensive consultationassessing your precise nominal pipeline dimensions (2 in to 24 in), preferred pressure classification (Class 150# to 2500#), body material grade (Ductile Iron, Carbon Steel, or Stainless Steel), explicit fluid media properties (air, liquid, or gas), and preferred end connections (Flanged vs. Butt-weld)to deliver a certified technical product submittal data sheet and an itemized commercial proposal with factory-direct B2B pricing.
Are you optimizing a high-pressure hydrocarbon transmission mainline or upgrading an industrial facility cooling water header? Contact our Pune sales and engineering office today to receive complete technical data sheets, certified structural blueprints, and an itemized commercial proposal.

Price:
Price 900.0 INR / Pack
Minimum Order Quantity : 1 Pack
Material : Other , Forged Steel
Size : 1/2"
Surface : Polished
Usage : Industrial
Price 3500.0 INR / Piece
Minimum Order Quantity : 1 Piece
Material : Cast Iron
Size : 1/2"14"
Surface : Polished
Usage : Industrial
Price 3000.0 INR / Piece
Minimum Order Quantity : 1 Number
Material : Stainless Steel
Size : Standard Sizes
Usage : Industrial
Price 2000.0 INR / Number
Minimum Order Quantity : 1 Number
Material : Cast Iron
Size : 1/2"14"
Surface : Polished
Usage : Industrial