Welcome to FlowBiz Export Private Limited, an established engineering benchmark for high-pressure fluid containment, absolute pipeline isolation, and heavy-duty industrial utility management. Operating advanced forging cells and pressure-testing facilities, we are India's premier manufacturer, supplier, and global exporter of high-integrity API 602 Forged Steel Gate Valves.
With a primary manufacturing and distribution hub serving Vadodara, Gujarat, our logistics network seamlessly satisfies high-pressure infrastructure projects across the entire domestic marketincluding Ahmedabad, Vapi, Surat, Mumbai, Pune, Thane, and Chennaialongside dedicated freight lines for international export.
FlowBiz Forged Steel Gate Valves are designed strictly to API 602 and ASME B16.34 standards. By forging premium grain-aligned carbon steel under extreme heat and mechanical pressure, we eliminate internal porosity, casting voids, and structural weak points, ensuring maximum safety margins in high-pressure water grids and process pipelines.
| Engineering Parameter | Certified Product Specifications & Compliance |
| Design Standards | Fully compliant with API 602, ASME B16.34, and BSEN ISO 15761 |
| Testing Standards | 100% hydrostatically and pneumatically verified to API 598 codes |
| Standard Sizing Spectrum | Compact small-bore range: " to 2" (15 mm to 50 mm) |
| Pressure Class Ratings | Class 800# / Class 1500# / Class 2500# |
| Body Metallurgy (MOC) | Premium Forged Carbon Steel (ASTM A105) / Forged Stainless Steel |
| Surface Treatment | Anti-corrosive, industrial black manganese phosphating layer |
| Trim Configuration | Hardened Stainless Steel wedge and seats overlaid with Stellite |
| End Connection Profiles | Flanged (ASME B16.5 RF), Socket Weld (ASME B16.11), or Screwed NPT |
| Actuation Mode | Ergonomic Multi-Turn Manual Handwheel (Outside Screw & Yoke) |
Unlike standard cast steel valves that can suffer from hidden cooling defects or sub-surface pinholes under high fluid pressure, FlowBiz valve bodies are forged from solid steel billets. This alters the internal grain structure of the metal to follow the exact contours of the valve body, giving it exceptional resistance to volumetric expansion and localized piping fatigue.
Engineered strictly as a bi-directional ON/OFF isolation asset, our valves feature a precision-ground, tapered solid wedge that glides vertically between matching body seats. When closed, the wedge seals tightly against the seats to stop fluid movement. Because the gate retracts completely out of the path when fully open, it creates a straight-through bore with near-zero fluid resistance (Cv) and minimal head loss.
Our high-pressure gate valves feature an OS&Y architecture that keeps the critical stem actuation threads entirely outside the pressurized body and bonnet housing. This shields the stem lubrication from extreme process water temperatures and pipeline scaling, ensuring smooth, low-torque manual operation over decades of service.
Flanged Ends (ASME B16.5): Welded or integrally forged flanges provide a highly rigid mechanical connection that simplifies inline gasket inspection and quick valve replacement during system upgrades.
Socket Weld Ends (ASME B16.11): Eliminates mechanical fasteners entirely, fusing the valve directly into the pipeline to create a permanent, zero-leakage joint that easily absorbs severe piping vibrations.
FlowBiz API 602 forged steel gate valves are specified across heavy-duty utility networks throughout India:
High-Pressure Industrial Water Pipelines: Main water intake manifolds, high-pressure boiler feed lines, and plant utility isolation loops.
Power Generation & Processing Facilities: High-temperature condensate lines, auxiliary cooling tower circuits, and turbine drain isolation.
Chemical & Petrochemical Processing: Volatile hydrocarbon transfer lines, hazardous chemical feeds, and refinery mixing manifolds.
Oil & Gas Infrastructure: High-pressure gas headers, storage tank isolation, and distribution manifold terminals.
A: Gate valves are strictly designed for binary ON/OFF isolation. When a gate valve is left partially open to throttle fluid, the high-velocity stream strikes the bottom of the exposed wedge, creating severe fluid turbulence and vibration. This rapidly causes chattering, scores the sealing faces, and destroys the valve's ability to achieve an API 598 leak-proof shut-off when closed. For throttling applications, FlowBiz Forged Steel Globe Valves must be specified.
A: In high-humidity industrial plants and coastal processing zones across India, unprotected carbon steel oxidizes rapidly. Instead of temporary cosmetic paints, FlowBiz applies a heavy-duty black manganese phosphating conversion layer. This chemical treatment deeply penetrates the forged steel surface, providing excellent corrosion resistance and preventing atmospheric rust while providing a rugged industrial finish.
A: Installation requires aligning the valve flanges parallel with the corresponding pipeline flanges. A high-durability gasket must be centered between the faces to seal the joint. High-tensile fasteners are then inserted and tightened in a progressive cross-star pattern using a torque wrench. This ensures uniform compression across the gasket face and prevents localized stress concentrations that could warp the pipeline joints.
A: Flanged connections are preferred for modular piping arrays where valves must be periodically removed for maintenance or system changes. However, for Class 1500# and 2500# systems exposed to continuous mechanical vibration, high pressure spikes, or thermal cycling, Socket Weld connections are preferred. Welding eliminates thread crevice corrosion and removes all mechanical leak paths, ensuring absolute structural safety.
A: Procurement teams, EPC contractors, and traders can contact our dedicated corporate sales divisions through our web portal or official phone lines. Our technical application desk provides complete submittal supportincluding detailed dimensional drawings, pressure-temperature rating charts, and certified material test reports (MTRs)ensuring you receive a highly competitive quote backed by factory-direct B2B pricing.
Are you optimizing an industrial high-pressure water main or upgrading an isolation manifold at a chemical processing plant? Contact our sales office today to receive complete technical data sheets, certified structural blueprints, and an itemized commercial proposal.

Price:
Price 7000 INR / Unit
Minimum Order Quantity : 1 Unit
Usage : Industrial
Size : Different Available
Color : Blue
Material : Aluminum
Price 3000.0 INR / Piece
Minimum Order Quantity : 1 Number
Usage : Industrial
Size : Standard Sizes
Color : Silver
Material : Stainless Steel
Price 600.0 INR / Piece
Minimum Order Quantity : 1 Piece
Usage : Industrial
Size : 1/2" to 16"
Color : Silvar
Material : Carbon Steel
Price 1500.0 INR / Number
Minimum Order Quantity : 1 Number
Usage : Industrial
Size : 50 mm
Color : Gray
Material : Carbon Steel