Welcome to FlowBiz Exports, a premier destination for manufacturing excellence in fluid isolation and control infrastructure. Based in the active industrial hub of Amreli, Gujarat, we are a leading manufacturer, supplier, trader, and global exporter of high-performance Carbon Steel Butterfly Valves.
Engineered for absolute reliability, our butterfly valves leverage a low-torque, quarter-turn ($90^\circ$) rotational design to start, slow, or completely isolate fluid streams. By combining high-tensile carbon steel metallurgy with a space-saving concentric body profile, we deliver exceptionally lightweight, cost-effective, and robust fluid handling solutions to clients across India and international markets.
Our carbon steel butterfly valves are engineered to drop seamlessly into standard pipeline arrays, minimizing both the spatial footprint and the overall structural support required by your piping network.
| Parameter | Product Engineering Specifications |
| Body Construction | Heavy-Duty Cast Carbon Steel (WCB / LCB / LCC) |
| Disc Metallurgy | Premium Stainless Steel (SS304 / SS316) or Coated Ductile Iron |
| Sealing Seat / Liner | High-Grade Resilient Elastomers (EPDM, Nitrile/NBR, Viton) or PTFE |
| Body Shape Profile | Concentric Round Wafer or Lugged Geometry |
| Pressure Capabilities | Optimized for rigorous medium-to-high pressure industrial utilities |
| Operation Control | Multi-position Manual Hand-Lever or Enclosed Worm Gearbox |
| Exterior Protective Finish | High-visibility, corrosion-resistant industrial sky-blue epoxy coating |
| Testing Compliance | 100% hydrostatically and pneumatically tested to API 598 standards |
Forged and cast from premium carbon steel, our valve bodies possess immense structural strength, superior yield tension, and outstanding resilience against pipeline deflection and mechanical stresses. This ensures long-term structural stability under demanding, high-pressure processing conditions.
Every valve is finished with a specialized, heavy-duty industrial sky-blue epoxy coating. This advanced surface treatment provides excellent resistance against atmospheric corrosion, chemical splashes, and marine environment oxidation, while serving as an instant visual identification asset for plant operators.
Featuring a concentric disc that rotates smoothly on a heavy-duty stainless steel stem, our valves require significantly lower operating torque compared to standard gate or globe valves. This quick $90^\circ$ manual actuation allows for rapid isolation and reduces localized friction wear along the resilient elastomeric seating boundary.
FlowBiz carbon steel butterfly valves are highly sought after across major process lines and utility systems, including:
Industrial Cooling Water & HVAC: Managing large-volume cooling tower loops, raw water intake, and factory chilling lines.
Chemical Processing & Utilities: Safely containing air, non-reactive gases, and chemical process water.
Vacuum & Compressed Air Systems: Maintaining system pressure integrity in dense pneumatic networks.
Fire Protection Infrastructure: Providing reliable, rapid-response isolation in high-volume fire suppression manifolds.
Slurry & Suspended Solids Handling: Transporting mild process effluents, paper pulp, and non-abrasive liquid-solid mixtures.
A: Butterfly valves are significantly more compact, have a much shorter face-to-face dimension, and weigh a fraction of what a ball or gate valve of the same nominal diameter weighs. This eliminates the need for expensive structural pipe hangers, lowers freight costs, simplifies installation, and offers a highly economical alternative for large-diameter pipelines.
A: Production begins with sourcing certified, high-grade carbon steel castings. The raw housings undergo precision machining on advanced CNC equipment to establish tight tolerance zones for the stem and seating area. After assembly with a premium stainless steel disc and choice liner, the valve receives its signature sky-blue protective coating and undergoes strict API 598 hydro-testing for shell and seat integrity.
A: Yes, our manual valves feature a notch-indexed hand lever or gear operator that allows the disc to be locked at specific angular intervals to slow or modulate flow. However, for continuous high-velocity micro-throttling under extreme pressure drops, we recommend consulting our technical team to avoid localized seat cavitation and disc erosion.
A: A circular or round pressure vessel body distributes internal hoop stress uniformly across its entire circumference. This geometric advantage eliminates localized weak spots or stress-concentration zones, allowing our carbon steel housings to handle high-pressure hydraulic shocks safely without warping or cracking.
A: Because our valves are precision-engineered with few moving parts, maintenance is exceptionally low. We recommend executing a routine preventive schedule that includes cleaning external surfaces, lubricating the manual hand-lever or gear pivot points, and occasionally cycling valves that are left in a fixed open or closed position for months to clear out pipeline scale.
A: Sourcing can be initiated by contacting our Amreli sales headquarters directly through our official phone lines or digital web portal. Our technical application engineers will assist you with valve sizing, material selection, and pressure-rating validation, providing comprehensive technical drawings alongside direct-from-factory, competitive B2B pricing.
Are you designing a new water treatment layout or upgrading a high-pressure chemical utility line? Contact our Amreli sales office today to receive comprehensive technical datasheets and a personalized project quotation.

Price:
Price 800 INR / Unit
Minimum Order Quantity : 1 Number
Usage : Construction
Size : All size
Power Source : Manual
Material : Cast Iron
Price 28000 INR / Unit
Minimum Order Quantity : 1 Unit
Usage : Industrial
Size : Different Available
Material : Stainless Steel
Price 400 INR / Unit
Minimum Order Quantity : 1 Unit
Usage : Industrial
Size : Different Available
Power Source : Pneumatic
Price 2000.00 INR / Unit
Minimum Order Quantity : 1 Number
Usage : Industrial
Size : 12 inch
Power Source : Manual
Material : Stainless Steel