As a leading China carbon steel manual wafer butterfly valve supplier, FTJ Valve delivers heavy-duty, high-performance flow control solutions tailored for demanding industrial piping systems. Manufactured with high-strength carbon steel (WCB) bodies and operated via manual hand lever or worm gear, our wafer butterfly valves ensure dependable shut-off, tight sealing, and smooth torque control across high-pressure and high-temperature environments.
Whether you are managing oil and gas pipelines, power plants, water distribution systems, or industrial processing facilities, sourcing from an established carbon steel manual wafer butterfly valve supplier guarantees superior mechanical strength, prolonged service life, and cost-effective operation.

High-Strength WCB Construction: Cast carbon steel body provides exceptional structural integrity, pressure resistance, and thermal tolerance compared to standard iron valves.
Versatile Manual Actuation: Available with ergonomics-focused hand lever handles for rapid open/close operation, or heavy-duty worm gearboxes for precise throttling in larger valve sizes.
Compact Wafer Connection: Space-saving design installs seamlessly between ASME B16.5 / EN 1092-1 flanges, drastically reducing pipeline weight and installation footprint.
Flexible Sealing Options: Offered in resilient soft seats (EPDM, NBR, PTFE) for bubble-tight sealing or metal-to-metal seats for high-temperature and abrasive slurry media.
Zero-Leakage Assurance: Every unit undergoes rigorous hydrostatic shell testing and seat leak testing in accordance with API 598 and ISO 5208 standards prior to dispatch.

| Feature | Specification Details |
| Size Range | DN50 – DN1200 (2” to 48”) |
| Body Material | Cast Carbon Steel (ASTM A216 WCB) |
| Disc Material | WCB, SS304, SS316, or Ductile Iron with Nickel Plating |
| Operation Type | Manual Hand Lever / Worm Gear Operator |
| Pressure Class | Class 150, Class 300 / PN10, PN16, PN25 |
| Flange Compatibility | ANSI B16.5, DIN PN10/16, JIS 10K/16K |
| Temperature Range | -29°C to +425°C (Depending on seat selection) |
Partnering with a dedicated China carbon steel manual wafer butterfly valve supplier gives your business a distinct competitive edge:
Factory-Direct Pricing: Eliminate intermediary costs and profit from factory-direct wholesale rates that maximize your project margins.
Custom B2B Solutions (OEM/ODM): Custom seat materials, specialized anti-corrosion coatings, custom stem extensions, laser engraving, and custom packaging.
Global Quality Certifications: Fully compliant with ISO 9001 quality management standards, CE certification, and API testing guidelines.
Fast Delivery & Reliable Inventory: Streamlined manufacturing workflows and structured stock management ensure prompt delivery for time-critical engineering contracts.
Our manual carbon steel wafer butterfly valves are widely deployed in key global industries, including:
Petroleum Refining & Petrochemical Plants
Power Generation & Thermal Energy Systems
Industrial Water Supply & Wastewater Handling
HVAC & District Cooling Systems
Mining, Slurry, and General Process Automation
Partner with a verified china carbon steel manual wafer butterfly valve supplier for your next infrastructure project. Contact FTJ Valve's engineering team today to receive detailed technical datasheets, CAD models, or an immediate competitive quote.