Manual Turbo Butterfly Valve DN125 Price – Adjustable Flow Rate
The manual turbo butterfly valve DN125 has become a widely adopted solution for applications requiring reliable flow regulation, combining the simplicity of manual operation with the mechanical advantage of a worm gear drive. This article provides a comprehensive price reference for 2026 and outlines the critical selection parameters for this versatile flow control valve.The main Butterfly Valve product names of China Butterfly Valve Network include:Flange Ceramic Hard-sealed Butterfly Valve,Flange Metal Sealed Swing Butterfly Valve,Groove Butterfly Valve,Hydraulic Control Butterfly Valve,Hydraulic Control Check Butterfly Valve,High Temperature Butterfly Valve,JIS Three Eccentric Hard-sealed Flange, Wafer Butterfly Valve,Lug Butterfly Valve.
2026 Price Reference for Manual Turbo Butterfly Valve DN125
As of 2026, the market price of a manual turbo butterfly valve DN125 varies significantly based on material grade, sealing type, and brand. Based on current market data, the price generally falls within the range of ¥380 to ¥1,200 RMB (approximately $52 to $165 USD) .
Economy-grade models with cast iron bodies and rubber soft seals are priced in the ¥380 to ¥600 RMB range. These are suitable for general water and mild media applications where operating conditions are moderate .
Mid-range models featuring ductile iron bodies (QT450) with epoxy coating range from ¥550 to ¥800 RMB. This material grade offers improved strength and corrosion resistance compared to standard cast iron . A specific ductile iron turbo butterfly valve DN125 from a branded manufacturer is priced at approximately ¥1,348 RMB .
Premium models with stainless steel construction (304 or 316) command the highest prices, typically ¥900 to ¥1,200 RMB or higher. Stainless steel bodies provide superior corrosion resistance for chemical, pharmaceutical, and marine applications . For specialized configurations such as lined or hard-sealed versions, prices can exceed ¥1,200 RMB, with some suppliers listing D343H-6C DN125 models at approximately ¥1,200 RMB and D341F4-16C DN125 lined valves in the same range .
It is important to note that these are reference prices. The final transaction cost depends on several factors including the specific material grade, sealing material, disc material, and brand .
Key Factors Influencing the Price of DN125 Manual Turbo Butterfly Valves
Understanding what drives the cost of a manual turbo butterfly valve is essential for making an informed procurement decision.
Valve Body Material
The choice of body material is the most significant cost factor. Cast iron offers adequate strength for general water applications at the most economical price point. Ductile iron (QT450) provides higher strength and better impact resistance, with a moderate price premium. Stainless steel (304/316) offers superior corrosion resistance for aggressive media but commands a substantial price premium of 50% to 100% over cast iron alternatives .
Sealing Material
The seal type directly impacts both performance and cost. Rubber soft seals (EPDM/NBR) are the most economical and suitable for water and mild chemicals at temperatures up to 120°C. PTFE seals offer superior chemical resistance and a broader temperature range but are more expensive . For high-temperature applications up to 400°C, hard-sealed (metal-to-metal) designs are available but command premium pricing .
Disc Material
The butterfly disc material significantly affects corrosion resistance and service life. Galvanized steel or coated discs are the most economical. Stainless steel discs provide superior corrosion resistance and can increase the valve price by 30% to 50% .
Turbo Actuator Features
The turbo actuator provides mechanical advantage and self-locking capability. Standard models include an open/close limit indicator. Optional features such as explosion-proof handwheels or locking devices add to the cost .
Verify compliance with standards – Confirm that the valve complies with GB/T 12238 standards or equivalent international standards to ensure quality and reliability .
Consider the disc material – For corrosive or high-purity media, specify stainless steel discs despite the higher cost, as they provide longer service life and reduced maintenance .
Request quality documentation – For critical applications, ask for material test certificates, hydrostatic test reports, and pressure test documentation to verify compliance with your specifications.
Compare multiple quotes – Prices vary significantly between domestic and imported brands, and between different material grades. Obtain proposals from at least three manufacturers with your complete technical specifications .
The manual turbo butterfly valve DN125 is a proven solution for flow regulation applications, offering precise control, self-locking stability, and cost-effective operation across a wide range of industrial processes. As of 2026, prices range from approximately ¥380 to ¥1,200 RMB for manual models, with the final cost determined by body material (cast iron, ductile iron, or stainless steel), seal type (EPDM, NBR, or PTFE), disc material, and brand.
When selecting this valve for flow regulation applications, pay careful attention to the medium compatibility, pressure and temperature ratings, connection standards, and disc material. For the most competitive and accurate pricing, contact manufacturers directly with your complete technical specifications and request detailed material information. Investing in a correctly specified manual turbo butterfly valve is an investment in the flow control precision, operational efficiency, and reliability of your process systems.
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