The cost of 304 stainless steel is closely tied to nickel prices on the global market. In early 2026, the cost of 304 stainless steel raw materials rose by approximately 8% compared to the end of 2025, directly pushing up factory gate prices . Fluctuations in these commodities will reflect directly on the final quote.The main Butterfly Valve product names of China Butterfly Valve Network include:Electric Serrate Regulate Butterfly Valve,Extended Hard-sealed Flange Butterfly Valve,Electric Desulfurization Wafer Butterfly Valve,Electric Desulfurization Flange Butterfly Valve,Fire Signal Butterfly Valve,Flange Soft-sealed Butterfly Valve,Flange Insulation Butterfly Valve,Flange Ceramic Hard-sealed Butterfly Valve,Flange Metal Sealed Swing Butterfly Valve.

Sealing Material (EPDM vs. PTFE vs. Metal)EPDM (Rubber Lining): Suitable for water, weak acids, and general purpose. This is the most economical option .PTFE (Teflon): Offers superior chemical resistance and higher temperature tolerance, adding a premium to the cost .Metal Seat (Hard Seal): For high-temperature steam (up to 300°C+) or abrasive media, a hard-sealed design (e.g., D373H) will be more expensive, often starting above 300 RMB .Top-tier brands with ISO 9001 and TS certification (China's special equipment manufacturing license) command a premium of roughly 15% to 20% over non-certified alternatives . While you pay more upfront, it ensures compliance with safety and quality standards.Manual (Lever/Worm Gear):** The prices quoted above.

Electric Actuated:** Adds approximately 800 RMB – 3,000 RMB to the unit cost depending on torque and control features .Pneumatic Actuated: Similar premium to electric, depending on the cylinder size and solenoid valve specifications.

To understand the value, it helps to look at the broader picture. The global market for stainless steel wafer butterfly valves is experiencing steady growth. In 2024, global sales volume reached 26.8 million units** with an average selling price of around $42 USD, and the market is projected to grow at a CAGR of 5.5% through 2031 . Specifically, the wafer rubber-lined butterfly valve segment was valued at USD 372.18 million in 2025, showing consistent demand . This demand stability helps keep the DN50 price relatively consistent, though raw material volatility remains a watch factor.

When you receive a quotation for a Stainless Steel 304 Wafer Butterfly Valve DN50** in 2026, keep the following advice in mind:

1.Clarify Operating Conditions: Confirm the specific medium (water, steam, chemicals), working pressure (PN16 is standard, but PN25 may be required), and temperature range to prevent selection errors .

2.Verify Materials: Request a material test certificate. The market sometimes sees inferior grades (like 201 stainless steel) substituted for 304. Reputable manufacturers should provide mill test certificates .

3.Quantity Discounts: Prices like 100 RMB are usually list prices or "starting from" rates; actual transaction prices for single units are higher, but bulk procurement (e.g., MOQ of 10+ units) can often secure tiered pricing .

4.Check Lead Times:** Standard sizes like DN50 are usually in stock. However, confirm stock availability, especially if you require specific seals like PTFE or specialized ends.

As of 2026, the mainstream transaction price for a Stainless Steel 304 Wafer Butterfly Valve DN50** fluctuates between 150 RMB and 220 RMB for manual models. However, this baseline shifts based on sealing materials, certifications, and actuator type .Always consider the total cost of ownership (TCO): choosing the cheapest valve might lead to higher maintenance costs or premature failure. Balance price with the supplier's reputation, material traceability, and warranty terms to ensure you get the best value for your specific system. For the most accurate, real-time pricing, contact suppliers directly with your detailed technical requirements.Do you still need to know or purchase the following Butterfly Valve products:

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Butt Welded Hard-sealed Butterfly Valve

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Flange Metal Sealed Swing Butterfly Valve