The main control valve product names of China Control Valve Network include:Peumatic triple eccentric butterfly valve,Pneumatic diaphragm control valve,Pneumatic diaphragm signle seat, sleeve control valve,Pneumatic diaphragm tee confluence,shunt control valve,Pneumatic fluorine lined cutting off(regulative)butterfly valve.

1. Market Price Analysis for 2026 (DN50/PN16)

As of early 2026, the pricing for a DN50 SS304 control valve fluctuates based on actuation and certification. Below are the estimated price ranges:

Pneumatic Actuated Type: $450 – $750 USD per unit.

Electric Actuated Type: $600 – $1,200 USD per unit.

High-Precision/Explosion-Proof Models: $1,500+ USD (depending on positioner complexity).

2. Key Factors Influencing Your Quotation

To get an accurate quote, consider the following technical drivers that impact the final cost:

Actuation System: Pneumatic diaphragm actuators are favored for their fail-safe capabilities and rapid response, whereas electric actuators are ideal for sites without compressed air.

Pressure Ratings: A standard PN16 or Class 150 valve is the baseline. Upgrading to PN40 or Class 300 requires thicker wall castings and specialized trim materials, increasing costs by 20-30%.

Trim & Seal Material: While the body is SS304, the seat and plug material (Soft seal vs. Hard seal) significantly affects the price. Stellite-faced hard seats are necessary for high-temperature or abrasive media.

Smart Positioners: Integrating intelligent positioners (e.g., Siemens, Azbil, or high-end domestic brands) ensures high accuracy but adds a premium to the initial investment.

3. Engineering Checklist: Choosing the Right DN50 Valve

To ensure long-term performance and ROI, verify these specifications before finalizing your purchase:

Flow Coefficient (Cv/Kv): Does the DN50 size provide the required flow capacity for your specific pressure drop?

Compliance & Certification: For international projects, ensure the valves meet ISO 9001, CE (PED), or region-specific standards like TR CU (EAC) for Eurasian markets.

Material Integrity: Always request a Material Test Report (MTR) to verify the Chromium and Nickel content of the SS304 casting.

Conclusion

The price of a DN50 SS304 single-seated control valve in 2026 is a reflection of its technical configuration. For the most competitive quote, provide your supplier with a full data sheet including media type, temperature range, and inlet/outlet pressure.

Do you still need to know or purchase the following control valve products:

• Self-reliance electric temperature regulator
• Self-reliance flow regulator
• self-reliance micro-pressure regulator
• Self-reliance pressure differential regulator
• Self-reliance pressure regulator
• Self-reliance temperature regulator

2026-04-10

Back