Pressure-seal gate valve for high temp & high pressure working conditions

Pressure‑seal gate valve is one of mainly hot sales product of ZheJiang ZhengFeng valves,pressure‑seal gate valve has self‑energizing bonnet sealing structure. As the working medium pressure increases, the sealing force automatically strengthens, achieving dependable tight shut‑off under rigorous high‑pressure and high‑temperature operating conditions.

Constructed from high‑strength forged materials and equipped with hard‑faced sealing surfaces, the valve features robust structural integrity, strong corrosion resistance and extended service life. Manufactured in compliance with international standards including API 600 and ASME B16.34, it serves critical applications across petrochemical, oil & gas, power generation and other heavy‑duty industrial sectors.

Our team keeps optimizing product performance and cost structure, aiming to bring more value‑driven valve solutions for global industrial partners.