Reliable Gate Valve Manufacturer – Brass, Stainless Steel & Lockable Models | Haoji Fluid

When it comes to full-port, bi-directional shut-off in water supply, HVAC, fire protection, or industrial piping systems, gate valves remain the gold standard—but only when built with precision, durable materials, and strict quality control.

At Zhejiang Haoji Fluid Technology Co., Ltd., we specialize in manufacturing a comprehensive range of gate valves that meet international performance and safety standards. Located in Yuhuan City—China’s renowned “Valve Capital”—our 30,000+ sqm factory produces over 50 models of gate valves, including:

  • Brass Gate Valve – ideal for residential plumbing
  • Flanged Gate Valve – for high-pressure pipelines
  • Cast Steel Gate Valve and Stainless Steel Gate Valve – for corrosive or high-temperature environments
  • Soft Sealing Gate Valve – zero-leakage with EPDM/NBR seat
  • Hard Seal Gate Valve – metal-to-metal sealing for steam or abrasive media
  • Rising Stem Soft Sealing Gate Valve and Rising Stem Hard Seal Gate Valve
  • Non-Rising Stem Soft Sealing Gate Valve and Non-Rising Stem Hard Seal Gate Valve
  • Lockable Gate Valve, Magnetic Lockable Gate Valve, and Brass Magnetic Lockable Gate Valve
  • Magnetically Lockable Meter-Lead Gate Valve and Magnetically Lockable Union Gate Valve
  • Brass Union Gate Valve, Mechanical Lockout Gate Valve, Maintenance Free Gate Valve, and Magnetic Gate Valve
  • Specialty stainless steel models: Stainless Steel Soft Seal Flange Rising Stem Gate Valve, Stainless Steel Soft Seal Flange Non-Rising Stem Gate Valve, Stainless Steel Soft Seal Groove Gate Valve, and Stainless Steel Soft Seal Flange Densified Gate Valve

All products are engineered for drinking water safety, gas isolation, district heating, and industrial fluid control—backed by global certifications.

Why Global Buyers Trust Haoji Fluid for Gate Valves?

Certified Quality: Our gate valves comply with ISO 9001:2015, ISO 14001:2015, EU CE, France ACS (for potable water), Germany DAkkS, CQC, BSCI, and hold official Health License for Imported Drinking Water Products. Every valve is 100% pressure tested in our international-standard lab and insured by China Ping An Insurance.

Advanced Manufacturing: We use high-purity copper alloys and stainless steel, processed on equipment imported from Germany, Italy, and Taiwan. Our in-house QC team ensures consistent performance across all batches.

Custom Solutions: With over 30 R&D engineers, we support OEM/ODM projects—including custom threads (NPT/BSP), magnetic locking systems, laser marking, and special coatings.

Our Commitment to Excellence

Guided by our corporate mission—“Let innovative technology and high-end quality serve every family!”—we combine decades of copper valve expertise with modern engineering. Our core values include responsibility, integrity, innovation, passion, focus, persistence, service, and win-win partnership.

Vision: To become a leading brand in the global fluid control industry.

Contact Us Today

Whether you need standard brass gate valves or specialized stainless steel lockable models, Zhejiang Haoji Fluid offers competitive pricing, flexible MOQ, fast delivery, and full certification support. Reach out for product catalog, test reports, or samples!

Engineered in Yuhuan. Trusted worldwide.