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Premium Industrial Valves for Global Industries

Manufactured by Zhejiang FLOWTECH Machinery Co., Ltd. — delivering high-performance ball valves, gate valves, check valves, and more with precision engineering and global compliance.

Industrial Valve Assembly
Zhejiang FLOWTECH Machinery Facility

About Zhejiang FLOWTECH Machinery

Zhejiang FLOWTECH Machinery Co., Ltd. is a leading manufacturer of industrial valves based in China, specializing in high-quality valve solutions for oil & gas, petrochemical, power generation, water treatment, and marine industries.

With advanced production facilities and a commitment to innovation, FLOWTECH delivers reliable, durable, and compliant valve systems trusted by clients worldwide. Our products meet international standards including API, ANSI, DIN, JIS, and GB.

15+

Years Experience

60+

Countries Served

Our Valve Products

Engineered for performance, durability, and safety — our comprehensive range of industrial valves meets the highest global standards.

Floating Ball Valve

Floating Ball Valve

  • Size: DN15-DN200
  • Pressure: PN16 to PN100
  • Material: WCB, SS304, SS316
  • Standards: API 6D, API 608

Ideal for on/off control in oil, gas, and chemical pipelines.

Trunnion Ball Valve

Trunnion Ball Valve

  • Size: DN50-DN1200
  • Pressure: Class 150 to 2500
  • Material: Carbon Steel, Stainless Steel
  • Design: Double Block & Bleed

High-pressure applications with superior sealing and low torque.

Gate Valve

Rising Stem Gate Valve

  • Size: DN50-DN600
  • Pressure: Class 150-900
  • Material: WCB, LCB, CF8M
  • Standard: API 600, API 6D

Full port design for minimal pressure drop in flow systems.

Check Valve

Dual Plate Check Valve

  • Size: DN50-DN1200
  • Pressure: PN10-PN40
  • Material: Ductile Iron, Carbon Steel
  • Type: Wafer, Lug

Prevents backflow with low cracking pressure and compact design.

Butterfly Valve

Triple Offset Butterfly Valve

  • Size: DN50-DN1600
  • Pressure: Class 150-600
  • Sealing: Metal-to-Metal
  • Standard: API 609

Zero leakage design for critical high-temperature applications.

Globe Valve

Globe Valve

  • Size: DN15-DN300
  • Pressure: Class 150-600
  • Material: WCB, CF8, CF8M
  • Application: Flow Regulation

Precise throttling control with linear flow characteristics.

Plug Valve

Lubricated Plug Valve

  • Size: DN25-DN300
  • Pressure: Class 150-900
  • Material: Carbon Steel, Alloy Steel
  • Sealing: Grease-Injected

Excellent for slurry and abrasive media with tight shut-off.

Safety Relief Valve

Safety Relief Valve

  • Size: DN25-DN200
  • Set Pressure: 10-100 bar
  • Standard: ASME, API 526
  • Material: SS316, Alloy 625

Protects systems from overpressure with fast response and reliability.

Why Choose ValveYard?

From design to delivery, we ensure every valve meets the highest standards of quality, performance, and safety.

Certified Quality

API, ISO, CE, and ASME certified manufacturing processes ensure compliance and reliability.

Industrial Grade

Built for extreme conditions — high pressure, temperature, and corrosive environments.

Global Support

Distributed in over 60 countries with technical support and after-sales service.

Custom Solutions

OEM/ODM services available with custom materials, sizes, and actuation options.

500K+

Valves Delivered

60+

Countries

99.8%

Reliability Rate

15+

Years in Market

Frequently Asked Questions

Get in Touch

For product inquiries, technical support, or custom solutions, visit the official ValveYard website to connect with the Zhejiang FLOWTECH team.

Visit Official Website

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