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KOZO Valve — Zhejiang Kozo Valve Co., Ltd.
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KOZO Valve — Zhejiang Kozo Valve Co., Ltd.
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Blog

Pneumatic flange ball valve
28 Oct
Blog

Pneumatic Ball Valve Actuator Sizing: Why Minimum Air Pressure Matters

  • October 28, 2026
  • By author-avatar KOZO VALVE

A practical guide to checking minimum air pressure, valve torque, spring-return duties and pneumatic accessories before selecting an actuator or diagnosing a stalled ball valve.

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KOZO non-slam axial flow check valve
27 Oct
Blog

Check Valve Slam After Pump Shutdown: Causes, Diagnosis and Selection

  • October 27, 2026
  • By author-avatar KOZO VALVE

A practical guide to diagnosing check valve slam after pump shutdown, reviewing minimum flow and installation, and choosing a valve with suitable closing characteristics.

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Working principle of hydraulic control valve
12 Jul
Blog

Complete Guide to the Working Principles of Hydraulic Control Valves

  • July 12, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
Complete Guide to the Working Principles of Hydraulic Control ValvesWhat is a hydraulic control valve? Hydraulic control valv...

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Ball valve working principle
12 Jul
Blog

What is a ball valve? A comprehensive analysis of its working principle, classification, and application scenarios.

  • July 12, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
What is a ball valve? A comprehensive analysis of its working principle, classification, and application scenarios.What is a b...

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KOZO Fixed ball valve
29 May
Blog

In-depth application of large-diameter fixed ball valves in the petrochemical industry

  • May 29, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
In-depth application of large-diameter fixed ball valves in the petrochemical industry The petrochemical industry has complex pro...

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Fixed ball valve
29 May
Blog

Large-diameter fixed ball valves: reliable “gatekeepers” in high-pressure pipelines.

  • May 29, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
Large-Diameter Fixed Ball Valves: Reliable "Goalkeepers" in High-Pressure Pipelines🔧 Features + 🏭 Applications | Understanding...

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Q41H hard-seal ball valve, WCB valve body, PN16 flange connection.
27 May
Blog

Selection Guide: How to Choose the Right High-Pressure Forged Steel Ball Valve?

  • May 27, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
Selection Guide: How to Choose the Right High-Pressure Forged Steel Ball Valve? High-pressure forged steel ball valve...

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All-welded ball valve
27 May
Blog

Q61F All-Welded Ball Valve: A Robust and Durable Guardian for Industrial Fluid Pipelines

  • May 27, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
Q61F All-Welded Ball Valve: A Robust and Durable Guardian for Industrial Fluid PipelinesThe Q61F all-welded ball valve feature...

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gate valve
27 May
Blog

API 600 Gate Valves

  • May 27, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
API 600 Gate ValvesAPI 600 is a design and manufacturing standard for steel gate valves developed by the American Petroleum In...

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Eccentric hemispherical valve
27 May
Blog

API 6D Ball Valves

  • May 27, 2026
  • By author-avatar KOZO VALVE
  • 0 comments
Ball valve has a spherical design device with a hole in it used for isolation and on-and-off service. The ball is always in the fl...

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KOZO Valve — Zhejiang Kozo Valve Co., Ltd.

Zhejiang Kozo Valve Co., Ltd. manufactures industrial valves and provides product development, machining, assembly, inspection and customer support. Contact KOZO for product specifications and OEM enquiries.

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  • Ball Valve
  • Eccentric hemispherical valve
  • Fixed ball valve

Contact Us

Phone: +86 13968878839

Mail: jone@kozovalve.com

Address: Kezhong Industrial Park, Qiaoxia Town, Yongjia County, Zhejiang Province

Copyright © 2025 Zhejiang Kozo Valve Co., Ltd. All Rights Reserved.
  • Home
  • About
  • Product
    • Ball Valve
      • Fixed ball valve
      • Eccentric hemispherical valve
  • Industrial Valve Technical Support
    • Download
    • Videos
    • Industrial Valve Supply and OEM Enquiries
  • Blog
  • Contact
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