Featured Products

About Us

Tianjin Konos Industrial Valve Manufacturing Co., Ltd. established in 2010, mainly engaged in water conservancy machinery and equipments. There are five types of products valves, pipe fittings, Mechanical Bar Screen, penstock and crane. Our factory has gradually formed an effective and well-run business model. During the industry is facing historic development opportunities, the company followed the market situation and industrial development trends, spread new business areas, opened an overseas sales company. In addition, the company is actively transforming to provide customized services on the basis of traditional manufacturing. Our technicians available to make design according to clients request. Also produce OEM products as well.

Read More
  • About Us
Inquiry Now

New Products

BS Standard Cast Iron Metal Steated Gate Valve

BS Standard Cast Iron Metal Steated Gate Valve

China High Pressure 4 Inch DIN F4 Ductile Cast Iron Ggg50 Resilient Seated Nrs Sluice Gate Valve Factory

China High Pressure 4 Inch DIN F4 Ductile Cast Iron Ggg50 Resilient Seated Nrs Sluice Gate Valve Factory

DN1500 Pn16 En593 14 China Factory Ductile Iron Ggg50 Gear Operated Double Flange Butterfly Valve Resilient Seat Double Offset / Eccentric Butterfly Valve

DN1500 Pn16 En593 14 China Factory Ductile Iron Ggg50 Gear Operated Double Flange Butterfly Valve Resilient Seat Double Offset / Eccentric Butterfly Valve

China Factory Ductile Iron Ggg50 Eccentric Butterfly Valve DN1500 Pn16 Gear Operated Butterfly Valve Resilient Seat Double Offset / Eccentric Butterfly Valve

China Factory Ductile Iron Ggg50 Eccentric Butterfly Valve DN1500 Pn16 Gear Operated Butterfly Valve Resilient Seat Double Offset / Eccentric Butterfly Valve

3 PCS 600lb Forged Steel Ball Valve-Q47f

3 PCS 600lb Forged Steel Ball Valve-Q47f

300lb 3 PCS Forged Steel Ball Valve-Q47f

300lb 3 PCS Forged Steel Ball Valve-Q47f

3 PCS 600lb Forged Steel Ball Valve-Q47f

3 PCS 600lb Forged Steel Ball Valve-Q47f

3PC API 6D Pipeline Forged Steel Ball Valve

3PC API 6D Pipeline Forged Steel Ball Valve

News

  • Is a Hard Seal Gate Valve Always Better Than a Resilient-Seated Gate Valve for High-Temperature Steam Lines
  • What Is the Maximum Pressure and Temperature Rating for a Metal Hard Seal Butterfly Valve
  • How Does a Stainless Steel Needle Valve Improve Flow Control Performance?
  • What Is the Pressure Drop Across a Double Disc Wafer Type Swing Check Valve at 50% Flow Capacity
  • What Is the Difference Between a Floating Ball Valve and a Motor Trunnion Mounted Ball Valve
  • Why Does a Pressure Sealed Check Valve Fail to Close Tightly Under High-Temperature Service
  • What Are the Maximum Temperature and Pressure Ratings for an Extended Stem Butterfly Valve
  • Why Choose Stainless Steel Forged Steel Internal Thread Globe Valves Over Cast Steel Socket Welding Globe Valves

  • Is a Hard Seal Gate Valve Always Better Than a Resilient-Seated Gate Valve for High-Temperature Steam Lines

    When engineers specify valves for high-temperature steam lines, the debate often narrows to one critical choice: a Hard Seal Gate Valve versus a resilient-seated (soft-seated) gate valve. At Huadu, we have witnessed countless plant managers assume that metal-to-metal sealing is automatically superior.

  • What Is the Maximum Pressure and Temperature Rating for a Metal Hard Seal Butterfly Valve

    When selecting a Metal Hard Seal Butterfly Valve for industrial piping systems, the two most critical performance parameters engineers ask about are pressure and temperature ratings. These ratings determine not only the valve's suitability for your application but also its safety margin, service life, and overall reliability. At Dafugui, we specialize in manufacturing high-performance Metal Hard Seal Butterfly Valves that withstand extreme conditions across oil & gas, power generation, chemical processing, and marine industries. Understanding these ratings is the first step toward making an informed procurement decision.

  • How Does a Stainless Steel Needle Valve Improve Flow Control Performance?

    ​In modern industrial systems, precise fluid control is essential for ensuring safety, efficiency, and stable operation. A Stainless Steel Needle Valve is one of the most reliable components used for regulating the flow of liquids and gases in demanding environments. With excellent corrosion resistance, high-pressure capability, and accurate adjustment performance, it has become widely applied in industries such as chemical processing, oil and gas, pharmaceuticals, power generation, instrumentation, and hydraulic systems.

  • What Is the Pressure Drop Across a Double Disc Wafer Type Swing Check Valve at 50% Flow Capacity

    For any piping engineer or plant operator, pressure drop is not merely a number—it is a direct contributor to pumping cost, system efficiency, and overall reliability. When evaluating a Double Disc Wafer Type Swing Check Valve, the pressure loss at partial flow conditions often raises the most concern. At 50% flow capacity, this value becomes a critical decision-making metric. In this guide, we break down the engineering data, influencing factors, and practical implications for your system. For high-performance flow control solutions, JOEPAI provides precision-engineered Double Disc Wafer Type Swing Check Valve models with validated Cv data across all opening percentages.

  • What Is the Difference Between a Floating Ball Valve and a Motor Trunnion Mounted Ball Valve

    When selecting a quarter-turn isolation valve for high-pressure or large-diameter piping systems, engineers often hesitate between two popular designs: the floating ball valve and the Motor Trunnion Mounted Ball Valve. Both serve the same fundamental purpose—starting and stopping flow—but their internal geometry, mechanical support, and actuation requirements differ dramatically. At Tianhong, we have engineered and supplied thousands of these valves across oil & gas, chemical, and power generation projects. Understanding these differences is not just academic; it directly affects your system’s reliability, maintenance costs, and safety margins. This article breaks down the technical distinctions, operational trade-offs, and selection criteria to help you make an informed decision.

  • Why Does a Pressure Sealed Check Valve Fail to Close Tightly Under High-Temperature Service

    High-temperature service presents one of the most demanding operational environments for industrial flow control equipment. Among the various components challenged by extreme heat, the Pressure Sealed Check Valve frequently encounters a specific and potentially dangerous issue: failure to close tightly. This problem can lead to reverse flow, system pressure loss, equipment damage, and even catastrophic plant shutdowns. Understanding the root causes is not just a technical exercise—it is a critical safety and reliability imperative.

  • What Are the Maximum Temperature and Pressure Ratings for an Extended Stem Butterfly Valve

    When specifying flow control components for industrial pipelines, the Extended Stem Butterfly Valve often emerges as a critical solution for insulated or cold-service systems. However, the single most frequent engineering question remains: What are the true maximum temperature and pressure limits for this valve type? At Zhongguan, we address this question not with generic charts, but with application-specific engineering data that accounts for material science, actuator mounting, and stem elongation dynamics. Understanding these ratings is non‑negotiable for safe, long‑term operation.

  • Why Choose Stainless Steel Forged Steel Internal Thread Globe Valves Over Cast Steel Socket Welding Globe Valves

    When selecting flow control components for high-pressure industrial piping systems, engineers often face a critical decision: Stainless Steel Forged Steel Internal Thread Socket Welding Globe Valves versus cast steel alternatives. While both serve similar functions, the forged variant—particularly those engineered by Bolaisi—offers distinct metallurgical, mechanical, and lifecycle advantages that directly impact safety, maintenance costs, and operational reliability.

Hit enter to search or ESC to close

Leave Your Message

  • Click Refresh verification code