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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.

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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

  • 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
  • How Does a Slag Lock Ball Valve Improve Industrial Flow Control Efficiency?
  • How Do You Select the Right Cracking Pressure for a Long Shank Return Valve

  • 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.

  • How Does a Slag Lock Ball Valve Improve Industrial Flow Control Efficiency?

    ​In modern industrial systems, controlling the flow of abrasive, high-temperature, and corrosive media is a major challenge. Traditional valves often suffer from wear, leakage, and frequent maintenance when handling slag, slurry, and other harsh materials. A Slag Lock Ball Valve is specifically designed to solve these problems by providing reliable shut-off performance, excellent sealing capability, and long service life under demanding operating conditions. This article explains the working principles, advantages, applications, and importance of Slag Lock Ball Valve technology, while introducing the professional solutions provided by Hebei Gongchuang Fluid Equipment Co., Ltd. for industries requiring durable and efficient flow control equipment.

  • How Do You Select the Right Cracking Pressure for a Long Shank Return Valve

    Selecting the correct cracking pressure for a Long Shank Return Valve is one of the most critical decisions in hydraulic system design. Set it too low, and the valve may open prematurely, causing erratic return flow and pressure fluctuations. Set it too high, and you risk excessive backpressure, reduced pump efficiency, or even component damage.

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