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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

  • What Are the Common Causes of Leakage in a Hydraulic Control Check Butterfly Valve During Startup
  • How Does a Refrigeration Unit Industrial Solenoid Valve Improve Cooling System Performance?
  • When Should You Choose Hard Seal Gate Valves Instead of Butterfly Valves for Isolation
  • What Are the Common Failure Modes of an EPDM Seated Stainless Steel Butterfly Valve
  • How Do Post-Processing Methods Affect the Fatigue Life of High-Strength Metal 3D Printed Parts
  • Why Choose a Ductile Iron Body Over Stainless Steel for a Non-Rising Stem Groove Gate Valve in Underground Applications
  • Why Is a Bellows-Sealed DIN Globe Valve Preferred for Fugitive Emission Control
  • How Does a Tire Valve Cap Protect Your Vehicle’s Tire Performance?

  • What Are the Common Causes of Leakage in a Hydraulic Control Check Butterfly Valve During Startup

    Startup is the most critical phase for any pipeline system, and when a Hydraulic Control Check Butterfly Valve begins to leak at that moment, the consequences can range from minor efficiency losses to catastrophic pump damage. At Dafugui, we have spent decades diagnosing field failures, and we consistently find that startup leakage is rarely a random event—it is almost always a predictable symptom of improper setup, wear, or design mismatch. Understanding these root causes is the first step toward a zero-leakage startup.

  • How Does a Refrigeration Unit Industrial Solenoid Valve Improve Cooling System Performance?

    ​In modern industrial refrigeration systems, precise temperature control and reliable fluid management are essential for maintaining efficiency, safety, and product quality. The Refrigeration Unit Industrial Solenoid Valve plays a critical role as an automatic control component that regulates refrigerant flow, improves system stability, and supports energy-saving operations. From cold storage facilities and food processing plants to marine refrigeration applications, choosing the right solenoid valve directly affects the overall performance of refrigeration equipment.

  • When Should You Choose Hard Seal Gate Valves Instead of Butterfly Valves for Isolation

    Selecting the right isolation valve for a critical pipeline is never a trivial decision. For engineers and plant operators, the choice often narrows down to two popular designs: the butterfly valve and the Hard Seal Gate Valve. While butterfly valves offer compactness and lower initial costs, Hard Seal Gate Valves provide distinct advantages in severe service conditions where zero leakage, high temperatures, and abrasive media are daily realities. At Hanno, we have witnessed countless facilities transform their reliability metrics after switching from resilient-seated butterfly valves to metal-to-metal sealing gate valves for primary isolation duties.

  • What Are the Common Failure Modes of an EPDM Seated Stainless Steel Butterfly Valve

    Butterfly valves are widely used across industries such as water treatment, HVAC, food processing, and chemical transfer. Among the most popular configurations is the EPDM Seated Stainless Steel Butterfly Valve, which combines corrosion-resistant metal bodies with a resilient elastomer seat. While this design offers excellent sealing and durability, it is not immune to failure.

  • How Do Post-Processing Methods Affect the Fatigue Life of High-Strength Metal 3D Printed Parts

    When engineering teams evaluate High-Strength Metal 3D Printed Parts for mission-critical applications, the conversation rarely stops at tensile strength or hardness. The real differentiator between a prototype and a production-ready component often lies in fatigue performance—and that is where post-processing becomes the decisive factor.

  • Why Choose a Ductile Iron Body Over Stainless Steel for a Non-Rising Stem Groove Gate Valve in Underground Applications

    Selecting the right material for a Non-Rising Stem Groove Gate Valve buried beneath the surface is not a casual procurement decision—it is a long-term engineering commitment. For municipal engineers and infrastructure contractors, the debate often narrows to two primary candidates: ductile iron and stainless steel.

  • Why Is a Bellows-Sealed DIN Globe Valve Preferred for Fugitive Emission Control

    Among all valve types, the DIN Globe Valves with bellows-sealed stems have emerged as the gold standard for leakage prevention. For engineers and plant operators, Hanno has engineered a range of bellows-sealed DIN Globe Valves that combine European dimensional standards with advanced sealing metallurgy, delivering leak rates below 10⁻⁶ mbar·l/s.

  • How Does a Tire Valve Cap Protect Your Vehicle’s Tire Performance?

    A tire valve cap is a small but essential component that plays a critical role in maintaining tire reliability, safety, and service life. Although often overlooked by drivers and vehicle owners, a high-quality tire valve cap helps prevent air leakage, blocks dust and moisture, and protects the tire valve core from external damage. Without proper protection, tire valves may experience corrosion, pressure loss, and reduced performance, leading to unnecessary maintenance costs and potential driving risks.

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