Industrial valves · Кран шаровой AVK Ball Valve

AVK Ball Valves : Technical Characteristics and Application

High-Reliability AVK Ball Valves from EV Group China

EV Group China offers a specialized line of AVK ball valves, designed for critical nodes in water supply and housing and communal services systems. AVK products have established themselves as a benchmark of high reliability, durability, and technological sophistication, ensuring uninterrupted operation of infrastructure facilities.

Technical Features and Modifications of AVK Ball Valves

EV Group China's engineering department highlights the following design versions of AVK valves, intended for optimal functioning in various operating conditions:

• Full-bore ball valves: These valves are characterized by a minimal coefficient of hydraulic resistance, as the diameter of the through-hole in the ball is identical to the inner diameter of the pipeline. They are ideal for main systems where maximum throughput and minimization of pressure losses are required.
• Reduced-bore ball valves: Feature a reduced flow area. This is an economically effective solution for systems where a reduction in flow rate is acceptable without compromising overall efficiency, which allows for optimizing costs for shut-off valves.
• Underground versions: A specialized series equipped with an extended stem and protective casing. This design allows for valve control without the need for complex excavation work, which is a critical advantage in densely built urban areas and reduces operating costs.
• Flanged valves: Use a standard industrial flanged connection, guaranteeing high tightness and ease of installation/dismantling. They are optimal for high-pressure systems where a reliable and easily maintainable connection is required.
• Actuator-controlled valves: Models adapted for the installation of electric or pneumatic actuators. These valves are integrated into automated flow control systems, increasing the accuracy and responsiveness of medium regulation.

Materials and Operational Advantages

AVK products supplied by EV Group China combine advanced engineering solutions and high-quality materials to increase the lifespan and reliability of engineering networks:

• High-strength body materials: The use of ductile iron or stainless steel alloys ensures exceptional resistance to mechanical stresses, vibrations, and guarantees durability in aggressive environments.
• PTFE seals: The use of polytetrafluoroethylene (PTFE) as a sealing material provides a low friction coefficient, high wear resistance, chemical inertness, and absolute sealing of the shut-off unit throughout its entire service life.
• Protective coating: Electrostatic epoxy coating forms a durable and uniform barrier, effectively protecting the valve body from corrosion, aggressive chemical exposure, and mechanical damage during operation.

AVK ball valves fully comply with international safety and quality standards, confirming their suitability for use in potable and technical water supply systems.

Where We Apply Them

AVK ball valves from EV Group China are widely used in various industries due to their reliability and durability. In urban and industrial water supply, they are used to regulate flows of potable and technical water, ensuring efficient resource distribution and minimizing losses. In heating and air conditioning systems, AVK valves are used to control the heat transfer medium, which is critically important for maintaining specified temperature regimes. They are also actively used in treatment facilities and sewage systems for wastewater management and pollution prevention. In the chemical and oil and gas industries, these valves are indispensable for working with aggressive media, where high corrosion resistance and tightness are required. Their design allows them to be used in both above-ground and underground pipelines, making them a universal solution for infrastructure projects of any complexity.

What to Replace With / Analogues

If there is a need to replace AVK ball valves or select analogues, engineers and purchasers can consider products from other leading global manufacturers such as Danfoss, Genebre, Broen, or Naval. It is important to consider that similar products must meet the same technical specifications: nominal pressure (PN16), nominal diameter (DN20-DN40), body material (brass, ductile iron, stainless steel), as well as the type of connection (flanged, threaded). When choosing an analogue, it is necessary to carefully check compliance certificates, the availability of warranty obligations, and compatibility with the existing pipeline system. You should also pay attention to the availability of spare parts and service. In some cases, in the absence of direct analogues, it may be possible to use valves with similar characteristics, but this will require additional engineering analysis to confirm their suitability for a specific application.

What to Clarify with the Supplier

Before purchasing AVK ball valves from EV Group China, it is recommended to clarify a number of key points to ensure product compliance with your requirements and optimize logistics processes. First, request complete technical specifications for each item, including detailed drawings and installation diagrams, as well as international (ISO, CE) and Russian GOST compliance certificates. Clarify the availability of test protocols for tightness and strength. It is important to obtain information about production times and delivery conditions, especially for large batches or specialized modifications. Request warranty terms and post-warranty service options, as well as the availability of spare parts. To optimize logistics costs, clarify packaging options and the possibility of cargo consolidation. You should also discuss payment terms and the possibility of discounts for wholesale orders or long-term cooperation. Don't forget to request product samples if this is critically important for making a final decision.