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DN15-DN100 Stainless Steel Threaded Ball Valve

The EBICO stainless steel threaded ball valve is a manually operated flow isolation valve available in DN15 to DN100 sizes. Its floating-ball structure, threaded pipeline connection and 90° quarter-turn operation make it suitable for on/off control in burner fuel lines, thermal equipment and general industrial process pipelines.
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Product Introduction


1. Stainless Steel Threaded Ball Valve Overview

The EBICO Ball Valve is designed primarily for pipeline shutoff, isolation and flow switching in industrial systems.

It uses a floating-ball structure housed in a stainless steel valve body and connects to the pipeline through threaded ends. The DN15 to DN100 size range provides several options for matching different pipe diameters within burner systems and general process installations.

Operation is straightforward. Turning the lever through approximately 90° changes the valve between the open and closed positions, making the ball valve suitable where operators need clear and direct manual isolation.

Within an industrial combustion system, the ball valve can be used alongside other burner fittings to provide a manual isolation point for fuel or utility pipelines.

Unlike conventional valves used in low-demand systems, the EBICO Ball Valve is tailored for industrial lines that require:

  • Fast and accurate open/close control

  • Tight sealing with minimal leakage

  • Long service life under thermal stress

  • Low-torque actuation for easy operation

  • Resistance to corrosion and medium contamination

Its internal flow channel and quarter-turn operating structure enable precise handling of gases or liquids while minimizing flow resistance.


2. Key Structural Features

Floating Ball Sealing Mechanism

The EBICO Ball Valve adopts a pressure-responsive floating ball structure that automatically adjusts sealing force according to internal pipeline pressure. This self-compensating mechanism allows the valve to maintain tight shutoff performance even when operating conditions fluctuate.

This design delivers:

  • Highly stable sealing under changing load conditions

  • Lower friction between internal components

  • Reduced surface fatigue over long operating periods

  • Consistent opening torque throughout the service cycle

It is particularly effective in systems where frequent switching and pressure variation occur.

High-Temperature Structural Stability

Engineered specifically for thermal environments, the EBICO Ball Valve maintains mechanical integrity in elevated temperature pipelines where ordinary valves tend to deform, leak, or lose structural rigidity.

This capability makes it suitable for:

  • Burner gas lines

  • Heating system loops

  • High-temperature process pipelines

  • Thermal oil and hot fluid distribution systems

Industrial Stainless Steel Body Construction

The valve body and internal core are produced using high-grade stainless steel selected for its resistance to corrosion, oxidation, and mechanical stress. This material choice enables reliable operation in both chemically active and high-humidity industrial environments.

Structural benefits include:

  • Enhanced corrosion resistance

  • High mechanical strength

  • Long service life under continuous duty

  • Improved resistance to scaling and contamination

Threaded Mechanical Connection Interface

The EBICO Ball Valve utilizes a precision-machined threaded interface that allows direct installation into existing pipeline systems without welding. This reduces installation time and avoids thermal stress during assembly.

Connection advantages:

  • Rapid on-site installation

  • Simplified dismantling during system upgrades

  • Lower servicing cost

  • Compatibility with maintenance and retrofit projects


3. Technical Specifications

ParameterDescription
Valve StructureFloating Ball Type
Pressure ClassSuitable for Normal Pressure Pipelines
Operating EnvironmentHigh-Temperature Capable
Body MaterialStainless Steel
Nominal Diameter RangeDN 15 – DN 100
Connection InterfaceThreaded

This specification configuration enables the EBICO Ball Valve to balance installation flexibility, mechanical reliability, and thermal endurance, making it adaptable to both compact and large-scale pipeline layouts.


4. Application Capabilities Across Multiple Industries

The EBICO Ball Valve is developed for use in diverse industrial systems where flow isolation, medium distribution, and rapid shutoff are critical to process stability.

Thermal Systems & Heating Equipment

Used in burner supply lines, boiler circuits, and auxiliary thermal pipelines for precise flow interruption and safety isolation.

Electric Power Facilities

Applied in cooling water lines, auxiliary fuel circuits, and control pipelines within power generation and energy conversion systems.

Chemical Production Lines

Suitable for corrosive or temperature-sensitive chemical pipelines where valve material stability and sealing reliability are essential.

Food & Pharmaceutical Processing

Its stainless-steel construction supports hygienic operation, helping reduce contamination risk in production environments with strict sanitary control.

Industrial Machinery & Utility Pipelines

Commonly deployed for liquid and gas shutoff, directional switching, and emergency isolation in general industrial networks.

The broad adaptability of this valve allows it to function reliably in both new installations and existing system upgrades.


5. Operational Advantages

  • Quarter-Turn Control Mechanism: Full opening and closing completed within a 90-degree rotation, supporting rapid flow response

  • Low-Resistance Actuation: Reduced torque demand minimizes operator fatigue and extends actuator service life

  • Fast Isolation Response: Enables immediate cutoff during emergency or process switching

  • Straight-Through Flow Path: Minimizes internal turbulence and helps maintain pipeline efficiency

  • Service-Oriented Internal Design: Simple internal layout supports fast inspection, cleaning, and part replacement

These operational characteristics ensure long-term performance stability in industrial environments with high operating frequency.


6、Ball Valve Selection Checks

A DN size alone is not enough to define the correct ball valve.

Before selecting an EBICO Ball Valve, confirm the actual conditions of the pipeline.

Important information includes:

Pipeline size

Confirm the required DN and corresponding connection dimensions.

Thread specification

Verify the thread standard used by the existing pipework or new installation.

Operating medium

Identify whether the line carries natural gas, another gas, fuel, water or another process medium.

Pressure

Provide normal and maximum operating pressure rather than relying only on a general pipeline description.

Temperature

Confirm both normal and maximum medium temperatures.

Material requirements

If the project specifies a particular stainless steel grade or sealing material, state it during the inquiry.

Operating function

Determine whether the valve will be used only for isolation or whether the process actually requires flow modulation.

These checks are particularly important when the ball valve is being purchased as a replacement for an existing component.


7、Installation and Maintenance Considerations

Correct installation helps prevent avoidable stress on the valve and pipeline.

Before installation, check that the pipe connection is clean and correctly aligned. Foreign material inside the pipe should be removed before the valve is placed into service.

During assembly, avoid using excessive force that could damage the threaded ends or introduce unnecessary stress into the valve body.

The handle should remain accessible after surrounding components are installed.

During routine inspection, operators can check:

  • Handle and stem movement

  • Threaded joints

  • External signs of leakage

  • Corrosion or contamination around the body

  • Valve position during isolation procedures

If the valve becomes difficult to operate or shows abnormal leakage, the operating conditions and internal sealing components should be inspected before continued use.


8、EBICO Burner Fittings and Support

A ball valve is usually one component within a larger combustion or fuel-delivery system.

EBICO supplies a range of burner fittings including ball valves, gas butterfly valves, solenoid valves, ignition transformers, servo motors and installation components. Selecting these components as part of the overall burner system helps engineers consider their function and interface together rather than treating each item independently.

EBICO also maintain strict quality management and testing and provide reliable service support throughout industrial combustion projects.


Stainless Steel Ball Valve FAQs

Can this ball valve be used for continuous flow throttling?

The EBICO Ball Valve is primarily positioned as an on/off isolation valve. If continuous throttling or precise flow control is required, confirm whether another valve type is more suitable for the application.

What thread standard does the valve use?

The current product specification identifies the connection as threaded but does not state a specific thread standard. Confirm the required BSP, NPT or other thread specification before ordering.

Is the valve available in 304 or 316 stainless steel?

The published specification states stainless steel but does not identify a specific material grade. If your project requires a defined stainless steel grade, include this requirement in the inquiry.

Can the ball valve be used for steam or high-temperature media?

The product is described for high-temperature-capable environments, but no numerical temperature limit is published on the current specification. Medium temperature, pressure and seal compatibility should therefore be confirmed before use.

How do I choose between a ball valve and a gas butterfly valve?

A ball valve is commonly selected for direct on/off isolation. A butterfly valve may be more appropriate where the burner system requires flow regulation or modulation. The correct choice depends on the pipeline function and control requirements.

What information should I provide when requesting a quotation?

Provide the required DN size, thread standard, operating medium, normal and maximum pressure, operating temperature, required material grade if applicable, quantity and details of the system in which the valve will be installed.


Contact Us

Select the Right Ball Valve for Your Pipeline

Tell EBICO about your pipe size, connection and operating conditions. Our team can review your requirements and help confirm a suitable stainless steel threaded ball valve configuration for your burner or process pipeline.

Please include these details with your inquiry:

DN size · Thread specification · Operating medium · Working pressure · Maximum temperature · Required stainless steel grade, if specified · Quantity · Existing valve information for replacement projects

Request Ball Valve Selection
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