10 Things to Consider When Buying Stainless Steel Globe Valve Factory

Author: CC

May. 12, 2025

Mechanical Parts & Fabrication Services

6 Factors to Consider When Purchasing Valves for Industrial ...

Several problems, including the sale of remanufactured and poor-quality valves, plague the industrial valve industry. These issues put engineering safety at serious risk and may result in excessive downtime and accidents. 

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Therefore, industrial valve purchases must be well thought out to guarantee dependable and secure operations. This article lists six crucial variables to consider when buying valves for industrial applications.

The Use of the Valve Place and Purpose

Verifying a valve’s precise usage and environment before purchasing is essential. Valves can be used to regulate pressure, control flow, or isolate equipment, among other things. 

Understanding the valve's intended application aids in choosing the right type, size, and design to satisfy operational requirements successfully.

Valve General Requirements

It is crucial to consider the general criteria particular to the application while buying valves. This involves evaluating the valve's operating circumstances, including pressure and temperature ranges, the type of media being handled (liquids, gases, or slurries), and any unique environmental concerns. 

Understanding these elements ensures the selected valve can endure the circumstances and work at its best. The following are some general guidelines for valves that you should remember:

Valve Type

Choose the type of valve best for your application. Ball, gate, globe, butterfly, and check valves are common valve types. Each variety has unique qualities and is suitable for various uses.

Valve Size

Specify the suitable valve size based on your system’s flow rate and pipe dimensions. Valves come in various sizes, usually in inches or millimeters.

Pressure Rating

Consider the operating pressure in your system when choosing a valve, and select one with a pressure rating that is higher than or equal to the needed pressure. In most cases, pressure ratings are given in pounds per square inch (psi) or bars.

Temperature Range

Consider the range of temperatures across which the valve will function and select a valve that can withstand those conditions. Different substances and building techniques are appropriate for various temperature ranges.

Valve Material Compatibility

Check the valve's material to ensure it is compatible with the liquid or gas passing through it. Different substances, such as PVC, brass, bronze, or stainless steel, offer differing corrosion resistance and compatibility with various media.

Flow Characteristics

Consider your system's flow requirements when choosing a valve, such as whether you need one that can turn on and off or throttle and regulate flow. Specific flow control applications suit some valves better than others.

End Connections

Choose the appropriate end connections for your piping system. Fittings that are threaded, flanged, welded, or compressed are examples of common types. Verify that the valve's end connections meet the needs of your system.

Operation and Actuation

Consider if you need a manually operated valve or one that can be automated using actuators or control systems for operation and actuators. Applications requiring frequent operation, precision, or remote control are good candidates for actuated valves.

Compliance & Standards

Depending on your application's demands, ensure the valve complies with pertinent industry standards like ANSI, API, ISO, or particular certifications like NSF, UL, or ATEX.

Maintenance & Service

Consider the ease of maintenance, the accessibility of replacement parts, and the reputation of the supplier or manufacturer for technical assistance and post-purchase support.

6 Factors That Should Be Considered When Purchasing Valves

1. Valve Material Requirements

In industrial settings, various corrosive, erosive, and abrasive chemicals are exposed to valves. The material requirements for the valve shell and its internal components must be examined. 

The material selection should be appropriate for handling the media to avoid early wear, leakage, or failure. When choosing the valve, chemical compatibility, thermal resistance, and mechanical strength should be carefully considered.

2. Compliance with Safety Standards and Pipeline Regulations

In terms of industrial applications, safety comes first and foremost. Confirming that the valves being purchased adhere to the necessary safety requirements and pipeline laws is crucial. 

Following these guidelines ensures a safe and legal working environment by reducing the possibility of leaks, equipment breakdowns, and potential hazards.

3. Valve Performance and Packaging/Transportation Requirements

Based on the application’s needs, it is crucial to determine the performance criteria for valves, including sealing performance and leakage rates. 

To safeguard the valves during shipping and handling, consideration should also be paid to the packing and transportation requirements. Protective coatings can be required to prevent corrosion if the valves are exposed to hostile environments.

4. Quality Testing of the Valve

It is crucial to confirm the quality of the valves through meticulous testing to guarantee their dependability and longevity. It also entails determining if the valves adhere to the necessary design specifications. 

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Ball valves, for instance, must follow API6D, while butterfly valves must follow API609. Quality testing should cover various topics, including material integrity, dimensional accuracy, and functional performance, to ensure the valves satisfy the necessary criteria.

5. Valve performance requirements and packaging and transportation requirements

It's essential to consider the performance specifications of valves before buying them and to ensure they adhere to established industry standards. Sealing performance requirements and protective coating needs are two important things to consider.

Performance Requirements for Sealing: Valves must adhere to strict sealing regulations to ensure operating effectiveness and prevent leaks. To suit the unique requirements of your application, factors including sealing grade and sealing leakage should be carefully examined.

6. Quality testing of the valve

It is essential to conduct quality testing on valves to guarantee their dependability and efficiency. Valve makers frequently conduct extensive testing processes to ascertain whether the valves adhere to the design criteria. 

API6D for ball valves and API609 for butterfly valves are a few examples of design standards that are frequently utilized.

Final Words

Several things must be considered when buying valves for industrial applications to guarantee dependable and secure operations. Engineers and procurement experts can make well-informed selections and choose valves that best meet their unique application needs by carefully assessing the use, general requirements, material compatibility, safety regulations, performance criteria, and quality testing. 

Dombor: Your Trusted Valve Solution Supplier

Dombor is a reputable supplier that offers a one-stop purchasing solution for industrial valves. We ensure that customers can discover the ideal valves for their particular applications by offering various valves created to fulfill the needs of various industries. Dombor offers pre-sale consulting services to help customers choose the best valves for their needs while providing invaluable technical advice.

Stainless Steel Control Valve Selection Guide

In industrial processes where reliability and longevity matter, selecting the right stainless steel control valve is critical to operational success. Control valves regulate the flow of media—whether liquid, gas, or slurry—and play a vital role in maintaining process efficiency and safety. This guide will help engineering and procurement professionals navigate the selection process to find the optimal stainless steel control valve for their specific applications.

Understanding Stainless Steel Control Valves

Stainless steel control valves are engineered to provide precise flow control while offering superior corrosion resistance compared to standard carbon steel alternatives. The stainless steel construction makes these valves particularly valuable in harsh environments where exposure to corrosive media, extreme temperatures, or abrasive materials is common.

The primary advantages of stainless steel control valves include:

  • Exceptional corrosion resistance
  • Extended service life in challenging environments
  • Compliance with hygiene standards for food, beverage, and pharmaceutical applications
  • Ability to withstand high temperatures
  • Lower maintenance requirements and lifecycle costs

Key Factors in Stainless Steel Control Valve Selection

1. Process Media Characteristics

The properties of your process media significantly influence valve selection:

  • Corrosiveness: For highly corrosive media, 316L stainless steel often provides superior performance
  • Abrasiveness: When handling slurries or media with suspended solids, select valves with self-lapping capabilities
  • Viscosity: Higher viscosity fluids may require specialized valve designs to maintain control precision
  • Temperature range: Ensure the selected valve can handle both your normal operating temperatures and potential extremes

2. Flow Characteristics and Control Requirements

Different applications require specific flow characteristics:

  • Equal percentage: Ideal for processes requiring precise control at low flow rates
  • Linear: Suitable for applications where flow should change in direct proportion to valve position
  • Quick-opening: Appropriate for on/off applications requiring rapid response

The rangeability (ratio between maximum and minimum controllable flow) is also crucial for applications with varying flow requirements.

3. Pressure Considerations

Several pressure-related factors affect valve selection:

  • Operating pressure: The valve must withstand normal system pressure
  • Pressure drop: The differential pressure across the valve impacts sizing and potential for cavitation
  • Recovery characteristics: Critical for applications where pressure recovery could lead to flashing or cavitation

4. Stainless Steel Grade Selection

Different grades offer varying benefits:

  • 304 stainless steel: Good general corrosion resistance at moderate cost
  • 316/316L stainless steel: Enhanced resistance to chlorides and process chemicals
  • Duplex stainless steel: Superior strength and stress corrosion cracking resistance
  • Super-duplex and super-austenitic alloys: For extremely corrosive environments

5. Valve Body Design

Common stainless steel control valve body designs include:

  • Globe valves: Versatile with excellent throttling capabilities
  • Ball valves: Provide tight shutoff and handle particulates well
  • Butterfly valves: Economical for larger pipe diameters
  • Diaphragm valves: Ideal for sanitary applications
  • Rotary process valves: Excellent for handling abrasive media and offering self-cleaning action

6. Actuator Selection

The actuator must match your control needs:

  • Pneumatic actuators: Common, reliable, and intrinsically safe
  • Electric actuators: Precise positioning without compressed air requirements
  • Hydraulic actuators: High force capabilities for larger valves
  • Manual operators: For infrequent adjustment or emergency backup

7. Industry-Specific Requirements

Different industries have unique needs:

  • Chemical processing: Chemical compatibility and leak prevention are paramount
  • Oil and gas: High-pressure capabilities and fire-safe designs
  • Food and pharmaceutical: Sanitary design with appropriate surface finish and documentation
  • Power generation: Temperature resistance and reliability under cycling conditions
  • Mining: Extreme abrasion resistance and maintainability

Optimizing Total Cost of Ownership

When selecting a stainless steel control valve, consider the total cost of ownership, not just the initial purchase price. Factors affecting long-term costs include:

  • Maintenance requirements and accessibility
  • Spare parts availability and standardization
  • Energy consumption through pressure drop
  • Process downtime for valve service
  • Potential for process disruption due to valve failure

Everlasting Valve’s Stainless Steel Control Valve Solutions

Everlasting Valve’s stainless steel control valves are engineered for the most demanding applications. Our unique self-lapping, rotating disc design provides several advantages:

  • Improved sealing with each operation
  • Exceptional durability in abrasive and high-temperature applications
  • Reduced maintenance requirements
  • Superior performance in challenging environments where conventional valves fail

Our valves are custom-engineered to meet the specific requirements of your application, ensuring optimal performance and longevity. The Everlasting difference is evident in applications where other valves require frequent maintenance or replacement.

Making the Final Selection

When finalizing your stainless steel control valve selection:

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  1. Document your process conditions thoroughly
  2. Consider both normal operation and potential upset conditions
  3. Evaluate valve performance data for your specific application
  4. Consult with valve experts who understand your industry
  5. Request references for similar applications
  6. Review maintenance requirements and spare parts availability
  7. Consider standardization with existing equipment

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