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Ecoway Steel Group

Ecoway Steel Group was founded in 2001, with a total of 5 large-scale workshops covering an area of 20,000 square meters.  It has more than 60 sets of machining centers, cold press machine tools, automatic welding and cutting and all kinds of pipes and pipe fittings equipment.  There are 280 employees and more than 40 engineers and technicians.
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  • 2001

    year established

  • 228


  • 20000

    square meter



What To Consider Before Buying A Flange Gate Valve?
Apr 10, 24
What To Consider Before Buying A Flange Gate Valve?

Flanged gate valves provide robust bidirectional isolation for critical piping systems across countless industrial applications.    However, not all gate valves are created equal when it comes to performance, safety and longevity.    There are several crucial factors to evaluate upfront before specifying and purchasing these valves. From understanding “how does a flanged gate valve work?   ” to determining the optimal materials and design configurations, making informed decisions upfront ensures your valve meets operating demands.    Overlooking details can lead to premature failures, safety risks and unplanned maintenance down the line. Key Considerations Before Purchasing Flanged Gate Valves Here are some of the most important considerations to work through with your flanged gate valve manufacturer and representatives: 1.Understanding Valve Operating Principles While the core function of a flanged gate valve is simple on/off control, it’s important to understand the unique internal operating principles and potential failure modes.    An experienced valve manufacturer can illustrate the internal dynamics and recommend designs and preventative maintenance protocols to maximize service life. 2.Evaluating Body Material Compatibility One of the biggest advantages of flanged gate valves is their vast range of available body and trim materials to resist harsh service conditions: Carbon/Alloy Steels – For basic water/air services and moderate temperatures. Stainless Steels – Exceptional corrosion resistance for chemical, food/bev and salt water. Nickel Alloys – Withstand high heat, extreme pressures, and corrosive fluids like sulfuric acid. Bronze/Brass – Applicable for some light oil services and commercial utilities. 3.Determining Required Flange Specifications Flanged gate valves need to comply with the accepted piping codes and standards.   Before making a purchase, ensure compatibility and ease of maintenance: ANSI, EN, DIN, and other dimensional standards Pressure class ratings (150#, 300#, 600#, etc.) Flange facing styles (raised face, RTJ, tongue & groove) Test certifications (ASME, API, CE marking, etc.) The chosen specifications impact everything from face-to-face dimensions to fastener sizes to allowed working pressures and temperatures.   Verifying suitability upfront is crucial. 4.Installation and Maintenance Requirements How a flanged gate valve integrates into your piping layout is a key consideration for installation and ongoing maintenance access.   Ask these questions related to installation and maintenance of flange gate valve: Will the valve be installed in tight quarters with obstructions? Are there certain orientation requirements (stem positions)? Can the valve be easily removed inline for service? What are the safety factors for disassembly/reassembly? 5.Actuator, Testing and Documentation Needs Beyond the basic valve components, there are several other considerations that can impact operation and compliance: Actuator type (handle, bevel gear, bypass valves, etc.) Testing methods (hydrotesting, NDE, packing adjustments) Material traceability certifications and documentation Special cleaning, coatings or plating requirements Supervisory installation and maintenance guidance Overlooking these details can lead to operational issues, non-compliance risks and added future costs for services or replacements. Conclusion The upfront time spent thoroughly reviewing your operating conditions and requirements with an experienced flanged gate valve manufacturer pays dividends.   They can guide selections, advise on best practices, and ensure the supplied valves meet all criteria for safety and performance.

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  • 02 Apr, 24
    Processing Method Of Tee Pipe Fittings

    (1) Forging method, that is, the forging machine is used to stretch the end or part of the pipe to reduce the outer diameter. The commonly used forging machines are rotary type, connecting rod type and roller type; (2) Stamping method, that is, expanding the pipe end to the required size and shape with a tapered core on the punch; (3) The roller method, that is, the core is placed in the pipe, and the outer circumference is pushed by the roller for processing the round edge; (4) Rolling method, generally without mandrel, is suitable for the inner circular edge of thick wall tubes. (5) There are two main methods for bulge forming: one is to place rubber in the tube and compress it with a punch to make the tube bulge into shape; the other is hydraulic bulge forming. Fill the middle of the tube with liquid and drum the tube into the desired shape by liquid pressure. In addition, another processing method is to use a mold to produce three-way pipe fittings. The mold includes an upper mold and a lower mold. The lower mold is provided with a processing cavity, and the upper mold is provided with a processing block matching the shape of the processing cavity. It is characterized in that the processing cavity is in a horizontal T-shape, the section of the processing cavity is semicircular except for the intersection of T-shapes, and the opening of the section is located on the upper surface of the lower mold, changing the way of processing three-way pipe fittings, Two semicircular tee pipe fittings are processed one by one, and then the openings of the two are welded, which increases the contact surface between the two and reduces the welding difficulty. Moreover, the semicircular tee pipe fittings are easy to place on the ground and will not swing, which further increases the processing stability and avoids the rolling condition when the traditional pipe fittings are opened. It is worth noting that the processing methods of reducing tee pipe fittings are different, and professional processing devices (including metal bars, jacking devices, commutators, brackets, etc.) should be used. During the operation, the metal bar is heated, the jack and the metal bar are used to push out, the pipe wall material naturally turns out to form the blank of the reducing tee, and then the pipe section with a certain length and corresponding specification is welded on the blank of the reducing tee formed by pushing out to produce the final product. The special processing equipment used in the processing method of the reducing tee pipe fittings is simple in structure and low in cost. It does not need another injection molding machine and injection mold to manufacture the reducing tee pipe fittings, which can reduce the production cost of such pipe fittings and improve the production efficiency. Therefore, this processing method is suitable for processing the reducing tee pipe fittings on different specifications.

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  • 27 Mar, 24
    What Is The Difference Between JIS Standard Pipes And GB/T Standard Pipes?

    1, The size standards of JIS standard pipes and GB/T standard pipes are different There is a significant difference between the JIS standard and the GB/T standard in terms of pipe size standards. For example, the GB/T standard steel pipes are divided into 6 series, and each series has different corresponding outer diameters, wall thicknesses, and lengths. JIS standard steel pipes are divided into 31 types, each with different outer diameter, wall thickness, and length standards. In addition, the precision requirement for JIS standard pipes is relatively high, with an error of less than 0.05mm, while the error requirement for Chinese standard pipes is relatively low. 2, Different surface treatment methods JIS standard steel pipes are relatively more meticulous in surface treatment, usually requiring not only hot-dip galvanizing, but also chemical treatment such as acid pickling and solution impregnation to improve their corrosion resistance and aesthetics. GB/T standard pipes are relatively simple, usually only requiring hot-dip galvanizing to improve corrosion resistance. 3, Different uses JIS standard pipes are commonly used in industries such as precision machinery and automotive manufacturing due to their high precision and meticulous surface treatment. GB/T standard pipes are widely used in fields such as construction, steel structures, and bridges. In summary, there are some differences between JIS standard pipes and GB/T standard pipes in terms of size standards, surface treatment, and usage. The choice of pipe should be determined based on specific needs and application scenarios.  

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  • 29 Jan, 24
    Spring Festival Holiday Notice

    Dear Customers,Please be informed that our company will be closed for holiday from 9th Feb to 18th Feb.Any orders placed during the holiday period will be scheduled for production immediately after the holiday ends to avoid any unnecessary delays. Please place your order in advance if you have any order requirements. We're sorry for any inconvenience caused and please do email or call us if you have any emergencies.We sincerely thank you for your great support and co-operation over the past year. Zhejiang Ecoway Mount and all our staff  wish you a prosperous 2024.   Best Regards Zhejiang Ecoway Steel Co. Ltd.   

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