• Product Name
  • Product Keyword
  • Product Model
  • Product Summary
  • Product Description
  • Multi Field Search
You are here: Home » SEFIC Knowledge Base » Information and drawings
Product information and drawings
  • valves generally have poor sealing performance. Many buyers and even sellers do not know how to solve them. Now we have five methods to solve the poor sealing performance of valves for reference.(1) Grinding methodFine grinding, eliminating traces, reducing or eliminating sealing gaps, improving the

    2019.08.12

    Read More
  • Welding Gases, a gas industry term, has been rapidly developed due to its advantages of good welding quality, high efficiency, and easy automation. The welding shielding gas can be a unit gas or a binary or ternary mixture. The purpose of using welding protective gas is to improve the quality of the

    2019.08.05

    Read More
  • Refrigerant is a working substance that is continuously cyclically changed in a refrigeration system to achieve refrigeration, also called a working fluid. The refrigerant is vaporized in the evaporator to absorb the heat of the cold object and is cooled, and the heat is released into the surroundin

    2019.05.10

    Read More
  • Refrigerant, also known as refrigerant, refrigerant, and snow, is a medium used in various heat engines to complete energy conversion.These materials typically increase power with a reversible phase change, such as gas-liquid phase change. Such as steam in steam engines, snow in refrigerators, and s

    2019.04.23

    Read More
  • First, the main points of permanent gas filling1. Professional training, certification, and compliance procedures2, wearing protective equipment, inspection equipment3. Review cylinders and check air tightness4, open the total valve, ready to inflate5, inspection when filling6, the discovery of the

    2019.03.22

    Read More
Quick Navitagion
Contact Us
TEL:+86-021-66870239              Fax:+86-021-66019679               Mobile:+86-17702103666                           E-mail:info@sefindustry.com    Skype:sefindustry                        Whatsapp:+86-17702103666

Inquiry
The Way of Buying:
© 2019  SHANGHAI ETERNAL FAITH INDUSTRY CO.,LTD