Article List

• The role of safety valve

  The safety valve is a special valve that is in a normally closed state under the action of external force. When the pressure of the medium in the equipment or pipeline rises beyond the specified value, it discharges the medium to the outside of the system to prevent the medium pressure in the pipeli

  Industry knowledge March 02, 2022
• Applications of Liquid Medical Oxygen

  1. Intake disorders: Respiratory diseases such as asthma are typical cases of hypoxia caused by intake disorders, which will seriously affect life, study and work when they occur. In addition, oxygen-deficient environments such as basements with no ventilation and indoor spaces without ventilation i

  Industry knowledge February 18, 2022
• The wide application of argon in life

  There is such a class of gases, which are very inert in the atmosphere and difficult to react with other substances to form compounds. They are called noble gases, also known as noble gases. Next we will introduce the least rare of the rare gases, argon (Ar). Argon is colorless and odorless. It cann

  Industry knowledge February 14, 2022
• Welding gas mixture is not only a mixture of carbon dioxide and argon

  1. The advantage of Ar+He argon is that the arc combustion is very stable and the spatter is extremely small. The advantages of helium are high arc temperature, high heat input to the base metal, and fast welding speed. The advantages of both can be obtained by adding a certain amount of helium with

  Industry knowledge February 11, 2022
• Spring Festival Blessings

  Shanghai Wangen Company wishes everyone a happy Spring Festival and a prosperous Year of the Tiger

  Corporate news January 28, 2022
• Extend food shelf life with Freshline gas range

  South African industrial gases specialist Air Products has used its expertise in specialty gases to extend the shelf life of a wide variety of food products through the use of modified atmospheric packaging (MAP), which includes changing the gas inside the food packaging.The company uses three main

  Industry knowledge January 20, 2022
• 2022 Happy New Year

  2022 is approaching. On the occasion of New Year's Day, all employees of Shanghai Hengxin Industrial Co., Ltd. send the warmest holiday blessings: In the new year, may your life be like spring and winter jasmine in full bloom, as simple and elegant as summer flowers , Like golden chrysanthemums in a

  Corporate news December 31, 2021
• Merry christmas new year

  May your Christmas be filled with special moment, warmth, peace and happy with family reunions, wishing you all and wish the New Year.

  Corporate news December 24, 2021
• Reasonable LNG filling skills

  StratificationLNG is a multi-component mixture, and changes in temperature and composition will cause density changes. The difference in liquid density is the stratification of LNG in the storage tank, and the difference in liquid density is the stratification of LNG in the storage tank. Generally,

  Industry knowledge December 20, 2021
• Removal and replacement of the safety valve of the storage tank

  1. The role of safety valve When the pressure of the medium in the tank rises above the maximum design carrying capacity of the tank, it will act immediately and automatically release the pressure, so that the actual pressure on the tank is limited to the safety permission range, thereby preve

  Product encyclopedia December 10, 2021