• Product Name
  • Product Keyword
  • Product Model
  • Product Summary
  • Product Description
  • Multi Field Search
You are here: Home » SEFIC Knowledge Base » Product encyclopedia
Product encyclopedia
  • Ball valveBall valves are evolved from plug valves. It has the same 90° rotation action, except that the plug body is a sphere with a circular through hole or passage through its axis. The ratio of the spherical surface to the passage opening should be such that when the ball is rotated by 90°, all


    Read More
  • (1) Low temperature engineering application of helium gasIt is well known that the liquid temperature range of xenon is 2 x 10-3 - 5.20 K, the liquid temperature range of hydrogen is 14.2 - 33.0 K, and the liquid temperature range of helium is 24.5 - 44.40 K.Because helium is chemically inert and ha


    Read More
  • carbon dioxideOthers: Carbonic acid, carbonic anhydride, dry ice (solid state)Chemical formula: CO2Molecular weight: 44.0095Melting point: -78.45 °CBoiling point: -78.45 °CWater solubility: 1.45 g/L (25 ° C, 100 Pa)Density: 1.907g/L in gaseous state and 1.816kg/L in liquid stateFlash point: noneAppe


    Read More
  • Liquefied Petroleum Gas (LPG) is often confused with LNGIn fact, they have obvious differences. The main components of LPG are propane and butane with a small amount of olefins. LPG is stored in a tank in a liquid state under appropriate pressure and is often used as a cooking fuel, which is the liq


    Read More
  • The gaseous fuel can be directly used as a fuel for an internal combustion engine or the like, and can also be used as a raw material for industries such as synthetic ammonia, artificial petroleum, and organic synthesis.Gas fuel is a kind of high-quality, high-efficiency and clean fuel. Its ignition


    Read More
  • Laughter (chemical name: nitrous oxide) Oxygen is 02, it does not seem to respond, the mixed gas is closed or inhaled by an anesthesia machine, accident rescue center, etc., especially at present, mainly used for painless delivery, Small surgery such as abscess incision and trauma suture. An accurat


    Read More
  • Generally, a substance that is in a gaseous state at normal temperature and pressure is called a gas. A wide variety of gases, classified by nature, can be divided into inorganic gases and organic gases; according to ancient classification, can be divided into constant gas and trace gases, classifie


    Read More
  • The fire extinguishing ball device is composed of a foam shell, a dry powder driving device and an ABC dry powder fire extinguishing agent. The external part of the fire extinguishing ball device is wound with a cross-shaped lead. When the external lead wire is ignited, the driving medium is activat


    Read More
  • Cylinders should be placed in a cool, away from power sources, heat sources (such as sunlight, heat, fire, etc.).And fix it. The flammable gas cylinder must be stored separately from the oxygen cylinder. (2) Wear a bottle cap and a rubber waistband when handling the cylinder. Take it lightly, don


    Read More
  • Acetylene can be used to illuminate, weld and cut metal (oxygen flame), and is also a basic raw material for producing acetaldehyde, acetic acid, benzene, synthetic rubber, synthetic fibers and the like.When acetylene is burned, it can generate high temperature. The temperature of oxyacetylene flame


    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

The Way of Buying: