needle valve manufacturer

Type stainless steel needle valve is whole USES the high quality 304316321201 stainless steel forging process materials and other materials processing production of needle valve, brass is made by a brass alloy casting needle valve manufacturer process of needle valve. Stainless steel material has corrosion resistance, abrasion resistance, resistance to high pressure, high temperature resistance, oxidation resistance and high cleanness many advantages, and brass or copper materials do not have the advantages of resistance to high pressure, high temperature resistance, abrasion resistance, relative to the stainless steel needle valve as many, the scope of use type stainless steel needle valve is widely used. Type stainless steel needle valve and instrumentation valve body and internal parts are all materials with solid or forging bar solid body directly, high density, tensile performance is strong, adopts CNC precision machining, precision degree is high, good seal.
Brass type needle valve, and the process for forging brass instrument valve casting body, low tensile performance, corrosion resistance is poor, not suitable for high temperature and high pressure, bad working conditions such as wear-resisting, only suitable for use in water heating, air conditioning and other devices.
Brass type needle valve and instrument varieties such as ball valves also is less, because of pressure on the sex is not enough, so are generally low class product. In respect of structure, the stainless steel needle valve body etc are larger and brass pin type valve, because the stainless steel needle valve type generally use temperature is higher, the pressure is high, so in the central stuffing box design that is done is higher, in case of leakage with the rising of middle pressure and temperature.
And brass type needle valve structure is simple, do not need to do is too high, of central working conditions for the use of pressure and temperature are relatively low. Type of valve and brass and stainless steel needle valve type of production cost is large, so the price of the stainless steel needle valve type is relatively higher, and the brass type needle valve price is relatively cheap.
Pipe connector of cutting sleeve type has a secure 12 needle valve connection, compression ability, high temperature resistance, impermeability, and repeatability, easy installation and maintenance, etc. As petroleum, chemical, natural gas, oil refining, etc., the rapid development of the industry, the quality of product requirements, card sets of joints play a critical role, greatly improving the sealing performance of the product.
By joint pipe connector of cutting sleeve type has the body, card sets, the nut, the three parts. When the card set and nut set, on the steel tube inserted into the connector body, screw nut, card sets of front lateral, joint joint cone body, seamless steel pipe, bitten by the blade evenly into, therefore to form effective seal. Card sets of joint is oil refining, chemical, oil, natural gas, food, pharmaceutical, instruments and meters, etc., pipe line of automatic control device, a more advanced fittings.
Pipe connector of cutting sleeve type has the impact on the industry's role is very big, also has been widely promotion and application.