The Shaanxi Yanchang Petroleum Group was informed that the trial production ceremony for the first phase of the project to extend the oil and fluorine silicon chemical industry park was held in Shangluo on October 17th. It is reported that the first phase project of Fluorosilicone Chemical Industry Park was launched in May 2009 and was successfully completed in August of this year. The project relies on the abundant fluorite, silica and other mineral resources in Shangluo to produce high value-added fluorosilicone chemical products and achieve efficient development and utilization of resources. The first phase of the project covers a total area of ​​more than 360 mu and has completed a total investment of 879 million yuan. The main construction is 100,000 tons/year of sulfuric acid, 40,000 tons/year of anhydrous hydrogen fluoride, 0.6 million tons/year of fluoride salts, and 30,000 tons/year. Aluminum fluoride, 5,000 tons/year cryolite installation, supporting the construction of 270,000 tons/year fluorite mines, two flotation plants, and scientific research pilot plants. Coupling for High Pressure Cleaning Machine with Brass, Stainless Steel, Iron material. Fittings include welding, card sets and flared, Male Coupling,Brass Male Fitting,45 Degree Brass Couplers,Stainless Steel Coupling NINGBO HAISHU OMWAY MACHINERY FACTORY , http://www.omwindustrial.com
Male Coupling Connector Type:
End through connector, straight connectors, tees, elbows, with live nut joints, Swivel joints, plug, transition joints
Composed of dual ferrule fittings: Before the snap ring, after the snap ring nut
Materials commonly used are stainless steel and carbon steel
NPT, PT, G is the pipe thread.
NPT is National (American) Pipe Thread abbreviation belong American standard tapered pipe thread 60 degree, for North America. National standards can be found GB / T12716-1991
Pipe Thread PT is an abbreviation, is 55 degrees sealing cone pipe thread, is a Whitworth thread family, more for Europe and the Commonwealth countries. Commonly used in water and gas pipe industry, defined as 1:16 taper. National standards can be found GB / T7306-2000
G is 55 degrees non-thread sealing pipe thread, is a Whitworth thread family. G represents a threaded barrel mark. National standards can be found GB / T7307-2001
Also thread 1 / 4,1 / 2,1 / 8 mark refers to the thread diameter in inches.
Insiders usually points to refer to the thread size, one inch equals 8 points, 1/4-inch is 2 points, and so on.
G is the pipe thread collectively (Guan), divided into 55, 60 degrees are functional, commonly known as a round tube. That thread processing is made by a cylindrical surface.
ZG commonly known as the funnel, that thread processing by a conical surface made of pipe joints in general are like this, the old domestic thread standard male thread Rc labeled as R