Valve classification – Classification by connection method

(1) Threaded connection valve: the valve body is provided with internal thread or external thread, which is connected with pipeline thread.   (2) Flange connected valve: the valve body is provided with a flange, which is connected with the pipe flange.

Definition of valves

Definition: a device used to control the direction, pressure and flow of fluid in a fluid system. The valve is a device that makes the medium (liquid, gas, powder) in the piping and equipment flow or stop and can control its flow.

Three characteristics of OEM Industrial Castings products

China’s foundry industry is in a critical period from a big producer to a powerful foundry country. The upgrading of products and the upgrading and transformation of product structure are a challenge to every foundry. The four enterprises in the special report of casting production technology discussion have given us many important inspirations. As any […]

Casting mould technology should be further improved

At present, China’s industrial production is characterized by a large variety of products, rapid renewal, and the market is still in the buyer’s market situation. In this case, users’ requirements for products including mold manufacturing are short construction period, high precision, good quality and low price. The exactness of users on casting mold products is […]

What should be paid attention to when using flat Weld Neck Flange

1. In order to prevent eye to eye corrosion due to flange cover heating, the welding current should not be too large, less than about 20% of the carbon steel electrode, the arc should not be too long, the interlayer should be cold quickly, and the narrow weld bead is preferred.

What is Stainless Steel Flanges

Flange is the interconnecting part of pipe and pipe, which is used for the connection between pipe ends. Flanges are also used at the inlet and outlet of the equipment for the connection between two devices (e.g. reducer flanges). Flange connection or flange connection refers to a removable connection in which flanges, gaskets and bolts […]

Cangzhou Risen Metal Mfg. Co. Limited. wishes you enjoy a happy Dragon Boat Festival Vacation!

Chinese culture has a long history and is broad and profound. Ancient festivals are an important carrier of traditional culture. The formation of ancient festivals contains profound and rich cultural connotation. Ancient festivals attach importance to the belief of ancestors and sacrificial activities. The belief of ancestors is the core of ancient traditional festivals. There […]

Classification by valve body material

(1) Metal valve: its valve body and other parts are made of metal materials. Such as cast iron valve, cast steel valve, alloy steel valve, copper alloy valve, aluminum alloy valve, lead alloy valve, titanium alloy valve, Monel alloy valve, etc.

History of Stainless Steel Valves

The Stainless Steel Valve is produced with the generation of fluid pipeline. Human beings have used valves for nearly 4000 years. In ancient China, wooden plug valves were used in bamboo pipelines when drawing brine from salt wells to make salt. In 1800 BC, when the ancient Egyptians built large-scale water conservancy to prevent the […]