• November 24, 2020

A Ball Valve is a quarter turn valve which can be opened or closed by applying pressure on the hollow and pivoting ball inserted into void opening. It is usually used as a switch that can control and direct the flow of fluids (including air, water, gas, oil etc.). When the hole in the ball is aligned to the flow, it is open and closed when it is perpendicular. Automatic brass ball machine carries ...

• January 26, 2021

Traditional faucets are made of brass. The process flow is as follows: copper ingot→dissolving→casting→cleaning after casting→casting inspection→machining→tolerance inspection→grinding→surface inspection→plating→plating inspection→assembly→pressure test→ Finished product inspection → packaging → delivery. There are a total of 16 processes, and each process is strictly controlled to ensure quality....

• March 31, 2021

PTFE machine is a raw material belt plastic machine, it is not a single machine, it is a combination of a series of machines composed of machines with different functions. A set of raw tape equipment needs about 60,000 to 100,000 yuan. With a set of raw tape equipment, we can enter the raw tape production process, so it is relatively simple to build a raw tape factory. The main material of the PTF...

• April 09, 2021

Gravity casting refers to the process of injecting molten metal into a mold under the action of the earth's gravity, also known as casting. The generalized gravity casting includes sand casting, metal casting, investment casting, lost foam casting, mud casting, etc.; the narrow gravity casting specifically refers to metal casting. The molten metal is generally poured into the gate manually, and th...

• June 03, 2021

At present, more than 80% of copper in the world is made by fire method, and it is mainly used to process copper sulfide ore. Pyrometallurgy is to melt copper ore (or calcine, agglomerate, etc.) and flux at high temperature, or directly smelt into blister copper, or first smelt into matte (melt mainly composed of copper, iron and sulfur) Then smelt into blister copper. Except for some operations (...

• July 07, 2021

Brass is a copper alloy with zinc as the main alloying element. According to its chemical composition, brass is divided into two types: ordinary copper and special brass. (1)Ordinary brass is a binary alloy of copper and zinc. Due to its good plasticity, it is suitable for manufacturing plates, bars, wires, pipes and deep-drawn parts, such as condenser tubes, radiator tubes, and mechanical and ele...

• August 26, 2021

The fire sprinkler system is a kind of fire extinguishing device, and it is a kind of fixed fire protection facility that is widely used. It has the characteristics of low price and high fire extinguishing efficiency. According to different functions, it can be divided into two forms: manual control and automatic control. The system is equipped with an alarm device, which can automatically send an...

• December 23, 2021

The fire hose testing machine is composed of three parts. The first part is the water pressure source of the test hose, which provides the water pressure for the test; The second part of the test piece fixture. The third part is the computer integrated control cabinet. The use of automatic hose clamping and sealing technology solves the problem of time-consuming and labor-intensive clamping and se...