Industry news

  • Pressure test method of check valve

    Pressure test method of check valve

    Check valve test status: lift check valve disc axis is in the position perpendicular to the horizontal; swing check valve channel axis and disc axis are in the position approximately parallel to the horizontal. During the strength test, the test medium is introduced from the inlet end to the spec...
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  • Pressure test method of ball valve

    Pressure test method of ball valve

    The strength test of pneumatic ball valve should be carried out under the condition of ball half open. ① Sealing test of floating ball valve: put the valve in half open state, introduce test medium into one end and close the other end; rotate the ball several times, open the closed end when the v...
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  • Compound exhaust valve

    Compound exhaust valve

    1、 Equipment introduction The compound exhaust valve is a barrel shaped valve body, which mainly contains a group of stainless steel balls, rods and plugs. The valve is installed at the pump water outlet or in the water supply and distribution pipeline to discharge a large amount of air accumula...
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  • Advantages and disadvantages of various valves

    Advantages and disadvantages of various valves

    1. Gate valve: gate valve refers to the valve that the closing member (RAM) moves in the vertical direction of the channel axis. It is mainly used as the cutting medium on the pipeline, that is, full open or closed. Generally, gate valves are not used as regulating flow. It can be used for low te...
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  • Selection and location of valves

    1、 Valve selection and setting position: (1) The valves used in the water supply pipeline are generally selected according to the following principles: 1. When the pipe diameter is not more than 50mm, the stop valve should be used. When the pipe diameter is greater than 50mm, gate valve and bu...
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  • Relationship between nominal pressure, working pressure and other pressures

    1、 What is nominal pressure PN (MPA)? The reference value related to the pressure resistance capacity of piping system components refers to the design given pressure related to the mechanical strength of piping components. The nominal pressure is generally expressed by PN. (1) Nominal pressure &...
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  • cast iron stainless steel filter water y strainer

    Caman Engineering is Australia’s leading manufacturer, stocker and supplier of industrial pipeline flange solutions for the oil and gas industry. We are also one of the country’s main suppliers of high-quality Tubesheet and Baffle plates for heat exchangers, which are carefully develo...
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  • Introduction of butterfly valve

    Introduction of butterfly valve

    Butterfly valve, also known as flap valve, is a simple regulating valve, which can also be used for on-off control of low-pressure pipeline medium. Butterfly valve is a kind of valve whose closing part (disc or butterfly plate) is a disc and rotates around the valve axis to open and close. It mai...
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  • Casting process of valve body and its advantages and disadvantages

    The casting of valve body is an important part of valve manufacturing process, and the quality of valve casting determines the quality of valve. The following introduces several common casting methods in valve industry: Sand casting: Sand mold casting commonly used in valve industry can be divide...
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  • Valve knowledge —— butterfly valve

    Valve knowledge —— butterfly valve

    Butterfly valve also known as flap valve, is a simple structure of the control valve, but also can be used for low-pressure pipeline medium switch control. Butterfly valve refers to a kind of valve whose closing part (disc or disc) is a disc, which rotates around the valve shaft to open and close...
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  • Opportunities, key points and future prospects of valve industry in the industrial pollution control market

    With the continuous development of society, the rapid development of industry in various countries, colleagues also brought us a lot of pollution sources, in the process of industrial pollution prevention and control, 2020 is the end of the battle of pollution prevention and control. As an import...
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  • Detailed method for correct operation of valves II

    Correct operation of safety valve The safety valve has undergone pressure test and constant pressure before installation. When the safety valve runs for a long time, the operator shall pay attention to the inspection of the safety valve. During the inspection, the operator shall avoid the outlet ...
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  • Detailed method for correct operation of valves I

    The valve is a device used to control the direction, pressure and flow of fluid in the fluid system, which can make the medium (liquid, gas, powder) in the piping and equipment flow or stop and control its flow. The valve is an important control part in the fluid transportation system. Preparatio...
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  • Filter selection and Application

    Filter selection and Application

    Principle requirements for filter selection The filter is a small equipment to remove a small amount of solid particles in the liquid, which can protect the normal operation of the equipment. When the fluid enters the filter cartridge with a certain size of filter screen, its impurities are block...
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  • Characteristics of penstock

    Characteristics of penstock

    The so-called pressure pipeline refers to the use of pressure to transport gas, liquid, etc. But not all pipes can be called pressure pipes. Two conditions: 1. Pressure > = 0.1MPa (gauge pressure) 2. Pipe DN > = 25mm Characteristic 1. The pressure pipe is a system, pulling one engine and mo...
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  • Equipment basic management “leakage”

    The management of safe and civilized production includes oil leakage, water leakage, steam leakage, smoke leakage, ash leakage, coal leakage, powder leakage and gas leakage, which is what we call “running, emitting, dripping and leaking”. Today, we summarize some preventive measures o...
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