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  • What are the characteristics of the globe valve?

    NORTECH is one of the leading China Globe Valve Manufacturer & Supplier. The shut-off valve refers to the word gate in which the closing piece (wide flap) moves along the center line of the valve seat. According to this movement form of the valve disc, the change of the valve seat port is pr...
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  • What are the advantages and disadvantages of the globe valve?

    NORTECH is one of the leading China Globe Valve Manufacturer & Supplier. What are the advantages and disadvantages of the globe valve? The opening and closing parts of the shut-off valve are plug-shaped broad petals, and the sealing surface is flat or conical, and it moves linearly along the...
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  • Check valve function and classification

    Check valve refers to the valve that automatically opens and closes the valve flap depending on the flow of the medium itself to prevent the medium from flowing back. It is also called check valve, one-way valve, reverse flow valve, and back pressure valve. The function of check valve is The che...
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  • Introduction and classification of the working principle of check valves

    Check valve: Check valve is also known as one-way valve or check valve, its function is to prevent the medium in the pipeline Backflow. The bottom valve of the pump to close the water also belongs to the non-return valve category. The valve that opens or closes on its own by the flow and force o...
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  • ( Valve design ) Bidirectional cryogenic floating ball valves have changed the design of cryogenic systems

    Until now, cryogenic application scenarios requiring two-way valve sealing have mainly used two types of valves, namely globe valves and fixed ball valves/top mounted fixed ball valves. However, with the successful development of the two-way cryogenic ball valve, system designers have obtained a...
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  • A batch of metal seat dual plate check valves ready for shipment

    It will take ZIH Train to Europe.   Dual plate check valve,wafer type,suitable for flange EN1092-1 PN40. Body and disc in 1.0619,seat metal to metal Stellite Gr.6 coated. Design and manufacturer API594   This kind of  Metal Seat Dual Plate Check Valve  is widely utilized in pipeline...
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  • The difference between forged and cast valves

    Casting valve is cast into the valve, the general casting valve pressure grade is relatively low (such as PN16, PN25, PN40, but there is also high pressure, can be to 1500LD, 2500LB), most of the caliber is more than DN50. Forging valves are forged out. They are generally used in high grade pipel...
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  • The characteristics of ball valves and butterfly valves

    Ball valves and butterfly valves are two important categories of valves and are widely used. The ball valve requires strict sealing at high temperature and high pressure and low flow resistance. Butterfly valves are mainly used for working conditions with low pressure and low sealing requirements...
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  • Steel/Metal Industry: Iron Ore and Steel Prices Climb to Record Highs

    Iron ore prices have reached an all-time high, with China’s domestic steel product prices also soaring to record highs. Although the summer off-season is ahead, the uptrend in steel prices is likely to continue if relationship troubles between China and Australia linger and if China’s plans to cu...
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  • [Actuator] Electric and pneumatic actuators: comparison of performance characteristics

      Electric and pneumatic actuators for pipeline valves: It seems that the two types of actuators are quite different, and the choice needs to be made according to the power source available on the installation site. But in fact this view is biased. In addition to the main and obvious differences...
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  • Check Valve The New Developing Direction

    Difference between Ball Valve and Butterfly Valve The development of check valve has inseparable relationship with industrial enterprises. During industrial enterprises developing, the application of check valve is essential. To adapt to development...
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  • What is ball valve

    What is ball valve The appearance of a ball valve was after the Second World War. Although the invention of a ball valve dates back to the early 20th century, this structural patent failed to complete its commercialization steps due to limi...
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