The Z40W/H/Y gate valve features low fluid resistance, minimal erosion and impact on the sealing surface, no change in the flow direction of the medium, no disturbance to the flow, and low pressure drop. It has a wide range of applicable pressure and temperature conditions and is a common shut-off valve. It is widely used in oil pipelines and steam pipelines in industries such as petroleum, chemical engineering, and thermal power plants to connect or cut off the medium in the pipeline (it cannot be used as a throttle valve).
● Compact structure, reasonable design, good valve rigidity, smooth flow channel, and low flow coefficient.
● The sealing surface is made of stainless steel and hard alloy, with long service life
● Using flexible graphite packing, the sealing is reliable and the operation is convenient and flexible.
● The driving methods include manual, pneumatic, electric and gear transmission.
● The structural forms include elastic wedge type single gate plate, rigid wedge type single gate plate, and double gate plate type.
● The design standard adopts GB/T 12234
● The structural length standard adopts GB/T 12221
● The test and inspection standards adopted are GB/T 13927 and JB/T 9092
● The standard for the connection flange is: GB/T 9113, JB/T 79, HG20592
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