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Valve is a opening and closing the gate assembly, perpendicular to the direction of movement and direction of flow of the gate, gate valve can be fully open and fully closed, discomfort door parameter varies, usually 5 degrees, the medium temperature is not high for 2 ~ 52 '. Improve the process, make up the sealing surface angle in the process of the deviation, which is called the gate.
Motion editing valve closed, the sealing surface can only rely on media pressure to seal, which only rely on media
Z41h flange wedge gate valve pressure on the sealing surface of the disc to the other side of the valve seat to ensure the sealing surface, which is self sealing. Most of the valve is forced to seal, that is, when the valve is closed, to rely on external force to force the gate to the seat, in order to ensure the sealing surface of the seal.
Movement: gate valve with the valve stem together for a straight line movement, also known as the gate valve. Usually on the lifting rod with trapezoidal thread, through the valve on the top of the nut and the body of the guide slot, the rotating motion into a linear motion, that is, the operating torque into the operating thrust. When the valve is opened, when the gate height is equal to 1:1 times the diameter of the valve, the fluid passage is completely free, but at the time of operation, the position can not be monitored. Actual use, is the apex of the stem as a sign, that is, the open position, as its fully open position. In order to consider temperature changes occur locked phenomenon, usually open to the vertex position, and then rewind 1 / 2-1 circle, as a fully open valve position. Therefore, the valve fully open position, according to the location of the gate (that is, the stroke. Some gate valve stem nut is located on the gate, the hand wheel rotation to drive the valve stem rotation, and so that the gate to upgrade, this valve is called the rotating rod gate valve or called the dark bar gate valve.
Standard or Nonstandard: Standard Structure: Gate Pressure: Medium Pressure Power: Manual Material: Casting Temperature of Media: Medium Temperature Media: Water Port Size: DN40mm-DN300 Place of Origin: China (Mainland) gate valve: Resilient Seated Flanged Cast iron gate valve: DI gate valve Packaging & Delivery
Packaging Details: air plastic bag inside/wooden box outside
Delivery Detail: 15--60days
Resilient Seated Flanged gate valve
resilient gate valve F5
face to face dimensions:DIN3202F5
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