Socket socket elastic seated gate valve, intubated soft-sealed gate valve, also known as socket-type soft-sealed gate valve. The main feature of the valve is that two sockets are set at both ends of the valve, and this socket forms a socket connection with the pipe, that is, the pipe is directly inserted into the socket, which is extremely convenient to install, and a rubber seal is placed between the pipe and the socket. seal. This connection is different from the flange connection and is called a flexible connection or a stress-free connection. Its advantage is that it allows the pipe to have a proper amount of expansion and contraction at the connection with the socket, which can compensate for the change in the length of the pipe and eliminate the pipe. Material stress caused by thermal expansion and contraction to protect the pipe. The form can be seen in the product structure diagram, and the compensation amount is shown in △ L in the following table (Table 2).
Technical parameters (Table 1)
|Nominal pressure||1.0MPa (10kgf / cm2)||1.6MPa (16kgf / cm2)|
|Nominal diameter||80 ～ 350mm||80 ～ 350mm|
|Seal test pressure||1.1MPa (11kgf / cm2)||1.76MPa (17.6kgf / cm2)|
|Strength test pressure||1.5MPa (15kgf / cm2)||2.4MPa (24kgf / cm2)|
|proper temperature||≤60 ℃||≤60 ℃|
|Applicable medium||Water, oil||Water, oil|
|DN||DA||b2||h1||h2||L1||L2||△ L||Reference weight (Kg)|
Can be used in urban water supply and drainage pipe networks, high-rise buildings, residential quarters, petroleum, power plants, environmental protection and other industries.
Applicable pipelines comply with GB / T10002.1-1996, GB / T13663-2000, and valve pressure test meets the requirements of standard GB / T 13927-1992.
Fourth, the valve material table:
|Valve body||Gray cast iron, ductile cast iron|
|cap||Gray cast iron, ductile cast iron|
|gate||Gray cast iron, ductile cast iron, NBR, NR, EPDM|
|Handwheel||Carbon steel, gray cast iron, nodular cast iron|
|Valve stem||stainless steel|
|Socket seal||NR, NBR, EPDM|
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