Auto exhaust valve
Time: 2021-09-14

The automatic exhaust valve is our company's many years of experience in vacuum system design, comparing the product characteristics of various professional manufacturers at home and abroad, strictly in accordance with the requirements of HEI and API520, using the professional technology of foreign professional manufacturers, and independently developed suitable for overpressure discharge of vacuum equipment. installation. It is especially suitable for the overpressure protection of the steam turbine and main condenser of the condensing system of the condensing steam turbine. This product mainly has the following characteristics:
1. Reliable performance
The performance and structural parameters of the product are designed in strict accordance with the requirements of HEI and API520, which can fully meet the displacement requirements of the standard. At the same time, it combines the strengths of others in structure and adopts a special sealing structure to make it easier for the product to meet the special performance requirements of the system in terms of manufacturing, installation and use. At the same time, compared with similar products of other structures, the performance is more reliable and the reset ability is better.
2. Easy to maintain
The product is easier to maintain due to its special structure.
At present, this product has been widely used in our company's matching vacuum system. There are 8 grades of specifications and three series of products. For the condensing system, the emission can meet the flow range of 3400kg/h to 113500kg/h. The valve diameter ranges from DN200 to DN600. Basically cover the commonly used range. At the same time, it can be configured according to different interface standards according to user requirements. At present, there are mainly three series as follows:
1) JB series
Valve diameter DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600
The model is: A48XSH-161
The interface standard is: JB/T82.1 PN1.6
2) GB series
Valve diameter DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600
The model is: A48XSH-162
The interface standard is: GB9115.9 PN1.6
3) ANSI series
Valve diameter 8", 10", 12", 14", 16", 18", 20", 24"
The model is: A48XSH-150
The interface standard is: ANSI B16.5 150Lb

The product adopts heavy hammer pressure setting to make the set pressure constant. It can fully ensure that the valve opens accurately when necessary, and achieves the corresponding discharge. At the same time, the liquid-tight structure can meet the low leakage requirements of the vacuum system. For special occasions such as severe cold areas, the valve can be operated in a dry-sealed state through the use of special sealing elements.

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