Changzhou St. Tang pipeline wholesale all kinds of film board bevel blast doors, boilers, slant blast doors 
 0317-5129597 13393272821 QQ: 280391881, flue explosion-proof doors 
 Duct blast doors 
 Boiler Explosion-proof doors 
 Pulverized coal blast doors 
 Round blast doors 
 This series of circular blast doors for membrane plate, using the principles of design of pressure relief when the internal media explosion pressure reaches the specified value to break through the membrane plate emissions. The film board high burst pressure, can be used in the milling system, used to prevent equipment and pipeline explosion in the media is not damaged. This series of circular blast doors to distinguish between nominal diameter and the preparation of specifications as 
 DN300 ~ DN1000 8. Inclined blast doors beveled blast doors in the form of the film board, use the principle design of pressure relief when the internal media explosion pressure reaches the specified value to break through the membrane plate emissions. The film board high burst pressure, can be used in the milling system, used to prevent equipment and pipeline explosion in the media is not damaged. Round in this series explosion-proof door to distinguish between nominal diameter, the model of the preparation of specifications given DN300 ~ DN1000 eight kinds. 
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 Coal storage with gravity blast doors 
 This series of coal warehouse gravity blast doors nominal diameter distinction between the preparation of specifications for 400 * 600 1000 * 1500 and other 9 kinds of design operating pressure ≤ 1KPa. Selection, according to the volume of coal storage, conversion blast doors cross-sectional area, the direct selection. Changzhou St. Tang pipeline wholesale all kinds of film board bevel blast doors, boilers, slant blast doors