In 1, the factory production valve cover packing chamber with water sealing structure, when the interface into the water when the pressure 0.6-1MPa, can make the system is isolated from the atmosphere, and ensure that the system has good air tightness.
In 2, DS / Z series double disc bi-directional elastic sealing, hoist flexible, rapid, reliable sealing.
In 3, the product has the advantages of simple structure, reasonable and compact, convenient maintenance, long service life
4, in the pipeline by an opening and closing device for, must be in the fully open or semi-open state, shall not be used for regulating flow.
In 5, valve connecting flange welding form, two, drive mode: manual, electric two.
In 6, DS series seal valve applies to nominal pressure less than or equal to 10.0MPa, working temperature less than 425 DEG C, working medium is water, steam, oil and non - corrosive gas pipeline as an opening and closing device, especially suitable for thermal power plant steam vacuum condensation system.
Design and manufacturing standards
The design and manufacture of: GB12234
The flange size: GB9113 JB7490
The pressure and temperature: JB / T74 GB9131
The structure of length: GB / T12221
The butt connection dimensions: -
The inspection and test: JB / T9092 GB13927
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