The DZ93 is a fitting for connection and commissioning of differ-ential pressure transmitters of the series DE50 in ventilation systems. In a block casing there are three valve components with which the measuring lines can be blocked on the process side and pressure can be compensated on the transmitter side. The valves should have metal seals. In the valve spindles are rotating ball bearings that form a wear-free seal to the block casing. The valve spindles are sealed to the outside with O-rings.
The hand wheels can be lead-sealed or detached for safety purposes.
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