Tumen RX780/0.4D-RF floor regulator cabinet Run Feng provides selection.
1) The commercial and civil gas transmission and distribution system in the downtown area is divided into two levels: medium-pressure and low-pressure pipe networks. The medium-pressure gas enters the low-pressure pipe network through the gas pressure regulating station to supply gas for industrial and commercial users.
The overwhelming majority of the buildings are pressure regulating stations on the ground, which can be heated in winter, easy to maintain and not easily damaged. There are also a few cases of the use of pressure regulator; compared with the ground station on the advantages of small footprint, convenient construction, low cost; the disadvantage is more inconvenient maintenance.
Classification characteristics and problems of gas pressure regulating stations
Occasionally, pressure regulator and underground pressure regulator are used, but their disadvantages are inconvenient maintenance and easy to be corroded water intake.
(2) Five setting modes of gas pressure regulating devices are given in the Code for the Design of Town Gas (GB50028-2006):
(1) ground building pressure regulating station;
(2) the pressure regulating cabinet or pressure regulating cabinet is attached to the external wall of the building;
(3) suspension type surge tank;
(4) the pressure regulating device is located in the building or on the flat roof of the gas building;
(5) underground regulator station and underground surge tank.
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