SEPARATING DEVICE Russian patent published in 2004 - IPC

FIELD: mechanics; pipe line systems; safety units for pressure gauges; measurement of pressure in delivery pipe lines.

SUBSTANCE: proposed device has body provided with central stepped hole. Mounted in sleeve by means of bush fitted with gasket are membrane filled with nonfreezing fluid and pressure gauge. Body has hole where elastic plug and rod with taper engageable surfaces are fitted. Rod is secured on body by means of bush on which cover is fitted. Valve is secured on rod. Valve made in form of plug provided with shaft is mounted in hole located above rod. Flats are made on end of shaft. Fitted inside said plug is ball. Secured on body by means of screw is limiter made in form of plate. Sleeve may be secured on body by means of union nut.

EFFECT: possibility of replacement of pressure gauge without removal of pressure at minus temperatures.

3 cl, 2 dwg