Safety series 1900 valve (spring valve)

The steel flange Consolidated safety valves of a series 1900 are intended for application on gaseous and liquid working environments, and also on water vapor. All internal details of valves are made of stainless steel. Valves conform to requirements of the section VIII ASME. High reliability of a design is confirmed by long-term operating experience.

Main specifications

Parameters of an entrance 25... 300 mm (1"... 12")
accession is flange
class of tightness 1... 40 MPas (ANSI, 150... 2500)
Parameters of an exit 50... 400 mm (2"... 16")
accession is flange
class of tightness 1... 5 MPas (ANSI, 150... 300)
Environment-29 temperature... +538 °C
Case material carbonaceous or corrosion-proof became
Lock material stainless steel

Note

Upon the demand of the customer use of special materials for special conditions of application is possible.

Execution options

— the fixed high efficiency provided with the accuracy of control for the set parameters;

— resistance to loadings from the pipeline;

— an ejector tube for reduction of excessive pressure by a cover and ensuring normal opening and closing of the valve;

— elimination of temperature influences by application of a thin disk in a design with the holder;

— simplicity of control of a produv;

— the minimum directing surface;

— fastening of a rod to the holder of a disk by means of a spring washer.

Distinctive features

— with the balanced bellow valve;

— a special design of a lock for liquid environments with saddles from soft materials;

— with a sealing ring of round section for work with pressure of relatives to adjusting — up to 95% of adjusting pressure;

— from special materials with a thermodisk for steam and organic environments;

— from special materials for sulphurous gas with the rise lever;

— for work with H2S.