crosby safety valve manual price

Crosby pressure relief valves have maintained leadership in overpressure protection for over 140 years. The direct spring-operated safety and pressure relief valves are among the world’s most widely used for oil and gas production and refining, petrochemical and chemical processing, and conventional and nuclear power. Crosby pressure relief valves maintain the industry’s most extensive and capable flow facilities for testing in air, steam, and water.

Crosby Catalog No. 310 310 310 307 902 902

(c) The spring in a safety valve or safety relief valve shall pressure which opens in proportion to the increase in pressure over the opening pressure. A

not be set for any pressure more than 5% above or below safety relief valve is a pressure relief valve characterized by rapid opening or pop action, or by

that for which the valve is marked, unless the setting is application. A pilot operated pressure relief valve is a pressure relief valve in which the major

within the spring design range established by the valve relieving device is combined with and is controlled by a self-actuated auxiliary pressure relief

assembler, and a valve data tag shall be provided that Rupture disks may be designed in several configurations, such as plain flat, prebulged or

identifies the set pressure, capacity and date. The valve reverse buckling, and may be made of either ductile or brittle material; rupture disk material

or safety relief valve and the rupture disk device is ample appropriate allowance for any structual members which may reduce the net flow area through

(2) the stamped capacity of a spring loaded carefully evaluated to ensure that the media being handled and the valve operational

and the vessel shall be multiplied by a factor of 0.90 of the builds up in the space between the disk and the safety or safety relief valve which will occur

the capacity of such a combination shall be established in to minimize the loss by leakage through the valve of valuable or of noxious or otherwise

valve may be established in accordance with the appro- pressure if back pressure builds up in the space between the valve and rupture disk. A