Ventil pojistný 3060/88C310

GENERAL DESCRIPTION

Valves series 3060 are safety devices according to the defi nition given in

Article 1, Point 2.1.3, 2nd dash of 97/23/EC Directive and are the subject of

Article 3, Point 1.4 of aforesaid Directive.

 e valves above mentioned are standard type, unbalanced, direct-loaded

safety valves. Valve opening is produced by the thrust the fl uid under pressure

exerts on the disc, when said thrust exceeds, under setting conditions, the

opposing force of the spring acting on the disc.

Valves are identifi ed by means of:

- a model number formed of an alphanumerical coding that includes:

- in the fi rst part the family identifi cation (e.g. 3060/45C)

- in the second part the setting pressure, expressed in bars, multiplied by 10

(e.g. 140)

- an alphanumerical serial number.

CONSTRUCTION

Body: squared, obtained through die forging and subsequent machining. It

houses the following elements:

- the nozzle with fl at sealing seat

- the disc guide

- the setting spring holder

- the threaded seat of the setting adjusting ring nut

In the body, above the disc guide, a small pressure relief duct is provided

through which the spring holder is put into contact with the output

connection.

Utilized material: EN 12420-CW617N brass.