wika Overpressure Protector Adjustable Model 910.13 Brass or Stainless Steel
Applications
Adjustable overpressure protectors are intended to protect pressure gauges against the effect of pressures exceeding their maximum pressure rating Stainless steel version for corrosive pressure media, even in corrosive ambience Process industry: mechanical engineering and plant
construction, chemical/petro-chemical, power stations, mining, on- and offshore, environmental technology
Special Features
Design with pressure connection form A resp. form B
7 different setting ranges selectable
Nominal pressure up to 600 bar
Overpressure safe up to 1000 bar
Vacuum safe
Description
The overpressure protector consists of a spring loaded piston valve. Under normal pressure conditions the spring holds the valve open. When the system pressure exceeds the set pressure, the force exerted by the spring is overcome and the valve closes. The valve will remain closed until the system pressure drops approx. 25 % below the closing pressure, where-upon the force of the spring will open the valve.
Factory setting see table page 2. To change setting: Turn adjusting screw clockwise ⇒ closing pressure higher (or anticlockwise ⇒ closing pressure lower) Overpressure protectors must not be used as control
devices! Settings with factory mounting The protector is set to 1.1 x maximum scale value when ordered together with a pressure gauge.
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