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WIKA Part of your business
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Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF6 gas solutions from WIKA are an integral component of our customers' business processes.
This is why we consider ourselves to be not just suppliers of measurement components but rather more a competent partner that offers comprehensive solutions in close co-operation with our customers – customised and precisely designed products for the exact requirement.
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Brass or Stainless Steel
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 data sheet.
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 mountingThe protector is set to 1.1 x maximum scale value when ordered together with a pressure gauge.
Pressure connectionForm A: G ½ male / femaleForm B: ½ NPT male / female(see dimensions page 2)
Valve body (wetted part)Material brass (with union nut from steel, rust-protected) or stainless steel (with union nut from stainless steel 1.4571) selectable.
O-RingFPM
Operating Temperature+80 °C maximum
Models IV20, IV21
2-valve manifold
Models IV10, IV11
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