Overflow Valve 3.2  DN ^
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piston controlled, single-seated globe valve
KVS-value xx m3/h, temperature -10 up to + ^°C
inlet pressure adjustable ^ - ^ bar 
max permissible ^ bar
body made of ^, outside priming coated PN ^
flanges DIN ^, face to face length ^ mm
cone sealing metallic
piston with o-ring made of ^