AVENTICS Drive check valve NR02 Series Qn 1▶2 = 300-680 L/min internal thread G 1/8 G 1/4 external thread G 1/8 G 1/4 version Lift Valve Small/large operating pressure 0,5... 10 bar Low/high ambient temperature -20 to 80°C Low/high temperature -20 to 80°C in compressed air Technical information Material housing brass, nickel-plated sealed acrylonitrile butadiene rubber