117 Function Fittings 01 // Fittings Level 3 reduit / EN_Level 4 sans numero Non-Return Valves Non-Return Valves Component Materials Technical Characteristics Non-return valves allow compressed air to flow in one direction and prevent it from flowing in the other. Protect the circuit upstream. Ø metric: 4 to 12 mm Regulations • RoHS • REACH • PED • B10d: > 40 millions of cycles Advantages • Available in threaded or push-in version • Proven endurance according to the requirements of the DI 2006/42/CE Safe installation: • Symbol showing the operating direction of flow • Colour code: green for supply version, red for exhaust version Compatible Fluids Compressed air Working Pressure 1 to 10 bar Working Temperature 0°C to +70°C Cracking Pressure 0.3 bar Flow Characteristics (Nl/min) Model 4 mm 6 mm 8 mm 10 mm 12 mm Flow at 6 bar 350 670 1080 2230 2300 Body: technical polymer Body: nickel-plated brass Silicone-free Seal: NBR Non-return valve Non-return valve Non-return valve Models 7984-7985 Models 7994-7995 In-Line Version Supply Version Exhaust Version Installation Diagram Operation
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