140 www.nordsonefd.com info@nordsonefd.com USA & Canada 800-556-3484 Europe 00800 7001 7001 Asia +86 (21) 3866 9006 Series 450RC Recirculating Autovalve 7702217 450RC Autovalve Aluminum Valve, Single Air Cylinder w/Snuff Back, GT Seals Order handle separately; see 400 / 450 Autovalve Accessories for details. Series 450XT Snuff Back Valve 7702216 450XT Autovalve Aluminum Valve, Extended Air Cylinder with Snuff Back and GT Seals Order handle separately; see 400 / 450 Autovalve Accessories for details. Manifold Seat Plate Valve Body Tie Plate Lip Seal O-ring Air Cylinder Body Recommended Mixer: Series 160 Mixer Recommended Mixer: Series 160 Mixer The 450RC Autovalve allows continuous flow of material while still being able to control shut-off at the mixer. Typical uses are for heated materials or materials with fillers that need to remain suspended. Recirculation occurring at the valve instead of the pump eliminates pressure buildup in the lines, preventing off-ratio dispensing. This innovative dispense valve is designed specifically for two-component urethanes and eliminates exposure of wetted shafts to air. Since 2K urethanes are moisture sensitive, any contact with air can cure the material, locking up the dispense valve. Manifolds: See Series 450 Manifold Table, previous page Manifolds: See Series 450 Manifold Table, previous page Options: O-ring options: Viton, PTFE, Ethylene-Propylene (E-P) Lip seal options: Viton, Polyurethane (PU), PTFE, Polytuff, Ethylene-Propylene (E-P) Repair kits containing a complete set of lip seals and O-rings are available. Meter Mix Valves Specifications Valve Size: 132l x 63.5w x 58.4h mm (3.3l x 2.5w x 2.3h") Body: 6061-T6 aluminum or 303 stainless steel Manifold Size: 48.3l x 63.5w x 38.1h mm (1.9l x 2.5w x 1.5h") Material: 6061-T6 aluminum or 303 stainless steel Outlet thread: 7/8"-14 (for standard bell mixers) Valve System Weight: Aluminum valve and manifold: 0.9 kg (2.0 lb) Stainless steel valve and manifold: 1.5 kg (3.4 lb) Operating parameters: Min. operating pressure: 5.5 bar (80 psi) Max. fluid pressure: 240 bar (3500 psi) Electric handle mount switch: 24V Specifications Weight: Aluminum valve and manifold: 1.6 lb (0.7 kg) Stainless steel valve and manifold: 2.5 lb (1.1 kg) Pressure Rating: 240 bar (3500 psi)
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