65 www.nordsonefd.com info@nordsonefd.com USA & Canada 800-556-3484 Europe 00800 7001 7001 Asia +86 (21) 3866 9006 Piston and Needle Stroke Control Stroke Reference Piston Spring Air Cylinder Body Packing Spring Needle Packings Fluid Body Fluid Inlet 1/8 NPT Mounting Hole 1/4-28 UNF Needle Seat and Tip Adapter Actuating Air Input 10-32 UNF 741V Series Needle Valve 7007029 741V-SS Valve Air cylinder body and fluid body are passivated 303 stainless steel. Includes fluid inlet fittings #7021499 and #7007038. 7021235 741V-AL Valve Air cylinder body and fluid body are hard-coated anodized aluminum. Includes fluid inlet fittings #7021499 and #7007038. 7015584 741V-SS-BP Valve Air cylinder body and fluid body are passivated 303 stainless steel. Includes fluid inlet fittings #7021499 and #7007038 and BackPack valve actuator. Features and Benefits • Low-maintenance design • Zero dead fluid volume • Positive shutoff The 741V precision needle valve applies low viscosity fluids in accurate, repeatable amounts. Because the stainless steel needle seats in the tip adapter, there is virtually no dead fluid volume between shots. “After we installed your valve system on our automatic assembly machines, the dripping – and the complaints – ended.” – A.T. Cross Company For use with • Accelerators • Marking Inks • Silicone Oils • Solvents • UV-cure Adhesives Download CAD Models: www.nordsonefd.com/CAD Needle Valves See ValveMate Controllers for system setup. Specifications Size: 114.6l x 26.9dia mm (4.51l x 1.06dia") Weight: 317.5 g (11.2 oz) Actuating air pressure required: 4.8–6.2 bar (70–90 psi) Maximum fluid pressure: 20.7 bar (300 psi) Fluid inlet: 1/8 NPT female Fluid outlet: Male luer lock Mounting: 1/4-28 UNF tapped hole Cycle rate: Exceeds 400 per minute Air cylinder body: 741V-SS / 741V-SS-BP: 303 stainless steel 741V-AL: Hard-coated anodized aluminum Fluid body: 741V-SS / 741V-SS-BP: 303 stainless steel 741V-AL: Hard-coated anodized aluminum Piston: 303 stainless steel Needle and nozzle: 303 stainless steel Tip adapter: 303 stainless steel SafetyLok collar: Nylon Maximum operating temperature: 43 °C (110 °F) Warranty: 1 year, limited All stainless steel parts are passivated. www.nordsonefd.com/741VSeries
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