E Catalogue

39 PISTON VALVES For use with: Adhesives Cosmetics Creams Greases Lubricants Inks Sealants Specifications 725HF-SS Size: 108.7 mm length x 31.2 mm diameter (4.28" x 1.23") Weight: 309 g (10.9 oz) 725HF-A Size: 109.2 mm length x 31.2 mm diameter (4.30" x 1.23") Weight: 185 g (6.5 oz) Actuating air pressure required: 70-90 psi (4.8-6.2 bar) Maximum fluid pressure: 100 psi (7.0 bar) Fluid inlet thread: 1/4 NPT Fluid outlet thread: 1/4 NPT Mounting: (1) 5/16 UNF or adjustable mounting block Cycle rate: Exceeds 400 per minute Air cylinder body: Aluminum, hard-coat anodized Fluid body: 303 stainless steel or acetal copolymer Piston: Aluminum, hard-coat anodized Spring: Stainless steel Sealing head/diaphragm: UHMW* polymer, FDA-approved All stainless steel parts are passivated. *Ultra High Molecular Weight polyethylene 7021020 (725HF-SS Valve) Hard-coat anodized aluminum air cylinder body assembly with passivated 303 stainless steel fluid body and shaft. UHMW* diaphragm and sealing head. Includes 1.5 m (5 ft) input air hose with male quick-connect, fluid inlet fitting #7021038 tip adapter, and two #7018554 disposable polyethylene nozzles. 7021015 (725HF-A Valve) Same as 725HF-SS except wetted parts are acetal copolymer, UHMW* polyethylene and PTFE-coated stainless steel. Includes 1.5 m (5 ft) input air hose with male quick-connect, fluid inlet fitting #7021038, tip adapter, and (2) #7018554 disposable polyethylene nozzles. High Flow Piston Valve 725HF Series Dispenses a wide variety of fluids at rates up to 450ml/second. Use to fill small bottles, vials and foil packs with lotions, perfumes and adhesives. Also used for dispensing braze pastes and potting electrical connectors . Features and Benefits • FDA-compliant wetted parts • Fully adjustable flow rates • ±1° repeat fill tolerance • Low-maintenance design Air Cylinder Body Shaft Sealing Head Air Cylinder Cap Actuating Air Input 1/8 NPT Guide Pins Piston Shaft Locking Screw Piston Spring Diaphragm Mounting Hole 5/16-24 UNF Fluid Body Nozzle Body Cap Fluid Inlet 1/4 NPT The ValveMate 8000 controller simplifies fill setup and purging of the 725HF Series valve. See page 52. www.nordsonefd.com info@nordsonefd.com USA & Canada 800-556-3484 Europe +44 (0) 1582 666334 Asia +86 (21) 3866 9006