Insert Footer 3 Pro-Series Pumps A complete Diaphragm Pump line –1” through 3” Metallic Models Aluminum, Stainless and Cast Iron –1” through 2” Non-Metallic Models Polypropylene and PVDF Capable of meeting the most demanding pump applications –When performance & reliability are critical –Features that provide excellent reliability Non-icing motor Non-stalling air valve Bolted Construction High Flow rate
Insert Footer 4 Stainless Steel Models For Transfer of Aggressive Fluids –pH of 0-3 and 11-14 666251-X-C –2” Ports NPT & BSP –172-gpm (651-lpm) 666301-X-C –3” Ports NPT & BSP –237-gpm (897-lpm) Investment cast wet ends provide: –Smooth clean internal/external surface finish
Insert Footer 5 Cast Iron Models Provides Superior Abrasion Resistance –Excellent life in wastewater, sump and abrasive slurry applications For fluids with pH of 4-5 and 9-10 – 666252-X-C 2” Ports NPT & BSP 172-gpm (651-lpm) –666302-X-C 3” Ports NPT & BSP 237-gpm (897-lpm)
Insert Footer 6 Feature-Benefits: Unbalanced Air Valve Feature Description –Center section of valve is constantly pressurized Automatically resets valve to prevent stalling Benefit –Eliminates stalling associated with competitive brands utilizing a balanced valve –Ensures pump operates on demand
Insert Footer 7 Pro-Series Valve Operation Step 1: –Valve is at rest –Air is supplied to the Right Diaphragm Chamber –Left Diaphragm Chamber exhausts to atmosphere
Insert Footer 8 Pro-Series Valve Operation Step 2: –Pilot Rod shifts, sending signal to large end of Major Valve Major Valve shifts –Right Diaphragm Chamber exhausts to atmosphere –Air supplied to Left Diaphragm Chamber
Insert Footer 9 Pro-Series Valve Operation Step 3: –Pilot Rod shifts, signal to large end of Major Valve is eliminated Major Valve resets –Air supplied to Right Diaphragm Chamber –Left Diaphragm Chamber exhausts to atmosphere
Insert Footer 10 Feature-Benefits: O-Ring Seal Feature Description –Major valve rides on O-rings as it reciprocates in air motor Benefit –Eliminates blow-by of compressed air at Air Valve When fluid flow stops, the flow of compressed air also stops –O-Rings wipe away contaminants from air supply
Insert Footer 11 Feature-Benefits: No-Lube Operation Feature Description –ARO Diaphragm Pumps DO NOT require air line lubricant –Use a Filter/Regulator on air inlet Recommended F-R in each catalog Benefit –One less maintenance step Instruct customer not to use oils that harm the pump: ATF, Vaseline, Tool Oil, Valve Oil, Ethylene-Glycol, WD-40, etc. Note: “No-Lube Operation” means no air-line lubricant is required.
Insert Footer 12 Feature-Benefits: Bolted Construction Feature Description –IR/ARO diaphragm pumps use eight bolts to secure fluid caps to the pump center body Benefit –Avoids leakage associated with band-clamp fasteners Band clamps stretch and fatigue –Provides uniform torque across seal point Avoids leaks
Insert Footer 13 Feature-Benefits: Ease of Maintenance Bolted Construction –Speeds repair process Easier to re-assemble Provides better alignment/ seal between components parts –Pre-assembled Service Kits Include items to conduct normal repair Simplify ordering process –O-Ring Seal Air motor elastomers are wear items Does not require replacement of full spool/valve-body assemblies
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