6661T3-311-C

6661T3-311-C

Features

• Robust construction with thick walled injection, molded fluid casings and cast iron or aluminum center sections to withstand tough industrial applications.
• Efficiency – Motor design delivers optimum air efficiency
• Reliability – ARO’s patented ‘Unbalanced’ air valve ensures no-stall operation
• Versatility – Multiple porting options for your application needs – Available in Flanged, Threaded, or 3 piece Manifold configurations
• Environmentally Sound – Bolted construction for leak-free fluid handling
• Serviceability – Easy access to ball checks and fluid caps for maintenance and repairs

Accessories

• 66084-1 Air Line Connection Kit: contains Piggyback Filter / Regulator, pipe nipple & 5’ section of hose
• 67079 Flange Connection Kit: converts connection to N.P.T.F. threading configurations
• 66975 Cycle Counter Kit
• 637118-C Air Section Service Kit
• 637165-XX Fluid Section Service Kit

Weight	28.1 kg
Size	1-1/2''
Centre	Aluminium
Hardware	Stainless Steel
Thread	Centre Flanged
Wetted	Polypropylene
Diaphragm	Neoprene
Ball	Neoprene
Seat	Polypropylene
Air Kit	637118-C
Wet Kit	637165-11

Ratio: 1:1 Maximum Flow: 100 GPM (378.5 LPM) Displacement per cycle: Standard Diaphragm 0.67 gallons (2.54 liters) Composite PTFE Diaphragm 0.43 gallons (1.63 liters) Air Inlet: (Female) 1/2-14 NPTF Fluid Inlet/Outlet: 1-1/2” ANSI Flange Max. operating pressure: 120 psi (8.3 bar) Suspended solids max. dia.: 1/4” dia. (6 mm) Weight: Polypropylene 62 lbs (28.1 kg) PVDF (Kynar®) 92 lbs (41.7 kg) Note: Add 23 lbs (10.4 kgs) for cast iron air motor section. Maximum dry suction lift: 14 ft (4.27 m) Sound Level: 70 PSI (4.8 bar) 60 Cycles/Min 77.7 db(A)