grundfos large up(S) THE QUIET REVOLUTION Grundfos LARGE UP(S) Wet Rotor Circulators
THE QUIET REVOLUTION Grundfos Pumps is the only manufacturer of large, wetrotor circulators in the U.S. commercial market with a proven track record of more than 25 years experience. Our large UP(S) wet rotor circulators are whisper-quiet and maintenance-free. They feature an integrated pump and motor design. Fewer parts means greater ease of installation and durability. QUIET OPERATION Fans are often a source of noise and vibrations that can resonate throughout a building via pipe work.
GRUNDFOS LARGE UP(s) PUMP APPLICATIONS Large UP(S) pumps are available in varying sizes and material construction ideal for com-mercial buildings and large residences.
Industry standard 2- or 4-bolt flanges with gauge taps Stainless steel neck ring to reduce recirculation and increase efficiency Durable tungsten carbide motor bearings lubricated by media Stainless steel shaft Dynamically balanced rotor encapsulated in stainless steel Drop-In Replacement Port-to-port length matches competitors’ three-piece models Stainless steel impeller and bearing plate for corrosion resistance and maximum efficiency Cast-iron or bronze pump housing Stator with built-in thermal ove
PUMP FEATURES and BENEFITS THE QUIET REVOLUTION IN PUMP SOLUTIONS Add-On Modules (More for Less!) Increase the versatility of your pump and reduce the need for, and cost of, buying additional pumps > Protection Module − enables direct connection to the mains switch (standard on single-phase motors) > Relay Module − features direct connection to mains switch, signals output for external operating or fault indications, and operates two pumps in parallel (duty, standby, and 24-hour alternating operation)
TACO B&G Manufacturer Model Port to Port Length Flange Size Grundfos Model Port to Port Length Flange Size 2-1/2” 10” 2-1/2” UP53-45F 1 9-7/8” 2”-2.5-3” LD3 10” 3” UP53-45F1 9-7/8” 2”-2.5-3” HD3 10” 3” UP53-46F 9-7/8” 2”-2.5-3” PD-35 12” 3” UPS53-55/57F1 11-7/8” 2”-2.5-3” 11-7/8” 2”-2.5-3” 14” 2”-2.
PUMP CROSS REFERENCE GUIDE ARMSTRONG Manufacturer Model Port to Port Length Flange Size Grundfos Model Port to Port Length Flange Size ARMflo E21 8-1/2” 1-1/2” UP43-110F 8-1/2” 1-1/2” ARMflo E23 8-1/2” 1-1/2” UP43-110F 8-1/2” 1-1/2” 1 9-7/8” 2”- 2-1/2”- 3” 9-7/8” 2”- 2-1/2”- 3” 1 S 45 10” 2-1/2” - 3” UP53-45F S 46 10” 2-1/2” - 3” UP53-46F1 S 55 12” 3” UPS53-55/57F 11-7/8” 2”- 2-1/2”- 3” S 57 12” 3” UPS53-55/57F1 11-7/8” 2”- 2-1/2”- 3” S 69 14-1/4” 3” UPS75-6
GLOBAL IMPACT Grundfos Pumps is a global enterprise with more than 16,000 employees and more than 60 sister companies worldwide. As one of the world’s leading pump manufacturers, Grundfos produces more than 10 million pump units annually and specializes in pioneering innovative pumping solutions. Grundfos has a track record of more than 25 years in the U.S. commercial market for wet rotor circlators.
