Grundfos CR 6421 AGAV KUBV Vertical, Non-self Priming, Multistage, Inline, Centrifugal Pump with a Rated Current of 47/23.5 a, a Rated Flow of 339 US GPM, a Rated Head of 177 Ft and Cast Iron Construction

CR 6421 AGAV KUBV Vertical, Non-self Priming, Multistage, Inline, Centrifugal Pump with a Rated Current of 47/23.5 a, a Rated Flow of 339 US GPM, a Rated Head of 177 Ft and Cast Iron Construction

CR 6421 AGAV KUBV Vertical, non-self priming, multistage, inline, centrifugal pump for installation in pipe systems and mounting on a foundation. The pump has the following characteristics: Impellers and intermediate chambers are made of Stainless steel DIN W.Nr. DIN W.Nr. 1.4301. Pump head and base are made of Cast iron. The shaft seal has assembly length according to DIN 24960. Power transmission is via cast iron split coupling. Pipe work connection is via ANSI flanges. The motor is a 3 phase AC motor.

Technical:

• Speed for pump data: 3497 rpm
• Rated flow: 339 US gpm
• Rated head: 177 ft
• Shaft seal: KUBV
• Approvals on motor nameplate: UL Recognized Component, CSA

Material:

• Pump housing: Cast iron
• Pump housing: EN-JS1050
• Pump housing: ASTM 80-55-06
• Impeller: Stainless steel
• Impeller: DIN W.-Nr. 1.4301
• Impeller: AISI 304

Installation:

• Maximum ambient temperature: 104 °F
• Max pressure at stated temperature: 232 psi / 194 °F
• Flange standard: ANSI
• Pipe connection: 4"
• Pressure stage: 125 Lb.
• Flange size for motor: 254TC

Liquid:

• Liquid temperature range: 32 .. 194 °F

Electrical Data:

• Motor type: Baldor, ODP
• Rated power - P2: 20 HP
• Main frequency: 60 Hz
• Rated voltage: 3 x 230/460 V
• Service factor: 1.15
• Rated current: 47/23.5 A
• Starting current: 278/139 A
• Cos phi - power factor: 0,86
• Rated speed: 3525 rpm
• Motor efficiency at full load: 91,7 %