Vertical agitator

stainless steelelectrically-poweredfixed

Short description
Ceiling-mounted shaft agitator designed for closed tanks in biogas and industrial applications. Suitable for use up to 14% dry matter content.

Application / Suitable for

• Tanks with concrete ceiling

Main features

• Gear motor options: 11.0 kW / 15.0 kW / 18.5 kW
• Rod length: 3.0 m / 4.0 m
• Impeller diameter: 620–850 mm (depending on model)
• Shaft tube: Ø 101.6 x 4.0 mm (up to 3 m)
• Swivel range up to 40°
• Helical spur gearbox, low-noise
• Sealing membrane in EPDM 60
• POM protection to reduce wear

Technical data (table)
Type | Speed [rpm] | Rated power [kW] | Thrust [kN] | Frequency [Hz] | Impeller [mm] | Ex zone
FR3 | 275 | 11.0 | 2.9 | 50 | 800 | 2
FR3 | 400 | 11.0 | 2.5 | 50 | 620 | 2
FR4 | 275 | 15.0 | 4.1 | 50 | 850 | 2
FR4 | 400 | 15.0 | 3.3 | 50 | 660 | 2
FR5 | 400 | 18.5 | 3.9 | 50 | 700 | 2

Dimensions (table)
Type | A [m] | B [m] | C [m] | D | E [mm] | F [mm] | G [mm]
FR | 3.5 / 4.5 | 3.1 / 4.1 | 1.8 / 2.8 | 40 | 101.6 | var. | var.

Further information
The RÜHRGIGANT FR ceiling unit is engineered for ceiling installation in biogas and industrial plants. Available in power ratings from 11.0 kW to 18.5 kW. SUMA equips the impeller with a three-blade HD+ design. With speeds of 275 rpm to 400 rpm the FR models are among the faster mixers in the range. POM protection and a scraper plate at the impeller bushing protect the impeller from damage.

Characteristics / technical specifications

• Product family: RÜHRGIGANT FR (ceiling-mounted)
• Available drive powers: 11.0 kW, 15.0 kW, 18.5 kW
• Impeller options: standard V2A, optional V4A or hardened steel
• Impeller diameter: 620–850 mm (model dependent)
• Nominal speeds: 275 rpm and 400 rpm
• Shaft tube: Ø 101.6 x 4.0 mm (max. insertion length 3 m)
• Swivel range: up to 40°
• Gearbox: helical spur gear, low-noise
• Seal: EPDM 60 membrane
• Protection: POM protection at impeller bushing, scraper plate
• Approval / use: suitable for Ex Zone 2 (depending on type)
• Max. recommended dry matter content: up to 14%