LD Series - Large Duty
Rotho LD90 Peristaltic Pump
Double displacement LD series pump with larger tube diameter for increased flow capacity and solids handling.
Max Flow Rate
17,667 GPH
Max Pressure
116 PSI
Tube ID
90 mm
Displacement
7.133 Gal/Rev
Performance Specifications
Maximum Flow Rate17,667 GPH (66,878 LPH)
Displacement7.133 Gal/Rev (27 L/Rev)
Maximum Pressure116 PSI (8 BAR)
Maximum Suction Lift29.5 ft (9 m)
Maximum Speed37 RPM
Physical Specifications
Tube Inner Diameter90 mm (3.5 in)
Connection Size4"
Max Temperature185°F (85°C)
Motor Options20 - 60 HP
Drive TypeGear Reduced
Authorized Rotho Distributor
Required Motor Power
Performance curve showing HP (kW) requirements at various operating pressures
Flow Rate & Capacity
| Pump RPM | Capacity GPH | Capacity LPH |
|---|---|---|
| 0 | 0 | 0 |
| 10 | 4,237 | 16,038 |
| 20 | 8,474 | 32,076 |
| 30 | 12,710 | 48,114 |
| 40 | 16,947 | 64,152 |
| 50 | 21,184 | 80,190 |
Curves shown at: 116 PSI, 58 PSI, 29 PSI
Standard Features
Leak Detection
Auto-shutdown on hose failure
Clear Window
Visual inspection access
Modular Design
Easy maintenance
Retractable Roller
Optional quick-release system
Ideal Applications
Paper & Pulp
High-volume stock transfer
Food Processing
Large-scale product handling
Chemical
Bulk chemical transfer
After replacing our plunger pump, motor power dropped from 13 kW to just 4 kW — a 69% energy reduction — and filter panel cycle time was cut in half.— CERDOMUS Process Engineering, Ceramic Tile Production
Ready to Get Started?
Contact our team for pricing, lead times, and application assistance.
Request a Quote