Internally Fed Rotary Drum Strainers

Schlueter Safgard Internally Fed Rotary Drum Strainers:
(Roll Dry and Wring Dry Systems)

Schlueter Safgard is a leader in Process, Separation, sanitation and ecology systems and equipment. Over 100 years of experience in design, engineering, and manufacturing and installation in food, process, industrial and municipal.

Roll Dry and Wring Dry Internally Fed Rotary Drum Strainers are used for the removal of liquids from solids. Among the industries that use these equipment models are Canning, Citrus, Meat, Poultry, Vegetable and other food related industries, Agriculture, Chemical and Petrochemical, Pulp and Paper, Forest and Wood Products, Paint and Industrial Finishing, Power Plants, and Municipal Sludge Separations.

Pictured Left: Safgard Internally Fed Roll Dry Rotary Drum Strainer

Roll Dry

Roll Dry Internally Fed Rotary Drum Strainers:

Engineered Advantage:

  • The Safgard Roll Dry Internal Rotary Drum Strainers are designed with a minimum of parts for mechanical reliability and service life.
  • Economic benefits provide savings in product, time and labor.
  • Strainer drum is constructed of wedgewire, helicol wound, screen, stainless steel, providing easy flow through of liquids. Perforated drums available upon request.
  • Drive systems available for electric, hydraulic and pneumatic operations.
  • Drive unit is double chain driven eliminating slippage in wet or greasy environments.
  • Unit allows for easy cleaning, inspection and maintenance in place.
Sizing Reference Roll Dry Internally Fed Rotary Drum Strainers
Strainer Slot Opening0.010.020.030.040.050.060.1
Mesh Equivalent6030221613118
Microns2505007501000125015002500
Model- Flow RateGPMGPMGPMGPMGPMGPMGPM
Model 24-4850488211751411160317642205
Model 24-60630110314681764200422052757
Model 36-481230215428683441391543085385
Model 36-601538269235864307489553856731
Model 36-721845323043035169587364628076
Model 48-481888330644045289601066118265
Model 48-6023604133550466117513826510,331
Model 48-7228334959660579359015991812,398
Model 60-60330057767694924210,50311,55314,441
Model 60-7239606932923311,09012,60213,86317,329
Model 60-844619808111,71119,93814,70216,17420,218

Sizing selection:

Determined by application, flow rate, solids load process characteristics and technical criteria established through experience. All design aspects of the application must be considered to determine model selection.

Flow Capacities:

RDS flow capacities are based on selection criteria above, and design parameters of the standard units. The sizing reference chart is for reference only. Flow rates handled by each model can vary.

Spare Parts List for Roll Dry Internally Fed Rotary Drum Strainer(**Most for Wedgewire)
Item / Spare Parts DescriptionPart Number
Large #1 Tooth Gear (UHMW-Polyethylene)31938
Small 20 Tooth Gear (UHMW-Polyethylene) 4-Bolt31939
6" Diameter Polyethylene Wheel (HDPE) Grooved31940
Wheel Bearing Set31941
Brush Bearing (1" Bore, 6-Bolt)31939-1
Axel with Nuts31942
Nozzles for Spray Bar31943
Axel for Wheels31934

Benefits:

  • Improved Product Recovery
  • Improved Liquid Recovery / Reuse
  • Cleanup Process Effluent
  • Remove Solids, Sludges, and Surface Debris
  • Improve Process Operation / Performance
  • Reduce Sewerage Requirements and Surcharges
  • Increased Production Efficiency

Wring Dry

Wring Dry Internally Fed Rotary Drum Strainers:

Engineered Advantage:

  • Strainer drum constructed with a Perforated Stainless Steel Drum, providing easy flow through of liquids. (Helicol wound stainless drums are also available upon request).
  • Drive Systems are available for electric, hydraulic and pneumatic operations.
  • Drive Unit is gear driven, eliminating slippage in wet or greasy environments, and engineered for consistent torque and long life.
  • Brush and Spray Wash Bar allows for easy cleaning, inspection and maintenance in place. Rotating Brush and Spray Wash Bars prevent the drum from clogging so it maintains maximum separation of liquids from solids.

Safgard-wring-dry-internally-fed-rds-parts-diagram-graphic

Pictured Above: Basic Parts diagram of a Safgard Wring Dry Internally Fed Rotary Drum Strainer

*Pictured Below: Wring Dry Internal Fed Rotary Drum Strainer by Safgard

Safgard-Wring-Dry-Internally-Fed-Rotary-Drum-Strainers

Wring Dry Model 25-72 RDS-IF - Outlet flow based on 10/1200 GMP 4" Head above outlet 25" Dia. X 72" Long
Connection SizeInlet GPM Gravity based on 12" head feeding inletOutlet GPM Gravity with 4" of head above outlet
4"200110
6"425245
8"750430
10"1200680
12"1700980
14"23501330
16"30001740
18"38502200
20"48002700
22"3290
24"3900
26"4600
28"5330
30"6,120

Sizing selection:

Determined by application, flow rate, solids load process characteristics and technical criteria established through experience. All design aspects of the application must be considered to determine model selection.

Flow Capacities:

RDS flow capacities are based on selection criteria above, and design parameters of the standard units. The sizing reference chart is for reference only. Flow rates handled by each model can vary.

Safgard-wring-dry-internally-fed-rds-graphic-diagram-model

Spare Parts List for Wring Dry Rotary Drum Strainers Models 25-72 with Perforated Drum
Quantity Used in RDSDescriptionPart Number
1#31932 Shaft Sleeve31932
1#31935 Variable Gear Motor Inline 1 HP31935
1Variable Gear Motor Right Angle31936
1Constant Speed Motor Inline 1 HP 110 RPM31937
1Large 81 Tooth Gear (UHMW-Polyethylene)31938
1Small 20 Tooth Gear (UHMW-Polyethylene) 4-Bolt31939
2Brush Bearing31939-1
26" Diam. Polyethylene Wheel (HDPE) Grooved31940
26" Diam Polyethylene Wheel (HDPE) Flat31933
8Wheel Bearing Set (Set = 1 Bearing/1 Race)31941
2Axel with Nuts31942
13Nozzles for Spray Bar31943
2Brushes 1 Shaft x 5" Diam. (Brush Only)31944
11/2 Two Way Solenoid Valve31945
1Gasket (2 Per Set)31946
4Axel for Wheels31934
1Cylinder31928
1Water Inlet Filter31948
1Shaft for Brushes31949
*Above Listed Both Constant Speed and Variable Speed Drives. Please Be Sure to Order the Model on Your Unit