Reliable, Even in the Worst of Storms and Toughest of Conditions

LOWEST COST OF OWNERSHIPCOARSE SCREENING

FlexRake® FRHDMechanically Cleaned Bar Screens

• Industry-Exclusive FlexLink™ Design Incorporates a Robust 5 lb Stainless Steel Cast Link System—60,000 lb Ultimate Strength, 1,000 lb Debris Lifting Capacity

• Ideal for Open Channel Applications Where Debris Size and Velocity may be Unpredictable

• Assures Continued Flow—Even Through Heavy Storms—Without Interruption or Shutdown

• No Lower Sprockets, Bearings, Tracks or Guides That Require Underwater Lubrication or Dewatering For In-Channel Maintenance

Robustly simple front return Duperon® FlexRake® technology. Utilizes A36 steel with Duperon® standard coating or hot-dipped galvanized. Available with 2 inch to 4 inch openings.

• Effortlessly Removes Debris of All Sizes Without Interruption—No Alarms, No Operators, No Fuss

• Continually Cleans Across Entire Intake With Multiple Scrapers (No Cycle Times, No Clogging)

• No Carryover, Most Resilient Design In The Industry—Perfect for Stormwater, and Flood Control Applications

• Easy to Install and Easy to Operate

1200 Leon Scott Court | Saginaw, MI 48601 | P 989.754.8800 | F 989.754.2175 | TF 800.383.8479 | www.duperon.comDuperon® and FlexRake® are registered trademarks of Duperon Corporation. FlexLink™, Jam-Evasion™, Thru-Bar™ and Adaptive TechnologyTM are trademarks of Duperon Corporation. Your Path to the FutureSM is a service mark of Duperon Corporation. © Copyright 2014, Duperon Corporation.

2201/2/14/1M

The Duperon® FlexRake® FRHD

TYPICAL APPLICATIONSOpen channels, water intakes, coarse screens, irrigation canals, stormwater pump stations, flood control, hydroelectric.

UNIT WIDTH2 feet to 12 feet

UNIT LENGTH10 feet to 100 feet

ANGLE OF INSTALLATIONRange from vertical to 45 degrees, dependent upon site conditions.Optimum: 30 degrees from vertical.

STANDARD MATERIALS OF CONSTRUCTION

A36 steel, with Duperon® standard coating or hot-dipped galvanized.Available in 304 or 316 Stainless Steel

BAR OPENING2 inches to 4 inches

STANDARD SCRAPER SPACINGEvery 6th link

SCRAPER CONFIGURATIONSerrated scraper

TYPICAL MOTOR1/4 HP 3 PH, 230/460 VAC, weatherproof motor1/8 HP 1 PH, 115/230 VAC, with weather shield

STANDARD OPERATING SPEED0.5 RPM Scrapers move 28 inches/minute

SHIPPING DATA Ships fully assembled.For retrofit only, rake is partially assembled.

STANDARD CONTROLS OPTIONSPackages range from simple start/stop to sophisticated automation. Motor overload protection provided. Contact Duperon® for further details and assistance in selecting the perfect package for your site.

OPERATION OPTIONSContinuous/Manual.Automatic with timer, float, SCADA, differential/high-level sensing options with I/O as needed.

LOWEST COST OF OWNERSHIPCOARSE SCREENING

Full-Range Flexibility and Thru-Bar™ Cleaning; Ideal for Difficult-to-Capture Debris

FlexRake® FPMechanically Cleaned Bar Screens

• No Lower Sprockets, Bearings or Tracks to Foul or Jam

• Adapts to a Wide Range of Debris Variations; Full-Range Flexibility

• Toughest Link System in the Industry—60,000 lb Ultimate Strength, 1,000 lb Debris Lifting Capacity

• High-Capture Thru-Bar™ UHMW-PE Scrapers

• Low Horsepower, Energy-Efficient Drive System

• Five-Year Warranty for Wastewater Applications

Simple front cleaning, front return Duperon® FlexRake® technology. Stainless steel, rectangular true bar construction with openings of 5/8 inches to 4 inches.

Thru-Bar™ Scraper

Horizontal Supports(Cross Members)

Bars

Bar Tabs

Cleans 3 Sides of the Bar & Cross Members

1 3

2

(Plain View Cross Section)

1200 Leon Scott Court | Saginaw, MI 48601 | P 989.754.8800 | F 989.754.2175 | TF 800.383.8479 | www.duperon.comDuperon® and FlexRake® are registered trademarks of Duperon Corporation. FlexLink™, Jam-Evasion™, Thru-Bar™ and Adaptive TechnologyTM are trademarks of Duperon Corporation. Your Path to the FutureSM is a service mark of Duperon Corporation. © Copyright 2014, Duperon Corporation.

2637/12/14/1M

The Duperon® FlexRake® FP

TYPICAL APPLICATIONSWastewater, combined sewer overflows and prison applications. Also used in pulp and paper mills, raw water intakes, or other applications where debris is clingy, highly variable or difficult to capture or where debris may accumulate in or around bars.

UNIT WIDTH18 inch to 12 feetSingle Strand FlexRake® configuration available for channel widths of 18 inches to 24 inches.

UNIT LENGTH10 to 100 feet

ANGLE OF INSTALLATIONRange from vertical to 45 degrees dependent upon site conditions.

STANDARD MATERIALS OF CONSTRUCTION

Standard: 304 Stainless SteelAlternative: 316 Stainless Steel

BAR OPENING0.63 inches to 4 inches

STANDARD SCRAPER SPACINGEvery 2nd link

SCRAPER CONFIGURATIONUHMW-PE Thru-Bar™ scrapers

TYPICAL MOTOR1/2 HP, inverter duty, explosion proof

STANDARD OPERATING SPEED0.5 RPM Can be increased to 2.2 RPM in high flow conditions.1 discharge/minuteScrapers move 28 inches/minute

SHIPPING DATAShips fully assembled or can be provided in modular form to support install.

STANDARD CONTROLS OPTIONSPackages range from simple start/stop to sophisticated automation, including motor overload protection. Contact Duperon® for further details and assistance in selecting the perfect package for your site.

OPERATION OPTIONSContinuous/Manual.Automatic with timer, float, SCADA, differential/high level sensing options with I/O as needed.

Original FlexLink™ Technology 60,000 lb Ultimate Strength

(Shown Without Enclosure)

No Lower Sprockets to Foul or Jam

Full-Range Flexibility

Energy Efficient Low Horsepower Drive System

Jam Evasion™ Technology

Lifts or Pivots Around Debris

• Eliminates Need for Confined Space Entries and In-Channel Maintenance with no Lower Sprockets, Bearings, Tracks or Guides to Foul or Jam

Cleans within one inch of Channel Floor

LOWEST COST OF OWNERSHIPCOARSE SCREENING

Handles High Volumes, High Velocity, and All Types of Debris for Absolute Flow Protection

Duperon® SCTMaximum Duty Self-Cleaning Trashrack

• Lifting Capacity of 3,000 lbs

• Can Remain Unused for Long Periods, Yet Reliably Begin Operation During a Storm or Rain Event

• Built-In Redundancy—Each Chain Operates Independently. Cleaning Will Continue Even if One Chain Strand is Out of Service

• Self-Tripping Lifting Fingers—Debris Heavier than 3,000 lbs is Automatically Bypassed

Robustly simple front cleaning, rear return Duperon® Self-Cleaning Trashrack technology. Utilizes A36 steel with Duperon® standard coatings.

• No Underwater Bearings or Sprockets

• Cleans All of the Screen All of the Time

• Front Cleaning, Rear Return Means Lifting Fingers Do Not Have to Penetrate the Upstream Debris

• Prevents Debris from Sliding Down, Accumulating and Blocking Screen—Water Flow is Assured

• Easy to Install and Easy to Operate

1200 Leon Scott Court | Saginaw, MI 48601 | P 989.754.8800 | F 989.754.2175 | TF 800.383.8479 | www.duperon.comDuperon® is a registered trademark of Duperon Corporation. Adaptive TechnologyTM is a trademark of Duperon Corporation. Your Path to the FutureSM is a service mark of Duperon Corporation. © Copyright 2014, Duperon Corporation

2203/2/14/1M

The Duperon® SCT

TYPICAL APPLICATIONSLarge/high volume open channel conditions, hydroelectric, co-generation, nuclear power plant, flood control, stormwater, water intake, drainage pump stations and diversion dams.

UNIT WIDTHS5 to 10 feet wide

UNIT LENGTH10 feet to 100 feet

ANGLE OF INSTALLATION30 degrees recommended

STANDARD MATERIALS OF CONSTRUCTION

A36 Steel, with Duperon® standard coating or hot-dipped galvanized Stainless Steel also availableCL40 Iron304 Stainless Steel Lifting Fingers

BAR OPENING2 inches at bars and 3 inches at chain path

LIFTING FINGER SPACINGEvery 10 feet

LIFTING CAPACITY3,000 lbs

TYPICAL MOTOR1 HP Single Phase or 3 Phase Options

STANDARD OPERATING SPEED2.16 RPM outputLifting Fingers move 7 feet/minute

SHIPPING DATA Ships fully assembled

STANDARD CONTROLS OPTIONSPackages range from simple start/stop to sophisticated automation. Motor overload protection provided. Contact Duperon® for further details and assistance in selecting the perfect package for your site.

OPERATION OPTIONSOperates manually, in timed sequences or actuation by head differential.Auto operation available for remote locations.