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Eaton DCF-800 self cleaning strainer design

Ronningen-Petter DCF-800 scraper strainer, up to 60 GPM

 

Eaton DCF-800 filter dimensionsEaton DCF-800 filter systemThe DCF-800 automatic filter has a volumetric capacity of 4 gallons and provides a gross filtration area of 264 in2 using a single 7" diameter x 12" long filter element.  The Eaton DCF-800 design was acquired by Ronningen-Petter during their 2006 acquisition of their filtration products.  Sometimes referred to as a "scraper strainer", the DCF-800 is a type of automatic filter to provide retentions from as fine as 15 microns as course as 1/4".

Applications which benefit from the DCF-800 filter designs include very viscous fluids, applications not involving water and processes which benefit form a consistent differential pressure.

 

Separating particles from viscous fluids

Conventional strainers and filters have elements that will quickly blind-over and cause the differential pressure to spike upwards.  Removing those elements also tends to carry-out a significant volume of process fluid.  The cost of replaceable filter media, the labor required to replace media and the varying differential pressure across a conventional filter housing makes pipeline strainers, bag filters and filter cartridge designs costly to maintain.  Conventional automatic strainers and filters use the process fluid to back-wash their elements which wastes a significant amount of process fluid; it will often still require further processing to reclaim process fluid and reduce disposal costs.  The DCF-800 minimizes the amount of wasted process fluid because the particulate resides concentrated within a purge chamber; each 1 second purge cycle will empty the 1/4 gallon purge chamber.  The purging frequency can be automated with a timer or based upon differential pressure when controlled by our custom PLC.  The result is a relatively concentrated purge of particulate, requiring no ongoing maintenance.

The most viscous application I can recall involves plastisol (the material used to make orange traffic cones) having a viscosity of 7000 CPS/cSt (a little over 25,000 SSU) and the customer needed to remove 10 micron carbon fibers.  More common applications involve food, beverages, coatings, lubrication fluids and slurries (water-based or otherwise).

 

DCF-800 Design Specifications:

  • Design Operating Pressure: Standard unit pressure is 300 PSIG (20 bar), minimum 30 PSIG (2 bar). Units with Teflon® elastomers have a maximum pressure of 150 PSI (10 bar)

  • Filter Body Volume: 4.19 gallons = 15871.56 cm³

  • Purge Chamber Volume: 0.24 gallons = 823.54 cm³ (Based on automatic purge)

  • Element Dimensions: 7” diameter X 12” long – 264 in²

  • Electrical Requirements: 110 or 220 Volt, 50/60 Hz cycle, 1 Phase (when applicable)

  • Air Requirements: 60 PSIG at 5 CFM – intermittent, must be clean, dry, and non- lubricated. ¼” NPTI process connection

  • Estimated Gross: 100 lbs (CCV/Push button purge). 231 lbs. with control enclosure on stand

  • Dimensions: 17" x 16" x 54" single station only (CCV/push button). All other configurations are 36” X 36” X 54”

 

The DCF-800 elements consist of slotted wedge wire, perforation and defined pore designs.  Slotted wedgewire is used for most applications within the 15 to 750 micron range with perforated elements used for 1/16", ⅛" and ¼" retentions.  The defined pore elements are available in sizes from 25 to 1125 microns and are considered a type of micro-perforated element.  All of our standard elements are fabricated for 316SS.

Seal options include Viton, food grade Teflon, Buna-N, EPT and food grade nitrile.  The cleaning discs are made of UHMWPE, PVDF PTFE and urethane.

The base configuration of the DCF-800 has a 1 1/2" manually operated ball valve; automation packages include actuated valves controlled by adjustable timers or PLC's depending upon the complexity of the control required.  As a custom fabricated product, we can satisfy most enclosure and connection style requirements.

If you think you might have an application for a DCF-800 filter system you can use our inquiry form to provide the design criteria or call us at 908.362.9981 so we can send you a proposal. Click on the following parts diagram or use the tables below to look-up the part numbers for specific DCF-800 components, then send us a spare parts inquiry for a quick price and lead time.

DCF-800 parts diagram for single actuator design


Slotted Elements 
Part Number Description
46661 15-Microns (0.0006”) 
46662 25-Microns (0.001”) 
40665 38-Microns (0.0015”) 
46663 50-Microns (0.002”) 
46664 75-Microns (0.003”) 
46665 100-Microns (0.004”) 
46666 150-Microns (0.006”) 
46657 175-Microns (0.007”) 
46656 200-Microns (0.008”) 
46667 230-Microns (0.009”) 
46668 380-Microns (0.015”) 
47340 610-Microns (0.024”) 
46659 750-Microns (0.030”) 
46658 1125-Microns (0.045”) 
Perforated Elements 
42674 1550-Micron (0.062”) 
42675 3125=Micron (0.125”) 
42676 6250-Micron (0.250”) 
Defined Pore Elements 
63087 25-Microns (0.001”) 
63088 38-Microns (0.0015”) 
63077 50-Microns (0.002”) 
63060 75-Microns (0.003”) 
63061 100-Microns (0.004”) 
63062 150-Microns (0.006”) 
63063 230-Microns (0.009”) 
63064 380-Microns (0.015”) 
63065 610-Microns (0.024”) 
63066 750-Microns (0.030”) 
63067 1125-Microns (0.045”) 
45694 O-ring, Element – Defined Pore Only -Teflon® 

Body Assembly (Teflon® Element Seals) 
Part Number Description
45451 Body Assembly, 2” NPTE Inlet/Outlet,
1½” NPTI Purge 
P-43853-CST  Screw, ½”-13 X 1 ½” Hex Hd. 
P-30672-CST  Leg Assembly, Half (Carbon Steel) 
P-10859-CST  Nut, ½”-13 X 5/16” Thk. Hex Jam 
45661 Actuator, Rotary, R/P 200 lb/in @ 60 PSI 
45663 Actuator Repair Kit 
P-20760-BRZ  Adapter, ¼” NPT X 45° Flare 
45675 Linkage Kit, Actuator to Purge Valve 
45657 Purge Valve, 2-Way 1 ½” NPTI 
45658 Kit, Repair, Purge Valve 
P-41181-TEV  Lid O-ring – Teflon 
45694 O-Ring, element DCF TFV 
Single Actuator Components 
45460 Lid for Teflon® Design
– Single Actuator Assembly 
42630 Screw, 7/16”-14 X 1¼” Hex. Hd. 
45463 Standoff 
45444 Compressor Bar 
45925 Screw, 5/16”-18 X ¾” lg. Soc Set 
45458 Extension 
P-10339-SS6  Plug, Pipe 
45592 Nut, ½-13 Flex Loc 
P-30848-SS4  Screw, ½-13 X 1 ¼” Hex Hd. Cap 
Cleaning Disc Repair Kits* 
46680 Kit, Cleaning Disc Repair – Teflon® 
46681 Kit, Cleaning Disc Repair – Kynar 
45542 Spacers, Cleaning Disc 
42925 Adapter, Cleaning Disc to Actuator 
45539 Plates, Cleaning Disc 
Cleaning Disc Assembly** 
46742 Teflon® Disc 
46743 Kynar Disc 

Cleaning Disc Repair Kits 
Part Number Description
46744 Kit, Cleaning Disc Repair – UHMWPE 
46680 * Kit, Cleaning Disc Repair – Teflon® 
46681 Kit, Cleaning Disc Repair – Kynar 
40706 Kit, Cleaning Disc Repair – Urethane
(f/Defined Pore) 
45542 Spacer, Disc 
42925 Adapter, Disc 
45539 Plate, Cleaning Disc 
P-10807-SS4 Washer, 5/16” Flat 
P-10771-SS6 Screw, 5/16”-18 X 1” Lg. Hex Hd. Cap 
Cleaning Disc Assembly 
46741 UHMWPE Disc Ass’y 
46742 Teflon® Disc Ass’y 
46743 Kynar Disc Ass’y
46608 Urethane Disc Ass’y
Single Actuator Components 
46690 Actuator, 3¼” X 11½” – Viton® Single 
46724 Actuator Repair Kit 
63068 O-ring, Comp. Assembly – Defined Pore Element
P-20763-BRZ Elbow, 3/8” NPTE X 45° Flare 
46217 Element Puller
42903 Adjustable Packing Wheel 
Cleaning Disc Repair Kits consist of
Cleaning Disc, Spring, Screws and Nuts. 
* Kit includes both standard spring for std. element
and soft spring for defined pore elements. 
Lid Packing – Single Actuator 
42957 Packing, Urethane 
42956 Packing, Teflon® -Current 
42918 Packing, Teflon®
-Previous 1862 and lower (7/8” Gland) 
45491 Packing, Viton® 2 seal (each – 2 required) 
47559 Lid (Twin Actuator Design) 
47180 Screw, 5/16”-18 X 1” Lg. Socket Set 
47560 Extension Pins – Lid to Single Actuator 
Fluid Seal Components 
45406 Kit, Packing Fluid Seal – Urethane
– Upper & Lower Seal (Twin Actuator Design)  
45407 Kit, Packing Fluid Seal – Teflon 
 – Upper & Lower Seal (Twin Actuator Design) 
47459 Fluid Seal (2 Piece) – (Star Wheel & Lantern) 
45410 Fluid Seal Retrofit Kit ** 
45411 Fluid Seal Flush Kit *** 
47455 Ring, Lantern (1-7/8” Lg.) 

Twin Actuator Components 
Part Number Description
47568 Twin Actuator Assembly
(Wetted Parts 316SS)* 
47569 Twin Actuator Assembly (All Parts 316SS) 
47553 Actuator – Twin Design
(Wetted parts 316 SS) 
47554 Actuator Rebuild Kit – Buna-N
(One Actuator Only) 
47552 Center Shaft – Twin Actuator Design 
42848 Screw, 5/16”-18 X 1¼” Lg. Hex. Hd. 
P-20762-BRZ  Elbow, ¼” NPTE X 45° Flare 90° 
Adjustable Packing Components 
42958 Packing, Urethane 
42919 Packing, Teflon® 
45490 Packing, Viton® Z-Seal 

Slotted Elements 
Part Number Description
46661 15-Microns (0.0006”) 
46662 25-Microns (0.001”) 
40665 38-Microns (0.0015”) 
46663 50-Microns (0.002”) 
46664 75-Microns (0.003”) 
46665 100-Microns (0.004”) 
46666 150-Microns (0.006”) 
46657 175-Microns (0.007”) 
46656 200-Microns (0.008”) 
46667 230-Microns (0.009”) 
46668 380-Microns (0.015”) 
47340 610-Microns (0.024”) 
46659 750-Microns (0.030”) 
46658 1125-Microns (0.045”) 
Perforated Elements 
42674 1550-Micron (0.062”) 
42675 3125=Micron (0.125”) 
42676 6250-Micron (0.250”) 
Defined Pore Elements 
63087 25-Microns (0.001”) 
63088 38-Microns (0.0015”) 
63077 50-Microns (0.002”) 
63060 75-Microns (0.003”) 
63061 100-Microns (0.004”) 
63062 150-Microns (0.006”) 
63063 230-Microns (0.009”) 
63064 380-Microns (0.015”) 
63065 610-Microns (0.024”) 
63066 750-Microns (0.030”) 
63067 1125-Microns (0.045”) 
45694 O-ring, Element
– Defined Pore Only -Teflon® 

Body Assembly (Teflon® Element Seals) 
Part Number Description
45451 Body Assembly,
2” NPTE Inlet/Outlet, 1½” NPTI Purge 
P-43853-CST  Screw, ½”-13 X 1 ½” Hex Hd. 
P-30672-CST  Leg Assembly, Half (Carbon Steel) 
P-10859-CST  Nut, ½”-13 X 5/16” Thk. Hex Jam 
45661 Actuator, Rotary, R/P 200 lb/in @ 60 PSI 
45663 Actuator Repair Kit 
P-20760-BRZ  Adapter, ¼” NPT X 45° Flare 
45675 Linkage Kit, Actuator to Purge Valve 
45657 Purge Valve, 2-Way 1 ½” NPTI 
45658 Kit, Repair, Purge Valve 
P-41181-TEV  Lid O-ring – Teflon 
45694 O-Ring, element DCF TFV 
Single Actuator Components 
45460 Lid for Teflon® Design
– Single Actuator Assembly 
42630 Screw, 7/16”-14 X 1¼” Hex. Hd. 
45463 Standoff 
45444 Compressor Bar 
45925 Screw, 5/16”-18 X ¾” lg. Soc Set 
45458 Extension 
P-10339-SS6  Plug, Pipe 
45592 Nut, ½-13 Flex Loc 
P-30848-SS4  Screw, ½-13 X 1 ¼” Hex Hd. Cap 
Cleaning Disc Repair Kits* 
46680 Kit, Cleaning Disc Repair – Teflon® 
46681 Kit, Cleaning Disc Repair – Kynar 
45542 Spacers, Cleaning Disc 
42925 Adapter, Cleaning Disc to Actuator 
45539 Plates, Cleaning Disc 
Cleaning Disc Assembly** 
46742 Teflon® Disc 
46743 Kynar Disc 

Body Assembly (Teflon® Element Seals)
T1:U23Element Components 
Part Number Description
63078 Screw, #10-24 ¼” X 1” lg. Shoulder Screw 
63068 Ring, Element Seal Retainer
– Defined Pore Element 
46653 Screw, #10-24 X ½” Hex. Hd. 
45968 Ring, Element Seal Retainer
– Slotted & Perforated Element 
46646 O-ring, Upper Element Seal
– Slotted & Perforated Element 
46217 Element Puller 
Single Actuator Components (Current) 
46690 Actuator, 3¼” Bore X 11½” Stroke (Single) 
46724 Actuator 46690 Repair Kit 
45457 Bolt, 5/16”-18 X 2¾” (Single Actuator) 
P-12375-SS6  Washer, 5/16” Locking 
47574 Washer, 5/16” SAE Flat 
P-20763-BRZ  Elbow, 3/8” NPTE X 45° Flare 
42903 Wheel, Packing – Single Actuator 
45491 Packing, Lid Viton® Z-Seal 
42956 Packing, Teflon® 
Twin Actuator Components (Current) 
45443 Lid for Twin Actuators
with Adjustable Packing & Fluid Seal 
45445 Standoff – Adjustable Packing Design 
47568 Twin Actuator Assembly
(Wetted Parts 316 SS) 
47569 Twin Actuator Assembly (All Parts 316 SS) 
47553 Twin Actuator – Single Act. Only
(Wetted parts 316 SS) 
47571 Twin Actuator – Single Act. Only
(All parts 316 SS) 
47554 Actuator Rebuild Kit – Buna-N
(One Actuator Only) 
47552 Center Shaft – Twin Actuator Design 
45455 Bolt, 5/16”-18 X 4” SS4 
P-20762-BRZ  Elbow, ¼” NPTE X 45° Flare 
42904 Wheel, Adjustable Lid Packing 
45407 Packing, Adjustable Teflon® 
45490 Packing, Adjustable Viton® Z-Seal 
45456 Standoff – Fluid Seal Design 
45461 Bolt, 5/16”-18 X 5” Lg. – Fluid Seal Design 
47459 Fluid Seal Assembly
(Star Wheel & Lantern Ring) 
47455 Ring, Lantern (New – 1-7/8” Lg.) 
45407 Seal, Teflon®, Twin with Fluid Seal
(Upper & Lower) 

Automation – Current – After August 1997 
Part Number Description
40673 Continuous Clean Valve (CCV)
(Dwg. E9-1035) 
40661 Continuous Clean Valve
(Design Retired – Use 40673) 
45545 Valve, Air, 4-Way with Push Button
(Dwg. E9-1030) 
46855 Electric Timer, Repeat Cycle
100-240VAC 
46858 Solenoid Valve, 4-Way 110VAC
(Single valve – 2-Required) 
46853 Solenoid Valve, 4-Way 220VAC
(Single valve – 2-Required) 
45667 -Repair Kit for Solenoid Valves
46858 & 46853 
46857  Circuit Breaker, 2-Pole, 1.6 AMP 
P-10937-BRZ  Muffler, ¼” NPTE 
46856 Timer Base 
Pressure Gauges 
P-20275-BRZ  Gauge, 2-1/2”, 200 PSI,
Liquid Filled, Back Conn., Bronze 
P-20275-SS6  Gauge, 2-1/2”, 200 PSI, Liquid Filled,
Back Conn., Stainless Steel 
Siemens PLC Components 
54002 EEPROM, Siemens S7-200 
*PLC REPLACEMENT  PLC, Siemens S7-200 AC/AC/AC 
*PLC REPLACEMENT  PLC, Siemens S7-200 DC/DC/DC 
54006 -Siemens Operations Manual 
54007 Siemens Display Module 
54003 Expander Module, Siemens S7-200 
46991 Battery Cartridge S7-200 
54003 Siemens Control Output Module 
Allen-Bradley PLC Components 
*PLC REPLACEMENT  PLC, MicroLogix 1200 
special order  Display, PanelView 300 
81521 Cable, PLC to Display 
* when ordering replacement PLC’s the original
Serial Number must be supplied 
order to ensure that the PLC is programmed properly
Misc. Automation Components Common to Either PLC 
46984 Power Supply, 110VAC/24VDC 2.5 amp 
54001 Power Supply, 220VAC/24VDC 2.5 amp 
P-11075-BRZ  Differential Pressure Switch 
P-20992  Pressure Transmitter,
1:1 Repeater (PMC) each 
45557 Solenoid Valve, 4-Way, 24VDC 
45667 -Repair Kit for P-41334 
P-12511  Bulb, 32 V 
49001 2.5 AMP Fuse 

Lid Components
(Previous – Cartridge Shaft Seal
– Serial No. 1725 and Lower) 
Part Number Description
46254 Cartridge Ass’y, Kynar, Buna-N,
Retainer Ring & Instructions 
46255 Cartridge Ass’y, Kynar, EPT,
Retainer Ring & Instructions 
46256 Cartridge Ass’y, Kynar, Viton®
Retainer Ring & Instructions 
46257 Cartridge Ass’y, Teflon®, Teflon®
Retainer Ring & Instructions 
42805 Cartridge Ass’y, Bronze, Buna-N
Retainer Ring & Instructions 
42809 Cartridge Ass’y, Bronze, EPT
Retainer Ring & Instructions
42811 Cartridge Ass’y, Bronze, Silicone
Retainer Ring & Instructions
42807 Cartridge Ass’y, Bronze, Viton®
Retainer Ring & Instructions
42813 Cartridge Ass’y, Bronze, Teflon®
Retainer Ring & Instructions
42819 Kit, Repair, Cartridge, Bronze, Buna-N
42835 Kit, Repair, Cartridge, Bronze, EPT 
42820 Kit, Repair, Cartridge, Bronze, Viton® 
42823 Kit, Repair, Cartridge, Bronze, Teflon® 
42802 Bronze Cartridge 
Consult factory Adapter, Drive 
46235 Inner Retainer Ring 
46230 Outer Retainer Ring
45522 Lid, Machine
* Retrofit kit includes, Packing wheel, lid, adaptor,
doctor plate, compressor bar, packing & fittings 
Retrofit Kit* – Convert from Cartridge Assembly
 to Adjustable Packing 
42960 Retrofit Kit, Urethane Adjustable Packing 
42923 Retrofit Kit, Teflon® Adjustable Packing
Purge Valve Components 
45621 Purge Valve with Rotary Actuator
– 1-1/2” Apollo
45657 Purge Valve Only – 1-1/2” 316SS Apollo
45658 Repair Kit – Purge Valve 45657
46027 Purge Valve with Rotary Actuator Ass’y.
(Jamesbury) 
F8-10009 Purge Valve Actuator – Repair Kit
(Jamesbury) 
45661 Rotary Actuator – Apollo Double Acting
-200 In/Lbs @ 60 PSI 
45663 Rotary Actuator Repair Kit (45661)
45675 Mounting Kit – Actuator to Ball Valve
Obsolete Parts Still Supported 
42904 Adjustable Packing Wheel 
45403 Lantern Ring -1-5/32” Lg. (1.15”)