ECP Universal 1 Series – Positive Displacement Pump

For more than half a century, Waukesha Cherry-Burrell® has been a leader in the design, manufacturing and application of external circumferential piston (ECP) style, rotary positive displacement pumps. Waukesha pumps are in service around the world and offer many key features, including:

• 316L stainless steel body, cover, and shaft
• Easy disassembly for COP cleaning
• Elastomers that comply with FDA requirements
• Aseptic models available
• Meets 3-A sanitary standards

Long-life features:

• Up to 200 psi (13.8 bar) pressure capability
• No bearings in product zone
• Heavy duty bearing frame with large diameter shafts
• Grease lubed bearings for positive lubrication of all bearing over entire speed, temperature and pressure range
• Non-galling Waukesha “88” alloy rotors standard; permits running at tighter clearances and pumping a wide range of viscosities
• Remanufacturing and Inspect and Advise programs to extend life and reduce costs

Installation Features:

• Bidirectional flow. Rotors, locked with double jam nuts, rotate securely in either direction.
• No flow direction/shaft position specifications
• Versatile 3-Way mounting of gear case, including vertical alignment of ports
• Upper or lower shaft position
• Easy to install or convert single o-ring to mechanical seals
• Interchangeable installation dimensions with other Universal Series pumps

Body Standard:  316L Stainless Steel, Body retaining screws Options:

• Flush taps for future double seals

Ports Standard:  S-Line Options:

• Bevel Seat, I-Line, Q-Line; European DIN, SMS or RJT
• Male NPT, 150 lb. & 300 lb. Flanges. (150 lb. standard on Model 320)
• Rectangular Flange Inlet or Aseptic ports
• Extended ports
• Optional port sizes on 6, 18, 30 and 60 Models

Covers Standard:  316L SS plain cover with 3-Wing cover nuts Options:

• Vent or drain connections
• Aseptic, jacketed or vented
• Hex cover nuts

Rotors Standard:  Alloy 88 Twin Wing. Standard clearance for up to 180° F (82° C) Options:

• Hot clearance to 300° F (149° C)
• Clearance above 300° F (149° C) on application
• Special & front face clearances and slotted rotor hub for special applications
• Single wing for 30, 60, 130 and 220 models for minimal particulate damage

O-Rings Standard: Buna-N Options:

• Fluoroelastomer (FKM)
• EPDM
• Silicone
• Perfluoroelastomer (FFKM)
• FEP Encapsulates

Seals Standard: Single Buna-N O-Rings with Zirconia sleeve Options:

• 316L SS sleeve
• Double O-Ring Seal with Flush Connection
• Single Mechanical Seal with Carbon (One Piece) vs. Ceramic Seal Faces
• Double Mechanical Seal with outer Carbon Seal Face & Flush Connections
• Triple lip seals available for reliable performance in chemically aggressive applications or certain COP sanitary applications. Available upon request.
• Ceramic, Chrome Oxide, Silicon Carbide Seal Faces
• Two piece carbon inner seal

Gearcase Standard: Cast iron powder coated, 316L SS shafts, top shaft position, stainless steel bearing retainers, left hand shaft position Options:

• Stainless Steel gearcase
• Steel-It paint
• 17-4 PH shafts
• Lower shaft position
• Bearing Isolators
• Pedestal shims for side mounted pumps.
• Right hand shaft position on side mounted gearcase

Bases Standard: Flat plate, epoxy painted, with adjustable feet, SS coupling guard, and Lovejoy or Woods coupling Options:

• 304 SS unpolished plate base with adjustable feet
• Portable base with rubber wheels
• SS tubular bases

Drives

• WCB ISR Integral Speed Reducer Sizes 49, 79 and 239
• Direct connected gear motors

Tru-Fit® Close coupled Tru-Fit® pump mounted on stainless steel base with stainless steel adaptors standard. Features:

• No shaft alignment necessary. No coupling guard required.
• Special base design enhances cleanability.
• Reduces overall length of complete unit by an average of 20-25%.
• Average of 20-25 gear ratios available per horsepower.
• Separate oil sump for gear reducer and timing gears.

Options:

• 304 SS polished plate base.
• NEMA or IEC frames available. Right angle reducer also available for additional space savings.
• 1/2 through 60 horsepower drive options available.
• Horizontal or vertical porting.