Universal 1 Series - 420/520 High Capacity - Positive Displacement Pumps
Positive Displacement Pumps designed to overcome the challenge of accurate pumping at high-volume capacities.
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WHERE TO BUY
FEATURES
Every revolution of the 420 pumps more than 1 gallons (6 liters) ; the 520, more than 2 gallons (8 liters). Ideally suited for tomato, vegetable and pet food industries and for chemical/industrial applications. FEATURES AND BENEFITS Sanitation Features
- Rotor/shaft connection sealed from product zone
- Sideway mounting capability for better draining
- 316L pump body and cover
- Non-galling Waukesha “88” alloy rotors standard; permits running at tighter clearances and higher efficiencies; 316 stainless also available
- Mechanical seals standard
- Aseptic model option available
Long-life Features
- Large diameter 17-4 PH shafts for greater strength
- Heavy duty bearing frame
- Double tapered roller bearings contribute further to precise rotor movement andlonger seal life
- Body bolted to gear case to maintain seal face contact, when removing cover androtors
- Greased lubed bearings for positive lubrication to all bearings over entire speed,temperature and pressure range
- No bearing in product zone
- Rotor nuts designed for extended service without loosening
Time-tested Waukesha Cherry-Burrell® rotary pump; circumferential-piston operating principle
In the Waukesha Cherry-Burrell design, arc-shaped "pistons” (rotor wings) travel in annular-shaped cylinders machined in the pump body; the resulting long sealing path reduces slippage and produces a smooth flow of product without destructive pulses or pressure peaks and without valves or complex parts.
FOR LOW VISCOSITY FLUIDS
Rotors, made of Waukesha “88” alloy, can be run with close clearance to the 316L stainless steel fluid head, without galling or seizing should inadvertent pressure surges cause contact. The close clearances combined with the rotor geometry, which gives a long sealing path between the pump inlet and outlet, means low slip operation. As a result, you achieve: high efficiency, good priming ability, metering capability and good flow control.
FOR HIGH VISCOSITY FLUIDS
The large fluid cavities of the rotors, plus the large, easy entry anti-cavitation ports, allow efficient pumping of high viscosity fluids, slurries or even liquids with large chunks or
particles.
FOR NON-LUBRICATING AND ABRASIVE FLUIDS
The Waukesha Cherry-Burrell design has no bearings in the fluid being pumped, no sliding or rolling contact and no rotor-to-rotor contact. This produces EXCELLENT SERVICE LIFE even under severe operating conditions.
DIMENSIONS & SPECIFICATIONS
MODELS 420-UHC AND 423-UHC
0-400 RPM speed range. 6", 150# flanged port size; suitable to 200 PSI (13.8 bar) differential pressure. Temperature range -40°F (-40°C) to 300°F (149°C).
Double barriers or seals protect at every opening to the pump chamber. Live steam or a sterile fluid is circulated between these double seals at the ports, in the cover and at the shaft seals form an impenetrable barrier to contaminants.
| AO | CP | D | I | J | L | O | U | 2X | FLANGE SIZE | |
|---|---|---|---|---|---|---|---|---|---|---|
| IN | 27.25 | 49.60 | 18.75 | 33.60 | 9.75 | 39.19 | 14.25 | 3.875 | 22.50 | ANSI 6" |
| MM | 692.2 | 1259.8 | 476.2 | 853.4 | 247.6 | 995.4 | 362 | 98.42 | 571.5 |
Approximate shipping weight: 2600 lb. (1180 kg.).
MODELS 520-UHC AND 523-UHC
0-350 RPM speed range. 8", 150# flanged port size; suitable to 150 PSI (10.3 bar) differential pressure. Temperature range -40°F (-40°C) to 300°F (149°C).
Double barriers or seals protect at every opening to the pump chamber. Live steam or a sterile fluid is circulated between these double seals at the ports, in the cover and at the shaft seals form an impenetrable barrier to contaminants.
| AO | CP | D | I | J | L | O | U | 2X | FLANGE SIZE | |
|---|---|---|---|---|---|---|---|---|---|---|
| IN | 27.25 | 51.47 | 18.75 | 33.60 | 9.75 | 39.55 | 14.25 | 3.875 | 22.50 | ANSI 8" |
| MM | 692.2 | 1307.3 | 476.2 | 853.4 | 247.6 | 1004.6 | 362 | 98.42 | 571.5 |
Approximate shipping weight: 3000 lb. (1360 kg.).