7.5 HP Oilless Claw
Medical Vacuum System
Duplex
Triplex
Quadplex
Expandable
Features
No Oi, No Water
No Mechanical Contact between rotors
Very Low Maintenance
Ultra high efficiency
Specifications
Class 1 Inc. [___] plex modular, [expandable], stack mounted
oilless rotary lobe medical vacuum system, factory
assembled and tested, as follows:
Model:
OLC750-S120X__[2,3,4]
Capacity (each pump):
52 SCFM @ 20” Hg
Electrical Requirements:
7.5 HP, ____V / 3 / 60 Hz
Receiver Capacity:
120 USG, Vertical
Vacuum Pumps: Rietschle VLR250 single stage, direct-driven,
oilless, air cooled, rotary lobe vacuum pump each complete with:
precision machined hook and claw rotors
high efficiency TEFC motor
shaft driven cooling fan
liquid level sight glass, vacuum gauge
manual bleed valve with muffler
manual drain valve
Control Panel: Special inspection approved, NEMA 12 enclosure,
factory prewired, system mounted and tested and complete with:
main disconnect switch
door interlock disconnect switch (each pump)
motor circuit controllers with motor overload protection and pushbutton manual disconnect (each pump)
magnetic motor starters
two control transformers with primary and secondary fusing
Manual / Off / Auto selector,switches (each pump)
90 dB alarm buzzer, Silence Button, Alarm Reset Button
PLC controls
4-line interactive text display complete with system status and alarm
events, hour meters, vacuum level, user adjustable settings, and
password protection.
Numbered terminal strip with dry contacts for site connection to
Master Alarm panel for: Lag / Failure; Motor Overload; Transformer
Pump Modules: Heavy gauge steel frame, 32”W, suitable for stacking
Failure; High Vacuum; Low Vacuum.
or side-by-side placement, powder-coated for corrosion resistance.
Programming and Control:
Each pump module to include:
All system settings to be user adjustable and accessible with the
system in operation and the control panel door closed
5µ inlet filter with replaceable element, inlet bleed valve, and 63.5
Lead
pump to operate between 20” and 24" Hg.
mm liquid-filled 0 to 760 mmHg vacuum gauge
Lead
pump(s)
to automatically alternate.
inlet check valve, isolation ball valve, and stainless steel flexible
Lag
pump
to
start
at 16” Hg.
inlet connector
Lag/Failure
alarm
to
require manual reset.
exhaust muffler, outlet check valve, stainless steel flexible outlet
Maximum
run
operation
to ensure pump alternation.
connector, valved drip leg, and isolation ball valve.
SmartStart controls to accommodate emergency generator power
transfers
System Piping: Common header to include copper pipe and fittings,
Low Vacuum alarm to be set at 15” Hg.
main isolation valve, one Vacuum DISS demand check valve.
Lag/Failure alarm contacts to open on: Lag condition; Motor
Overload; Power Failure; Transformer Failure; High Vacuum;
Receiver: Welded steel, ASME Certified and CRN Registered,
Selector
switch not in Auto position.
galvanized inside and out, and complete with:
class1inc.com
7.5 HP Oilless Claw
Medical Vacuum System
Duplex
Triplex
3
3
Duplex
Triplex
3
4
3
4
Quadplex
Expandable
Quadplex
Side
Capacities & Dimensions
Model Number
*Flow Each
*Flow Total
SCFM LPM
SCFM LPM
Length
In.
mm
Width
Height
In.
mm
In.
mm
**Weight
Lb.
kg
Duplex
OLC750-S120X2
52
1473
104
2945 56
1422 68
1727
96
2438
1950
885
Triplex
OLC750-S120X3
52
1473
156
4418 56
1422 68
1727
96
2438
2500
1134
Quadplex
OLC750-S120X4
52
1473
208
5890 56
1422 96
2438
96
2438
3050
1384
* Flow capacities shown @ 20” Hg
** Weights are approximate.
class1inc.com
ã 1997 - 2006 Class 1 Inc.
Updated: November 14, 2006