
4
INTRODUCTION
This manual applies to Kinney Vacuum KT Series models KT-840VFP and KT-1350VFP. You should be thoroughly familiar with
these instructions before attempting to install, operate or repair this unit. Consult Tuthill Vacuum & Blower Systems when problems
arise that cannot be resolved after reading this manual. Always include pump nameplate information when ordering parts or
components.
SPECIFICATIONS TABLE
MODEL
UNIT
KT-840VFP
KT-1350VFP
Displacement at rated RPM
CFM /
m
3
/h
484 /
820
778 /
1325
Motor
HP /
KW
30 /
22
40 /
30
Pump RPM
RPM
744
581
Oil Capacity
Gal /
Liter
15 /
57
28 /
106
Cooling water minimum at 80° F (17° C)
GPM /
I/m
2.5 /
9
3.5 /
13
Operating Weight
Lbs /
Kg
3650 /
1660
4375 /
1989
Max Gas Ballast Flow
CFM /
m³/h
34 /
58
62 /
105
Typical Blank off pressure with 5% gas ballast
Torr /
mBar
2 /
3
2 /
3
Ultimate Pressure (McLeod Gauge)
Torr /
mBar
0.01 /
0.013
0.01 /
0.013
DESCRIPTION
The KT-Series pumps covered herein have an oil
circulating pump to provide adequate lubrication at
all pressures including atmosphere. The vacuum
pump has three cams and pistons pumping in parallel,
driven by a common shaft. The cams are positioned
on the shaft so as to dynamically balance moving
parts. This balancing technique applied to the Rotary
Piston Principle was developed by Kinney Vacuum and
virtually eliminates vibration.
Figure 1 shows a cross section of the pump with the
pistons being driven by the cams and revolving within
the cylinder.
Gas is drawn into the pump through a common inlet,
channeled to the three piston slides and into the space
behind the pistons as they rotate.
The gas ahead of the pistons is compressed and forced
out the discharge valves. As the gas is forced through the pump, sealing oil is mixed with the discharged gas and the discharged
mixture is channeled into the separator, which is located in the reservoir, and there the gas is separated from the oil.
Sealing and lubricating oil is provided by the oil pump which is mounted on the non-drive head and driven by direct coupling to
the vacuum pump drive shaft. The oil pump provides forced feed oil circulation at all operating pressures including atmosphere. All
models have a channeled drive shaft with an opening at each cam to distribute oil through the pump.
Oil is taken from the reservoir at a point some distance above the reservoir bottom. This provides an area for impurities to collect
for draining.
INSTALLATION
INSTALL VIBRASPRINGS
KT-840VFP & KT-1350VFP pumps are supplied with vibrasprings which enable them to run quietly and vibration free. The pump
can be operated on any flat, level floor which will support its weight. The pump must be installed on the vibramounts and flexible
connectors fitted in suction, discharge, water and electrical connections. It is not necessary to bolt the pump to the floor
If the studs provided are not already installed into the vibrasprings, thread the short end into the top of the mount (smaller diameter)
up to the spacer portion of the stud. With the pump lifted off the ground, screw the vibrasprings into the four open threaded holes
in the flanged edges of the cylinder, in line with the bottom plate/cylinder bolts, at each corner.
Figure 1. Typical Cross Section
Содержание KT VFP Series
Страница 16: ...16 KT 840VFP KT 1350VFP FINAL PUMP ASSEMBLY ...
Страница 18: ...18 KT 840VFP KT 1350VFP MAIN PUMP ASSEMBLY ...
Страница 20: ...20 KT 840VFP KT 1350VFP OIL MIST ELIMINATOR ...