Rotodyne S.R.L

MAIN FEATURES:
Hydraulic Test Stand mounted on a trailer (steel structure) equipped with four pneumatic wheels, towing through a
tow-bar
Maximum speed : 30 Km/h
Rear wheels equipped with drum brake handly opereted
Electric motor driven up to 50 GPM at 4000 PSI, maximum operating pressure 5250 PSI at reduced flow
2 Axial piston type high pressure pumps (coaxial mounting) with variable displacement and adjustable working
pressure
2 High Pressure 3 μ filter on delivery line equipped with differential pressure switch for filter clogged
Low pressure 3 μ filter
Stainless steel reservoir (200 litres) equipped with :
-inspection hole
-oil level device
-2 drain ports
-filling and drain port
-suction and return port
The HTS may be used with aircraft reservoir or test stand reservoir both
Sampling port to check the fluid class (according to NAS 1638)
Ambient working temperature: from -15 °C to +40 °C
Oil operating temperature: from 10 °C to 60 °C
Working fluid: MIL-H-5606E
HTS with two outputs and two inputs so as obtain different pressure and different flow on both circuits
simultaneously, with both gauges at high pressure
Return back pressure system

INSTRUMENTATION:
H.P. gauge, branch “A”, double scale F.S. 5500 PSI, 40 MPa
H.P. gauge, branch “B”, double scale F.S. 5500 PSI, 40 MPa
L.P. gauge, return and booster pressure, F.S. 140 PSI, 1000 KPa
Digital flowmeter, LPM or GPM readout
Digital thermometer, °C readout
Oil level
Hour counter

ELECTRIC MOTOR:
MEC type: 280-S4, four poles
Power rating: continuous 75 KW, intermittent 112 KW
Nominal current: ln = 145 A/ 380 V, 250 A/ 220 V
Starting current: 2 x ln
Starting system: star/ double star, Δ/ΔΔ
Air cooled
Supply: threephase 380V 50Hz +GND

MAIN FEATURES:
Hydraulic Test Stand mounted on a trailer (steel structure) equipped with four pneumatic wheels, towing through a
tow-bar
Maximum speed : 25 Km/h
Rear wheels equipped with drum brake hand
Electric motor driven up to 16 GPM at 3000 PSI or 6 GPM at 4500 PSI
Axial piston type high pressure pump with, variable displacement and adjustable working pressure
High Pressure 3 μ filter on delivery line equipped with differential pressure switch for filter clogged
Low pressure 25 μ filter
Stainless steel reservoir (120 litres) equipped with :
-inspection hole
-oil level device
-drain valve
-filling and drain port
-suction and return port
The HTS may be used with aircraft reservoir or test stand reservoir both
Sampling port to check the fluid class (according to NAS 1638)
Ambient working temperature: from -20 °C to +50 °C
Storage temperature: from -25 °C to +55 °C
HTS with two outputs and two inputs so as to obtain different pressure on both circuits simultaneously, with both
gauges at high pressure
Return back pressure system

INSTRUMENTATION:
H.P. gauge, branch “A”, F.S. 6000 PSI
H.P. gauge, branch “B”, F.S. 6000 PSI
L.P. gauge, return and booster pressure, F.S. 160 PSI
Digital flowmeter, LPM or GPM readout
Digital thermometer, °C readout
Oil level

ELECTRIC MOTOR:
Unel-Mec, construction shape B35 mounted on damping device
Power rating 22 KW
Supply asynchronous threephase 380V 50Hz +GND

SPECIAL FEATURES:
The HTS is suitable for transportation on Locked C-130 or similar
On request the HTS may be equipped with reels for manually retracting for flexible hoses and power cable

Function:
Performing tests on hydraulic systems of large and medium helicopters and aircraft like lockeed c130 Main features:
Hydraulic test stand mounted on a trailer (steel structure) equipped with four pneumatic wheels, towing through a
tow-bar maximum speed : 30 km/h
rear wheels equipped with drum brake handly operated
electric motor driven up to 30 gpm at 3000 psi or 10 gpm at 4500 psi
axial piston type high pressure pump with, variable displacement and adjustable working pressure
high pressure 2 μ filter on delivery line equipped with differential pressure switch for filter clogged
low pressure 25 μ filter
stainless steel reservoir (120 litres) equipped with :
-inspection hole -oil level device -drain valve -filling and drain port -suction and return port
the hts may be used with aircraft reservoir or test stand reservoir both
sampling port to check the fluid class (according to nas 1638)
ambient working temperature: from -15 °c to +40 °c
oil operating temperature: from 10 °c to 60 °c
working fluid: mil-h-5606e
hts with two outputs and two inputs so as obtain different pressure both and different level flow on both circuits
simultaneously, with both gauges at high pressure
return back pressure system

instrumentation:
h. P. Gauge, branch “a”, f. S. 6000 psi
h. P. Gauge, branch “b”, f. S. 6000 psi
l. P. Gauge, return and booster pressure, f. S. 160 psi
digital flowmeter, lpm or gpm readout
digital thermometer, °c readout
oil level
hour counter

electric motor:
mec type: 225-s4, four poles
power rating: continuos 37 kw, intermittent 55 kw
nominal current: ln = 73 a
starting current: 2 x ln
starting system: delta/star
air cooled

noise level:
76 db(a) at 1m; 72 db(a) at 7m

Function:
Performing tests on hydraulic systems of medium helicopters, light aircraft Main features:
Hydraulic test stand mounted on a trolley (steel structure) equipped with four pneumatic wheels, two of which on
rotating plate; easy hand-towing by a tow-bar on the front of the equipment.
electric driven up to 16 gpm at 3000 psi or 6 gpm at 4500 psi ( with pump pv series)
axial piston type high pressure pump with variable displacement and adjustable working pressure
high pressure 3 μ filter on delivery line equipped with electrical differential pressure switch for filter clogged
submerged cartridge suction filter 90 μ
steel reservoir (stainless steel on skydrol version),110 litres about, equipped with :
-inspection hole / oil level indicator, visual / drain valve / filling and drain port / suction and return port.
the hts may be used with aircraft reservoir or test stand reservoir both, throughout a 4 ways valve.
sampling port to check the fluid class (according to nas 1638)
ambient working temperature: from -20 °c to +50 °c .
proportional electric valve, with by-pass function, to set and control the max working pressure.
mechanical relief valve, to pilot the pump compensator, for the adjusting of the actual working pressure.
hts with two outputs and two inputs so as to obtain different pressure (with the aid of two pressure reducing
valves) on both circuits simultaneously, with both gauges at high pressure (only on "d" type)
return back pressure system.
two delivery h. P. Flexible hoses (size 1/2"), two return l. P. Flexible hoses (3/4"); one drainage flexible hose (size
3/8"). Length for all hoses: 6 m standard, max 10 m on request.

instrumentation:
h. P. Gauge, branch "a", f. S. 6000 psi, ø 150 mm
h. P. Gauge, branch "b", f. S. 6000 psi, ø 150 mm (only on "d" type)
l. P. Gauge, return pressure, f. S. 160 psi, ø 150mm (100 mm on "d" type)
digital flowmeter, lpm or gpm readout
thermometer, f. S. 100 °c, ø 100 mm (digital thermometer, °c readout, on "d" type)
oil level
hour-counter.

electric motor:
unel-mec, gr 160-l, construction shape b35 mounted on damping devices, air cooled
power rating 15 kw
supply: 200/480v 50-60hz, threephases+gnd
nominal current: ln = 32 a / 380v, 55,3 a / 220 v
starting current: 2 x ln
starting system: star/ δ

colour:
yellow ral 1007 standard, white for skydrol employment, other colours on request

Function:
performing tests on hydraulic systems on civil aircaft (dc 10 and similar) main features:
hydraulic test stand mounted on a trailer (steel structure) equipped with four pneumatic wheels, towing through a
tow-bar
maximum speed : 30 km/h
rear wheels equipped with drum brake handly opereted
electric motor driven up to 55 gpm at 3000 psi, maximum operating pressure 4500 psi at reduced flow
axial piston type high pressure pump with variable displacement and adjustable working pressure
high pressure 3 μ filter on delivery line equipped with differential pressure switch for filter clogged
low pressure 25 μ filter
stainless steel reservoir (200 litres) equipped with:
-inspection hole
-oil level device
-2 drain ports
-filling and drain port
-suction and return port
the hts may be used with aircraft reservoir or test stand reservoir both
sampling port to check the fluid class (according to nas 1638)
ambient working temperature: from -15 °c to +40 °c
oil operating temperature: from 10 °c to 60 °c
working fluid: skydrol 500-b(4)
hts with two outputs and two inputs so as to obtain different pressure and different flow on both circuits
simultaneously, with both gauges at high pressure
return back pressure system

instrumentation:
h. P. Gauge, branch “a”, double scale f. S. 5500 psi, 40 mpa
h. P. Gauge, branch “b”, double scale f. S. 5500 psi, 40 mpa
l. P. Gauge, return and booster pressure, f. S. 140 psi, 1000 kpa
digital flowmeter, lpm or gpm readout
digital thermometer, °c readout
oil level
hour counter

electric motor:
mec type: 280-s4, four poles
power rating: continuous 75 kw, intermittent 112 kw
nominal current: ln = 145 a/ 380 v, 250 a/ 220 v
starting current: 2 x ln
starting system: delta/star
air cooled
supply: three-phase 380v 50hz +gnd

MAIN FEATURES:
Hydraulic Test Stand mounted on a trailer (steel structure) equipped with four pneumatic wheels, towing through a
tow-bar
Maximum speed : 25 Km/h
Rear wheels equipped with drum brake hand
Diesel driven up to 19 GPM at 3000 PSI or 6 GPM at 4500 PSI
Axial piston type high pressure pump with, variable displacement and adjustable working pressure
High Pressure 2 μ filter on delivery line equipped with differential pressure switch for filter clogged
Low pressure 25 μ filter
Stainless steel reservoir (120 litres) equipped with :
-inspection hole
-oil level device
-drain valve
-filling and drain port
-suction and return port
The HTS may be used with aircraft reservoir or test stand reservoir both
Sampling port to check the fluid class (according to NAS 1638)
Ambient working temperature: from -20 °C to +50 °C (optional -32 °C)
HTS with two outputs and two inputs so as to obtain different pressure on both circuits simultaneosly, with both
gauges at high pressure
Return back pressure system
INSTRUMENTATION:
H.P. gauge, branch “A”, F.S. 6000 PSI
H.P. gauge, branch “B”, F.S. 6000 PSI
L.P. gauge, return and booster pressure, F.S. 160 PSI
Digital flowmeter, LPM or GPM readout
Digital thermometer, °C readout
Oil level
Gasoline level
Speed indicator (RPM), with hour counter integrated
DIESEL ENGINE:
Deutz type F4L1011, 4cylinders
Power rating: continuous 31 KW, intermittent 38 KW
Specific consumption: 148 g/CV/h
Starting motor: 24 v, 4KW
Ancillary alternator: 40 A at 28 V
N° 2 battery of 55 Ah
Motor oil: 15W 40 (optional 5W 30)
Air cooled

MAIN FEATURES:
Hydraulic Test Stand mounted on a trolley (steel structure) equipped with four pneumatic wheels, two of which on
rotating plate; easy hand-towing by a tow-bar on the front of the equipment.
Electric driven up to 11 GPM at 3000 PSI or 5 GPM at 4500 PSI (on request)
Axial piston type high pressure pump with variable displacement and adjustable working pressure
High Pressure 3 μ filter on delivery line equipped with electrical differential pressure switch for filter clogged
Submerged cartridge suction filter 90 μ
Steel reservoir (Stainless steel on Skydrol version), 110 litres about, equipped with:
-inspection hole / oil level indicator, visual / drain valve / filling and drain port / suction and return port.
The HTS may be used with aircraft reservoir or test stand reservoir both, throughout a 4 ways valve.
Sampling port to check the fluid class (according to NAS 1638)
Ambient working temperature: from -20 °C to +50 °C .
Proportional electric valve, with by-pass function, to set and control the max working pressure.
Mechanical relief valve, to pilot the pump compensator, for the adjusting of the actual working pressure.
HTS with two outputs and two inputs so as to obtain different pressure (with the aid of two pressure reducing
valves) on both circuits simultaneously, with both gauges at high pressure (only on "D" type)
Return back pressure system.
Two delivery h.p. flexible hoses (size 1/2"), two return l.p. flexible hoses (3/4"); one drainage flexible hose (Size
3/8"). Length for all hoses: 6 m standard, max 10 m on request.

INSTRUMENTATION :
H.P. gauge, branch "A", F.S. 6000 PSI, Ø 150 mm
H.P. gauge, branch "B", F.S. 6000 PSI, Ø 150 mm (only on "D" type)
L.P. gauge, return pressure, F.S. 160 PSI, Ø 150mm (100 mm on "D" type)
Digital flowmeter, LPM or GPM readout
Thermometer, F.S. 100 °C, Ø 100 mm (digital thermometer, °C readout, on "D" type)
Oil level
Hour-counter.

ELECTRIC MOTOR:
Unel-Mec, GR 160-M4, construction shape B35 mounted on damping devices, air cooled
Power rating 11 KW (15 kW)
Supply: 200/480V 50-60Hz, threephases+GND
Nominal current: ln = 21.5A / 380V, 37.3A / 220 V
Starting current: 2 x ln
Starting system: direct start

COLOUR:
yellow RAL 1007 standard, white for Skydrol employment, other colours on request