Specifications

T-Rotor technical data.

Pump overview, spring and viscosity data, installation notes, failure table and wiring diagrams.

Pump type	Internal gear / T-Rotor
Fluid	Oils and fuel; lubrication, transfer, hydraulic
Viscosity	20–220 cSt at 40 °C (T-Rotor)
Temperature	80 °C standard; 180 °C with FKM seal (option)
Allowable pressure	0.5 MPa AR1/AR2/ATP-S; 3.0 MPa ATP-HA/H
Rotation	500–2000 rpm AR1/AR2; 300–2500 rpm ATP-HA
Ports	PT thread; flange options
Mounting	HA / HAB / HAF / H / HF / integrated motor

Installation

Notes on use.

Install the pump where it can be primed and serviced; keep the suction line short and air-tight.
Use clean oil; flush the piping before first start.
Do not run dry. Mechanical seals and oil seals need oil film.
Check rotation direction before coupling; reversible AR1/AR2 keep ports fixed.
Keep viscosity within 20–220 cSt at 40 °C; preheat heavy oil if needed.
For heat medium above 80 °C, specify the FKM oil-seal option.
Set the relief valve no higher than the allowable pressure of the pump.
Motor pumps: check voltage, phase and terminal wiring against the nameplate.
Fan cooler: keep the air path clear; clean the filter at the vacuum gauge mark.
Store horizontally, with ports capped, in a dry place.

Fault finding

Fault	Cause	Measure
No discharge	Wrong rotation, air in suction, blocked strainer	Check rotation, prime, clean strainer
Low pressure	Relief valve open, worn rotor, low viscosity	Adjust relief, replace rotor, check oil grade
Noise / vibration	Air in suction, cavitation, misalignment	Tighten joints, raise oil level, align coupling
Overheating	Pressure too high, viscosity too high	Reduce relief setting, preheat oil
Leak at shaft	Oil-seal worn	Replace oil-seal (NBR or FKM)
Motor trips	Wrong voltage, Phase loss, jammed pump	Check nameplate and wiring; free the rotor

Wiring

Check the nameplate, then confirm rotation before coupling the pump.

Wiring diagram · catalogue p.34