Italy Jurop PNR155D vacuum pump

Nov 06 , 2026

The Italy Jurop PNR155D vacuum pump is a direct-drive, air-jet-cooled sliding-vane unit with an airflow capacity of 15,200 L/min and an ultimate vacuum level of 93%. It features an integrated four-way directional control valve, allowing for seamless switching between suction and positive-pressure discharge operations.

Equipped with an automatic forced-lubrication system, the Jurop PNR155D vacuum pump offers excellent heat dissipation and is designed for long-term, heavy-duty operation. Its reliable construction and ease of maintenance make it the standard vacuum unit used in large-scale sanitation tanker trucks.

[mm]	L	M	N	O	Ø FISSO-FIXED	Ø ORIENTABILE-ADJ
PN 130	53	663,5	70	144	76 / 80 / 100	76 / 80 / 100
PN 140	58	682,5	70	149	80 / 100	80 / 100
PN 155	76	707,5	47	162	80 / 100	80 / 100

PNR155D Vane type vacuum pump

Italy Jurop PNR155D vacuum pump

».Structural Features

Integrated Four-Way Reversing Valve:

The reversing valve is built directly into the pump body, simplifying piping and resulting in a lower failure rate compared to configurations with an external valve.

Wear-Resistant Vanes:

Made of aramid fiber, these vanes are resistant to moisture and minor sewage droplets, offering a longer service life in sewage-handling applications than carbon vanes.

Independent Lubrication System:

Features an automatic, forced-drip lubrication system, complete with an oil inlet and an oil-level sight glass; an external side-mounted oil reservoir can also be connected.

➥ Optional Accessories: A full range of sanitation pump accessories is available, including oil-air separators, silencers, vacuum safety valves, intake filters, and check valves.

».Operating Principle

In this eccentric-rotor sliding-vane design, the rotor is mounted eccentrically within the pump chamber and equipped with wear-resistant aramid vanes housed in its slots. As the rotor spins, centrifugal force presses the vanes against the inner wall of the pump housing, creating sealed air chambers with periodically varying volumes:

PNR155D Vane type vacuum pump

Volume expansion → Suction, generating a vacuum (for drawing in sewage, sludge, or fecal waste).

Volume contraction → Gas compression, creating positive pressure for discharge (unloading). The pump features an integrated four-way reversing valve—eliminating the need for external valve assemblies—allowing for one-touch switching between vacuum suction and positive-pressure discharge modes.

Italy Jurop PNR155D vacuum pump

».Maintenance Essentials

✦ The air intake must be equipped with a moisture separator and a filter to prevent contaminants and debris from entering the pump, which would otherwise cause rapid wear of the vanes.

✦ Check the oil level regularly and replace the oil periodically using Jurop-specified vacuum pump oil. If water enters the pump, the oil must be changed immediately and the pump chamber cleaned.

✦ Avoid prolonged operation at the ultimate vacuum level (93%), as this can lead to overheating and damage to the vanes.

✦ Before startup, ensure that the lubrication circuit is clear and that the directional control valve is correctly positioned.