ZJ Type High Pressure Grease Pump

Name: ZJ Type High Pressure Grease Pump
Brand: Herg
SKU: ZJ

The ZJ series high-pressure piston grease pump accepts up to two outlets working separately, each with its own piston mechanism.

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Electrically operated at DC 12V/24V, and can be connected to the power supply of the host equipment (e.g. engineering machinery, mobile machinery).
Special alloy-steel piston mechanism, for high accuracy, stable pressure, low noise and a long service life.
Fitted with a paddle that vents air from the grease as it works.
Can provide a pressure signal via a pressure switch fitted to the lubrication system, and a level signal via a level switch, enabling remote monitoring.
Control options: the pump's own controller can monitor operating and rest time, or the host equipment's PLC can control operating and rest time instead.

The ZJ series is available with a PC or a metal reservoir. PC reservoirs come in 2, 3, 4 or 8 litre capacities.

Specifications for ZJ Type High Pressure Grease Pump
Rated Operating Pressure	30 MPa
Discharge Capacity	2–3 mL/min (single piston mechanism); 4–6 mL/min (double)
Piston Mechanism	1 or 2 sets, one per outlet
Output per Stroke	0.12 cm³ fixed (ZJ-3602-05); 0.044–0.12 cm³ adjustable (ZJ-3602-05V), in steps of 0.013 cm³
Piston Diameter	6 mm
Reservoir	PC: 2 L, 3 L, 4 L, 8 L · Metal: 2 L, 4 L
Operating Voltage	DC 12 V / 24 V
Operating Current	4.0 A at 12 V, 2.0 A at 24 V full load; 0.8 A / 0.4 A idling at +20 °C
Motor Speed	22 rpm
Ambient Temperature	−35 °C to +80 °C
Grease	NLGI 000# to 2#, or mineral oil of 40 mm²/s (cSt)
Outlet Thread	M10 × 1
Control	External PLC, time-programme controller, or time-travel controller
Protection Rating	IP55