General
characteristics

Unit

Description,
Value

Installation
attitude

unrestricted

Mounting
method (standard)

oval 2-hole flange to ISO 3019/1
(SAE): QX 3-6 oval 2-hole flange to ISO 3019/2 (metric): QX 2+8

Direction
of rotation

CW
or CCW

Pump
drive method

in-line,
through a flexible coupling

Volumetric
efficiency hv

up
to 98%

Fluids

HLP mineral oils to DIN 51524 Part
2, HFC fluids to VDMA 24317

Maximum admissible level of
contamination of the hydraulic fluid

ISO
4406 code 20/18/15 (see section 9)

Operating viscosity Starting
viscosity

mm2/s

10
… 100 *

10
… 300 * *other values on request

Fluid
temperature range

°C

HLP-mineral oils -20 min. / +80 max.
/ HFC +50 max. range for max. long life cycle +30 …
+60 (considering viscosity field)

Inlet
pressure maximum

minimum

bar

1.5
absolute (without external drain connection)

0.5 … 0.98
absolute (dependent on pump frame size and speed, see example in section
3.3.2)

Startup
against pressure

bar

max.
20 (other values on request)

Seal
material

NBR
= standard / FPM (Viton) = option 09