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D_FB-D_1FB 5715-669 UK.indd CM
Prop. Directional Control Valve
Series D*FB / D*1FB
Operation Manual
Parker Hannifin GmbH
Hydraulic Controls Division
4. Mounting / Installation
Scope of Supply
Please check immediately after receiving the valve,
if the content is matching with the specified scope
of supply. The delivery includes:
• valve
• operation
manual
The central connector assembly as well as the
parametrizing cable has to be ordered separately
and are not included in the delivery.
Please check the delivery immediately after
receiving the shipment for apparent damages
due to shipping. Report shipment losses at
once to the carrier, the insurance company
and the supplier!
Mounting
• Compare valve type (located on the name plate)
with part list resp. circuit diagram.
• The valve may be mounted fix or movable in
any direction.
• Verify the mounting surface for the valve. Une-
veness of 0.01 mm/100 mm, surface finish of
6.3 μm are tolerable values.
Keep clean valve mounting surface and work
environment!
• Remove protection plate from the valve moun-
ting surface
• Check the proper position of the valve ports
and the O-rings.
• Mounting bolts:
D1FB: 4 pcs. M5x30
D3FB: 4 pcs. M6x40
D31FB: 4 pcs. M6x40
D41FB: 2 pcs. M6x55 / 4 pcs. M10x60
D91FB: 6 pcs. M12x75
D111FB: 6 pcs. M20x90
use property class 12.9, DIN 912
Parker offers bolt kits:
D1FB: BK375, D3FB: BK385, D31FB: BK385,
D41FB: BK320, D91FB: BK360, D111FB:
BK386
• Tighten the bolts crisscross with the following
torque values:
D1FB: 7.6 Nm / D3FB: 13.2 Nm
D31FB: 13.2 Nm, D41FB: 13 (63) Nm, D91FB:
108 Nm, D111FB: 517 Nm
Insufficient condition of the valve mounting
surface migth create malfunction!
Incorrect mounting resp. bolt torque may
result in abrupt leakage of hydraulic fluid on
the valve ports.
Operation
Limits
The valve may be operated within the determined
limits only. Please refer to the “technical data“ sec-
tion as well as to the “characteristic curves“ in the
catalog.
Follow the environmental conditions! Unallo-
wable temperatures, shock load, aggresive
chemicals exposure, radiation exposure,
illegal electromagnetic emissions may result
in operating trouble and may lead to failure!
Follow the operating limits listed in the “spe-
cifications“ table!
Pressure Fluids
The following rules applies for the operation with
various pressure fluids:
The above information serves for orientation
and does not substitute user tests among the
particular operating conditions. Particularly no
liabiliy for media compatibility may be derived
out of it.
mineral oil
usable without restriction
HFA
oil-in-water emulsion
consultation required
HFB
water-in-oil emulsion
consultation required
HFC
aqueous solution (glycols)
consultation required
HFD
unhydrous fluids (Phosphor-Ester)
consultation required
For detailed information concerning pressure
fluids note VDMA-document 24317 as well
as DIN 51524 & 51502.
Special gaskets may be available depending
on the utilized fluid.
In case of insecurity please consult the fac-
tory.
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