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Operation Manual
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 has to be ordered
separately and is not included in the delivery.
Please check the delivery immediately after
receiving the shipment for apparent dam-
ages 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.
• Unrestricted mounting position.
• Verify the mounting surface for the valve. Uneve-
ness 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 mounting
surface
• Check the proper position of the valve ports and
the O-rings.
• Mounting bolts:
D31FE: 4 pcs. M6x40
D41FE: 2 pcs. M6x55, 4 pcs. M10x60
D81/91FE: 6 pcs. M12x75
D111FE: 6 pcs. M20x90
use property class 12.9, ISO 4762
Parker offers bolt kits:
D31FE: BK385, D41FE: BK320, D81/91FE:
BK360, D111FE: BK 386
• Tighten the bolts crisscross with the following
torque values:
D31FE: 13.2 Nm, D41FE: 13.2/63 Nm,
D81/91FE: 108 Nm, D111FE: 517 Nm
D_1FE 5715-688 UK CM 18.01.2019
Pilot Operated Proportional DC Valve
Series D*1FE
Insufficient condition of the valve mounting
surface migth create malfunction! Incorrect
mounting resp. bolt torque may result in abrupt
leakage of pressure 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! Unal-
lowable temperatures, shock load, aggresive
chemicals exposure, radiation exposure, il-
legal electromagnetic emissions may result
in operating trouble and may lead to failure!
Follow the operating limits listed in the
"specifications" table!
Pressure Fluids
The following rules applies for the operation with
various pressure fluids:
This 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.
HFC: choose the right seal option.
For operation with the following pressure fluids
please consult Parker:
HFA
oil-in-water emulsion
HFB
water-in-oil emulsion
HFD
unhydrous fluids (Phosphor-Ester)
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 Parker.
8
Parker Hannifin Corporation
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