Parker Hannifin
Pump & Motor Division Europe
Trollhättan, Sweden
59
Catalogue MSG30-8200/UK
BPV_F1_schematic.eps
Leif A./020114
’q’
Pilot operated
check valve
Solenoid
valve
Directional control valve
(‘open centre’)
F1 pump Valve block Drain port (External line)
BPV-F1 and BPV-T1 bypass valve
• Thebypassvalveismainlyutilisedinapplications
where the F1 pump is driven from the crank-shaft
through a cardan shaft, or when it is installed on an
engine PTO.
• TheBPVbypassvalveshouldbedisengagedduring
transportation when the pump is operating constantly
and the engine is running at max rpm; the hydrau-
lic system is not sized for the large flow that would
otherwise go through it.
• TheBPVvalvesubstantiallyreducestheenergy
loss during transportation.
• Thevalveinstallsdirectlyontopofthepumpend
cap with a pressure port ’banjo’ fitting and an inlet
port spacer bushing with two cap screws; refer to
the illustration to the right.
• AstheBPVvalveissymmetrical,itcanbe’turned
180°’ to prevent interference with chassis compo-
nents; it can be utilised for either left hand or right
hand pumps.
• Thevalvefunctionmustonlybeactivatedor
released (by means of the 24 VDC solenoid)
at no-load (below 20 bar) system pressure.
IMPORTANT INFORMATION
- In order to secure a cooling flow through the system,
a separate drain line must be connected from the
BPV-F1 drain line fitting directly to tank; (shown in the
Installation Information Bulletin MSG30-8227-INST/
UK/DE) refer also to the schematic.
- The pressure connector must be tightened
(to 50 Nm) before the suction fitting clamp screws
are tightened.
Bypass valve schematic.
Truck Hydraulics
Auxiliary valves
Pump pressure port
Pump suction
port
Pressure connector
Valve body
O-ring (x2)
(F1 end cap)
Suction
adapter
Hold-
down
clamp
(x2)
O-ring
(x3)
Spacer
bushing
Technical Information
39 (39)
BSP 1"
(BSP 3/4")
12
60
Parker Hannifin
Pump & Motor Division Europe
Trollhättan, Sweden
Catalogue MSG30-8200/UK
105 (103)
110
(109)
Truck Hydraulics
Auxiliary valves
Ventilblock_09-02-05.ai
Leif A.
105 (103)
110
(109)
BPV-F1 and -T1 installation and cross section without
manual override
NOTE: Dimensions are shown for BPV-F1-81
(those for BPV-F1-25 are in parenthesis)
NOTE: Dimensions are shown for BPV-F1-81
(those for BPV-F1-25 are in parenthesis)
IMPORTANT:
Always tighten
the pressure
connector
before tighten-
ing the cap
screws.
Also, see table
to the left.
IMPORTANT:
Always tighten
the pressure
connector
before tighten-
ing the cap
screws.
Also, see table
to the left.
Valve
housing
Drain port
(plugged);
BSP 1/4"
Hold-down
clamp (x2)
Cap screw
(x2)
Valve
housing
Drain port
(plugged);
BSP 1/4"
Hold-down
clamp (x2)
Cap screw
(x2)
Solenoid
valve
Solenoid
valve
Connector
(included)
Connector
(included)
BPV-F1 installation and cross section with manual
override
Manual
override
BPV-F1 and BPV-T1 Bypass valve
With manual override
Bypass
valve
Voltage Ordering
number
For F1 and T1
size
Torque
1)
BPV-F1,
BPV-T1
24 VDC
378 4179
F1-25
2)
, -41,
-51, -61 and
T1-81
50 Nm
24 VDC
378 4180
F1-81, -101
and T1-121
100 Nm
Drain fitting kit
2)
F1-025
378 1640
Contains a drain line
fitting a bonded seal and
nozzle.
Drain fitting kit
other F1, T1 and F2
378 3039
Contains a drain line fit-
ting and a bonded seal.
N.B. Included in the
complete bypass valve.
1) Torque pressure connector to:
2) Drain fitting kit 378 1640 must be ordered separately
for F1-025.
Bypass
valve
Voltage Ordering
number
For F1 and T1
size
Torque
1)
BPV-F1,
BPV-T1
24 VDC
12 VDC
378 7201
378 7202
F1-25
2)
, -41,
-51, -61 and
T1-81
50 Nm
24 VDC
12 VDC
378 7203
378 7204
F1-81, -101
and T1-121
100 Nm
Drain fitting kit
2)
F1-025
378 1640
Contains a drain line
fitting a bonded seal and
nozzle.
Drain fitting kit
other F1, T1 and F2
378 3039
Contains a drain line fit-
ting and a bonded seal.
N.B. Included in the
complete bypass valve.
1) Torque pressure connector to:
2) Drain fitting kit 378 1640 must be ordered separately
for F1-025.
Bypass valve, type
BPV-F1-25 to -101 and
BPV-T1-81 and -121
Max pressure, continuous 350 bar
intermittent 400 bar
Solenoid voltage 24 VDC
Power requirement 14 W
Operating mode Activated solenoid:
Check valve closed
Bypass valve, type
BPV-F1-25 to -101 and
BPV-T1-81 and -121
Max pressure, continuous 350 bar
intermittent 400 bar
Solenoid voltage (option) 24 VDC, (12 VDC)
Power requirement 14 W
Operating mode Activated solenoid:
Check valve closed
BPV-F1 and BPV-T1 Bypass valve
Without manual override
Ordering information and Drawings