B. KFD... · Cylinder Piston: High temperature cup seals and heavy-duty wear rings protect the...
Transcript of B. KFD... · Cylinder Piston: High temperature cup seals and heavy-duty wear rings protect the...
Cylinder Piston:High temperature cup seals and heavy-duty
wear rings protect the cylinder barrel from
damage (scoring).
Switching Valve and Control Valve Actuator:Made of chromated corrosion resistant
aluminum alloy for a longer life.
• Trouble free poppet valve design.
• Determines load or unload mode
• Electric option available
Manifolds: Manifolds are identical and
interchangeable with only minor
hydraulic fitting changes.
Check Valve: JIC fittings. Externally mounted valves are
easily accessible and interchangeable.
Cylinder Barrel:The cylinder design increases the system’s
strength by using all the cylinders as structural
members. The cylinder barrel and not the rod,
moves the cross drive and floor. The large
barrel size and the shorter cylinder length
reduce deflection from the unloading forces.
Cylinder Head:The design includes two wear rings to protect
the seal and buffer seal from damage. Industrial
wipers clean the rods and reduce entry of
contaminants. Chromated cylinder head
reduces potential for corrosion.
Cylinder Rod: The cylinder rod is a structural member
of the drive unit and is attached at both
ends of the drive frame. The short rod
length and the drive frame attachment
reduce deflection from unloading forces.
The rod is induction case hardened
chrome plated for excellent wear.
Cross-Drives:Each cross-drive is supported by two
full length UHMW bearings mounted
on the trailer’s main frame beams.
M
B. Electric with Filter
A. Electric
M
M
page 2F-SeriesKFD 425 - Superior by Designpage 1
Ball Valve: Standard manual on/off
can be easily upgraded
to optional electric valve
for remote control
(wireless or by cable).
Pressure Filter: Large pressure filter for
longer service life.
NOTE: Options A- B can be used
with this On/O� Valve Body
• Fully supported by trailer main frame beams
• Low friction bearing support surface
• Strengthens drive unit area and reduces deflection
• Reduces the load on cylinders
• Standard design feature on all KEITH systems
Cross-Drive Support
SUPERIOR BY DESIGN
Design Features
KFD-425 WarrantyTwo year limited hydraulic warranty; please check with your owner’s manual, your sales representative or the KEITH website under warranty for KFD systems for more information.
Hydraulic Specifications:
KEITH® Service Clinics:Start Up Clinics, Service Clinics, Trouble Shooting Clinics and Training
Clinics are available to all KEITH customers and dealers. Please contact
your KEITH sales representative for more information.
Hydraulic Drive Unit Specifications KFD-425 Cylinder Bore Size 108 mm /4.25” Cylinder Stroke 200 mm /8” Maximum Working Pressure 210 Bar/ 3045 PSI Maximum Pump Flow 110 liter/ 30 gallon Load Capacity Exceeds Legal Limit Speed @ Maximum Pump Flow
2.5 m/minute8.2 ft/minute
• Interchangeable components reduce parts inventory
• Drive shoe designed for pre-drilling of floor planks
• Hydraulic components easily accessible for maintenance
• Chromate finish protects components from corrosion
• Durable & reliable light weight construction
Nut Bar:Inline pattern allows floor planks
to be installed completely from
the top for fast one person
installation.
Three Point Floor Plank Support System:1. Large bearing surface
2. Heavy–duty legs and 25mm x 25mm
tube or channel (1”x1” ) support load
3. Bearing “wings” provide a solid foundation
Cross-Drive Shoes:Long cross-drive shoes provide
structural strength to the floor
planks. Inline bolt pattern on drive
shoes allows for the pre-drilling of
aluminum floor planks.
Floor Planks:All floor planks are
interchangeable and can be
pre-drilled and
pre-countersunk for quick
one person installation.
Bearing
Floor Plank Profiles
Floor planks are available in a large
selection of profiles designed for light to
medium to severe duty for bulk materials
and pallet cargo. These include the PS™,
STANDARD DUTY, IMPACT™ and
V-FLOOR® Series. The V-FLOOR® planks
feature planks without seals, with the
bearing becoming the seal.
Winged Bearing*136 mm
(5.375”) Length
V-FLOOR®
J-Bearing
Length of Subdeck
End Cap
Splash Guard
Hold-Down*1.82 m (6’) Length
Hold-Down
Bearing
146 mm
(5.75”) Length
Smaller Drive Window:Compact drive unit allows for the
smallest opening in the trailer frame,
resulting in a stronger trailer design.
•The bearings shown in the bearings section marked * can be used on 25mm x 25mm
(1”x1” ) channel.
Splash Guard Hold-Down Bearing:• Full length floor plank hold-down
with full length floor support
• More than two times the bearing
surface compared to other systems
• Protects floor planks from road
debris
• Increases bearing and floor
plank life
• Fast and easy installation
25mm x 25mm (1” x 1”) Channel: • Lighter without compromising strength
• Bolted or welded to cross members. Splash bearings run full length
• Faster bearing installation
Optional: 25mm x 25mm (1”x1”) Tubing
PRESSURE SEAL®
Length of Subdeck
page 3 F-SeriesKFD 425 - Superior by Designpage 4
1
2
3
SUPERIOR BY DESIGN
Divided Forces Non-Divided Forces
Frame Design - Divided Unloading Forces• 50% of forces on each end of drive frame
• Results in less frame stress
• Longer frame life
• Equal forces in both directions for loading and unloading
Cylinder Design – De�ection • Cylinder is a structural component of the drive frame
• Piston rods do not move and are attached to both ends
of the drive frame
• The shorter length cylinder reduces deflection from
unloading forces
• The cylinder barrel acts to reduce deflection from
unloading forces
• Three point (1,2,3) support between cylinder heads and
piston reduces deflection
DRIVE SHOES
Floor Support
CYLINDER & PISTON
Deflection
SUPERIOR BY DESIGN
Drive Comparison
OTHER SYSTEMS:
KFD /F-SERIES:
OTHER SYSTEMS:
KFD /F-SERIES:
Other SystemsKFD /F-Series
Other SystemsKFD /F-Series
1220
mm
(48”
)
1905
mm
(75”
)
Hydraulic Drive Design – Compact/Interchangeability• Compact design for strength
• Universal drive unit - one design fits all trailers
• Lightweight
• Small drive unit opening for increased trailer strength
• Low overall drive unit height
• Modular design for easy maintenance and repair
• Interchangeable components means reduced parts inventory
• Inline bolt pattern on long shoes allows for pre-drilling of floor planks
page 6F-SeriesKFD 425 - Superior by Designpage 5
571 mm (22.5”) A
B
203 mm (8”)
Shoe
Shoe
50% of unloading force
100% of unloading force
50% of unloading force
Long Drive Shoe Design – Structural Strength• Excellent floor plank support
• Adds structural strength
• Better distribution of unloading forces to floor planks
• Supports load in drive area
• A<B = greater floor support
• Standard design feature on all KFD drive units
Note: Drive units shown to scale
31 2
Floor Plank
Floor Plank