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Face Guard &Flipper Jacks
Protect the coal face with compact，mining-duty hydraulic actuation.
Hydraulic jacks control face
guards and flippers for safer,
continuous longwall
mining.
Coal-Face
Protection
Shields the coal
face and helps
control loose coal.
Controlled
Flipper Movement
Precise actuation for smooth deployment and retraction.
Compact
Front-End
Integration
Short-stroke design fits tight front-end spaces.
High-Cycle
Reliability
Built for continuous duty in demanding conditions.
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Popular Face Guard & Flipper Jacks
Reference configurations for coal-face guarding and
front protection mechanisms
FGJ-100/70-250
Face Guard Jack
FLJ-120/85-350
Heavy-Duty Flipper Jack
FGJ-100/70-250 Face Guard Jack
Quick Details
· Double Acting
· Pin / Clevis Mounting
· Canopy Front / Face-Side
· Optional Holding Valve
· Mining-Duty Seals
· New / Replacement / Remanufacturing
Packaging & Delivery
· Ports capped and sealed
· Chrome rod protection
· Wooden Case / Steel Pallet
· Container / Consolidated Sea Freight
· Pressure-Test Report
Applications
· Standard Shield Supports
· Broken Coal-Face Conditions
· Replacement Jack Programs
· Roof Support Remanufacturing
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FLJ-120/85-350 Heavy-Duty Flipper Jack
Quick Details
· Double Acting
· Heavy Pin / Clevis
· Canopy / Front Protection Assembly
· Configurable Holding Valve
· Corrosion-Resistant Rod Plating
· Mining-Duty
Packaging & Delivery
· Fully retracted for shipment
· Protected pin bores
· Heavy Wooden Case
· Steel Export Frame
· Cycle Test
Applications
· Telescopic-Flipper Roof Supports
· High-Seam Shields
· Difficult Face Conditions
· Replacement & Retrofit
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Custom Face Guard & Flipper Jacks
Configure cylinder force, stroke and mounting around
the actual face guard or flipper mechanism.
Bore, Rod &
Force
Cylinder Bore · Rod
Diameter · Push /
Pull Requirement
Stroke & Flipper
Travel
Cylinder Stroke · Guard Rotation · Open / Closed
Position
Mounting &
Pin Geometry
Pin Diameter ·
Clevis Width . Pivot Locations
Hydraulic Circuit & Holding
Supply Pressure . Check / Holding Valve · Impact
Relief
Seals & Surface
Protection
Rod Seal Wiper .
Corrosion-Resistant
Plating
Sensors & Testing
Stroke Sensor .
Guard Position Feedback · Pressure
/ Cycle Testing
Successful Cases
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Face Guard & Flipper Jacks FAQ
Key answers for powered roof support manufacturers
and maintenance buyers
1. What are Face Guard & Flipper Jacks?
Face Guard & Flipper Jacks are hydraulic cylinders used
to control face guards and flipper mechanisms on roof
supports.
2. Where are they used?
Face Guard & Flipper Jacks are used in hydraulic roof
supports for underground longwall mining.
3. What bore sizes are available?
Face Guard & Flipper Jacks can be customized with
different bore and rod diameters.
4. What stroke lengths are available?
Face Guard & Flipper Jacks can be designed with
different strokes for specific guard movements.
5. What working pressures are available?
Face Guard & Flipper Jacks can be configured for
different hydraulic pressures and operating forces.
6. What mounting options are available?
Face Guard & Flipper Jacks can use customized pin,
clevis and mounting geometries.
7. What sealing options are available?
Face Guard & Flipper Jacks can use heavy-duty seals and
wear-resistant surface protection for mining conditions.
8. Can they be customized?
Yes. Face Guard & Flipper Jacks can be customized by
bore, stroke, force, mounting and hydraulic interface.