Hydraulic Screw-in Cartridge Check Valve | Poppet Type High Pressure One Way Valve

Product Details

1, Sizes

2, Technical Parameters

3, Application

I. Construction Machinery (Most Mainstream Application Scenarios)

Applicable Equipment: Excavators, Loaders, Cranes, Aerial Work Platforms, Road Rollers, Forklifts

Functions: Outrigger Locking, Boom Anti-Dropping, Fork Pressure Holding, Motor Anti-Reversal

Core Functions

Maintain pressure for outrigger cylinders on cranes & excavators to prevent load slippage.

Provide safety anti-fall locking for lifting circuits of aerial work platforms.

Prevent reverse rotation impact of vibration motors after road roller shutdown.

II. Industrial Hydraulic Equipment

Applicable Equipment: Injection Molding Machines, Die Casting Machines, CNC Machine Tools, Hydraulic Fixtures, Photovoltaic Rolling Equipment

Core Functions

Block oil backflow in mold clamping & pressure holding circuits of injection molding machines to stabilize clamping force.

Maintain clamping pressure for machine tool hydraulic fixtures to avoid workpiece loosening.

Unidirectional pressure stabilization for high-pressure circuits of lithium battery & photovoltaic hydraulic equipment.

III. Special Vehicles for Agriculture, Forestry & Sanitation

Applicable Equipment: Harvesters, Tractors, Street Sweepers, Waste Compactors, Fire Rescue Cutters

Functions: Maintain pressure during direction switching for hydraulic actuators of agricultural implements; prevent accidental falling of lifting hoppers on sanitation vehicles.

IV. Marine & Offshore Engineering

Applicable Equipment: Marine Winches, Steering Gears, Deck Cranes, Offshore Platform Hydraulic Power Units

Functions: Lock winch loads; unidirectional pressure stabilization for steering gear circuits to resist load impacts from ocean turbulence.

V. Supporting Scenarios for General Hydraulic Systems

Hydraulic Pump Outlet: Prevent oil backflow after shutdown to avoid pump damage.

Accumulator Branch Circuit: Isolate accumulators to prevent reverse pressure release.

Lifting Platforms & Hydraulic Elevators: Unidirectional locking circuit for anti-fall safety.