Hydraulic Cylinder Check Valve Adaptor and Pipe Kit

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Hydraulic Cylinder Pilot Check Valve, Pipe and Adaptor Kit

Name: Single or Double Check Valve and Pipe kit for AU Cylinders
SKU: Plumb Kit Pilot Chk V
Price: 399.0 AUD
Availability: InStock

Store/Cylinders and Rams for Hydraulics/Cylinders and Rams Australian Made

SKU Plumb Kit Pilot Chk V

AU$399.00

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Cylinder Bore Size

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Load Holding On

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Valve Mounting

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Cylinder Stroke

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Hydraulic Cylinder Pilot Check Valve, Pipe and Adaptor Kit

Store/Cylinders and Rams for Hydraulics/Cylinders and Rams Australian Made

Product Details

Weight: 4.50 kg

Single or Double Check Valve, Pipe and Adaptor kit for our range of Australian Made Hydraulic Cylinders. Available to fit on Cylinders with bores from 1.5 to 5" and Strokes from a minimum of 10" inches to a Maximum of 48" inches.

If You are Purchasing one or More of Our Australian Made Hydraulic Cylinders with a bore between 1.5 and 5" inches and a stroke from 10 to 48" inches and you feel that the added safety that a Single or Double Check Valve will provide is a great investment.

If you are looking for more safety and better movement control of your cylinders try our
Hydraulic Cylinder Counterbalance Valve, Pipe and Adaptor Kit

Why Should you Choose To install Check Valves on to your Hydraulic cylinder:

Enhanced Safety: Protect your personnel and equipment from hazardous load drops especially during a hose burst situation.
Increased Reliability: Prevent damage from cavitation and maintain cylinder position over time.
Large Range of Solutions: Essential for a wide range of applications involving suspended or overrunning loads.

How to select your Pipe and Check Valve requirements: is done in 4 simple steps.

1. Cylinder Bore Size: Select from the drop down menu if your cylinder has a 1.5" or is a 2" "short" Cylinder, or if it has a bore diameter between 2.5" and 5" inches. The Default selection is (2.5" - 5" (Standard) length Cylinders)

2. Load Holding On (which cylinder port): Select from the Drop down Menu, whether you want Load Holding on the Cylinder's, Retract Port, Extend Port or on the Retract and Extend Ports. (Please see Image below).

3. Valve Mounting Position: Select from the Drop Down Menu whether you want the Counterbalance Valve Mounted on the Cylinder' A port or B port. (Please see Image below).

4. Cylinder Stroke: Select from the Drop Down Menu the Stroke of your Cylinder in inches.(Please note minimum Cylinder Stroke is 10" and a Maximum Stroke is 48" inches)

Plumbing kit (hardline pipes and adaptors and a single or double acting counterbalance to fit our Australian Made AG cylinders.
Please note this is ONLY for our Australia Made Cylinders.

Please Note:

This Kit Does Not Include the Hydraulic Cylinder.

Advantages of Check Valves:

Eliminates Damaging Cavitation: Maintains back pressure to prevent vacuum formation and extend cylinder lifespan.

Reasons for Installing Check Valves:

Check Valve are much simpler than Counterbalance valves.

The valve is set to open only when sufficient pilot pressure is applied to overcome this back pressure, ensuring the load doesn't free-fall due to gravity. This provides precise control over the lowering speed. Examples include excavator booms, forklift masts, and press rams.

Preventing Cavitation: When an overrunning load pulls the cylinder out faster than the pump can supply oil, a vacuum (cavitation) can occur in the cylinder's retracting port. Counterbalance valves, by maintaining back pressure, ensure there's always sufficient oil on the non-load-bearing side of the piston, preventing cavitation and the associated noise, damage, and erratic movement.

System Stability: In applications with large, moving masses, counterbalance valves can contribute to system stability by preventing sudden, uncontrolled movements.

Why Install on Extend and/or Retract Ports?

The decision to install these valves on the extend, retract, or both ports depends entirely on the application and the potential hazards or control requirements:

Check or Load Hold Valves:

Extend Port (most common): Typically used on the extend port of vertically mounted cylinders lifting a load, to control the descent.

Retract Port (less common): Might be used on the retract port in specific scenarios where the retracting motion is against an overrunning load.

Never typically needed on both ports for the same overrunning load scenario. The check valve is placed on the outlet side of the cylinder that is resisting the overrunning force.

In summary, check valves are essential safety and control components in many hydraulic systems. They provide protection against load drop, enable controlled movement of overrunning loads, and enhance overall system stability and reliability.

The specific ports on which they are installed are determined by the direction of the load force and the desired control during extension and retraction.

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