Presenting below hydraulic symbols or schematic symbols of hydraulic valves, valves control hydraulic symbols, electric motor hydraulic symbols, reservoir hydraulic symbols, directional valve hydraulic symbols, filter, electro hydraulic servo symbols etc.
A hydraulic schematic diagram or a hydraulic symbol is a drawing, usually a line drawing, consisting of symbols that indicate the types of components the hydraulic tools and equipments like motor, cylinder, valves contain and how they are interconnected. The hydraulic symbol or schematic symbol provides a roadmap of the hydraulic system to a technician. It becomes easier for the technicians to identifying possible causes of a problem of the system by reading and interpreting hydraulic symbols. This can save a lot of time and money when troubleshooting hydraulic problems.
If a hydraulic diagram is not available, the technician must trace the hydraulic circuit and then find its components to draw out the possible causes of the problem. A simple hydraulic symbol removes the need to 'reverse engineer' the hydraulic circuit.
Single
Stage- Relief Valve (Adjustable)
By Twist
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Two Stage Relief Valve-Internal/External Pilot
operated (Adjustable) |
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By Push Button |
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Two Stage Sequence Valve-Internal/External Pilot
operated ( Normally Closed Adjustable) |
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By Pull Button |
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Two Stage Proportional Pilot Operated Relief Valve |
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By Lever |
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Single Stage Reducing Valve (Adjustable) |
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By Foot Pedal |
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Two Stage Reducing/Relieving Valve-Internally Pilot
Operated (Adjustable) |
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By Plunger |
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Gate Valve |
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By Roller |
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Check Valve-Spring Closed |
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By Spring |
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Pilot to Open Check Valve |
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By Single Solenoid (One winding) |
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Adjustable Restrictor Valve |
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By Single Solenoid (Two Opposed Windings) |
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Variable Pressure Compensated Flow Control Valve |
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By Electric Motor |
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Priority Flow control |
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By Pneumatic Pilot Pressure (Direct) |
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Flow Divider/Combiner Fixed Ratio Outputs |
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By Differential Pilot Areas |
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One Way Adjustable Restrictor Valve-With Free Flow in
One Direction & Restricted Flow in the other Direction |
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By Oil Pressure (via Control) |
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Shuttle Valve |
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By Pneumatic Pressure (via control) |
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Quick Exhaust Valve (Pneumatic) |
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By Internal Control Path |
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By External Control Path |
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By Solenoid Operated Pilot Valve |
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Notes: Valve control symbols may be drawn at any
convenient position across end of valve rectangle. |
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