// Catalogue

Manually Operated Valves for Lever, Pedal and Push Button Control

Manual operated valves let an operator shift the spool directly by hand or foot, using a lever, button, pedal or knob. TSA Hydraulics Engineering supplies them within the Directional Control family of our Valves range, for mobile machines, power units and pneumatic controls.

The handle is the only part of the circuit the operator actually touches, so its feel and return action matter. A spring return lever stops the motion the moment it is let go, while a detented lever stays put. Choose wrong and a safe machine becomes risky. Send the model code, and we will match a genuine valve or an equivalent.

// Buying guide

Types of Manual Actuator

Hand lever: the most common type, used on hydraulic power units, mobile machines and test stands.
Push button and palm button: quick on and off control, common on air circuits.
Foot pedal: frees the operator’s hands, and is popular on presses and workshop equipment.
Rotary knob or selector: sets a mode or holds a position on air panels.
Roller and plunger: technically mechanical rather than manual, these are shifted by a moving machine part.

Spring Return or Detent?

Spring return: the spool returns to centre or home the moment the operator lets go. This hold to run action is the safer choice for lifting, clamping and any motion that could hurt someone.
Detent: the spool stays where it is placed until it is moved again. This is handy for long running functions, such as running a hydraulic motor or a fan.
Friction detent: holds the lever in any position along its travel, which is useful for fine adjustments.

Some valves combine both, with spring return in one direction and detent in the other, or a detented float position.

Mobile Monoblock and Sectional Valves

Tractors, loaders, tipping trucks and cranes often use hand lever valves built for mobile work:

Monoblock valves: several spools in one cast body. They are compact and affordable, but fixed in size.
Sectional valves: separate sections bolted together, so you can add, change or repair one function at a time.

Many include a built in main relief valve, port reliefs for each function, and a float position for loaders and blades. Most are open centre, sending oil back to tank when every lever is in neutral. Cable kits and joysticks let the operator sit away from the valve itself.

Lever Valves on Power Units and Test Stands

On industrial hydraulic power units, a CETOP 3 or CETOP 5 lever valve bolts onto the same manifold as solenoid valves. It is a simple way to give manual control for setting up, testing or running a machine without electrics.

Safety Tips

Use spring return levers for any motion that could cause harm.
Guard or shroud levers so they cannot be knocked by accident.
Label every lever with its function and direction.
Check the relief valve setting whenever a valve is replaced.
For hand controls on presses, use proper two hand control systems, not single buttons.

Manual Operated Valves Specifications to Check

Actuator type: lever, button, pedal, knob or roller
Spring return, detent or friction detent
Number of sections, and the spool type for each
Open or closed centre, and any float position
Main and port relief settings
Port size, mounting, and maximum pressure and flow

Why Buy From TSA Hydraulics Engineering

As a manual operated valves supplier, we match the spool, return action and relief settings, so the machine handles exactly as the operator expects. You get OEM or equivalent options, and help sourcing manual operated valves replacement parts such as lever kits, sections, seals and relief cartridges. We tell you upfront whether a valve is genuine or an equivalent.

// FAQs