Handmatige klep

Manual Valves | Manually Control Air Flow for Direct, Reliable Operation. Explore our range of manual valves, including lever, push-button, and toggle types. Requiring no external power, they control air flow direction through direct human action, making them the ideal choice for equipment setup, emergency stops, and simple pneumatic circuits, offering the most intuitive and dependable control method. Select the right manual valve for your application now.

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Master Your Control with Manual Pneumatic Valves

Our range of manual valves offers direct, dependable control over your pneumatic systems. Engineered for simplicity, durability, and precise operation, these valves are essential for applications requiring operator intervention, system setup, isolation, or safety lockout.

Waarom kiezen voor onze Manual Valves

Direct & Positive Control

Provides immediate tactile feedback and clear visual indication of valve status for confident manual operation.

Robust & Power-Free

Engineered for durability with no electrical power required, making them ideal for various environments and safety-critical applications.

Versatile Application

Suitable for system isolation, manual overrides, flow direction control, and simple on/off actuation in diverse pneumatic circuits.

Featured Manual Valve Series

4R3R serie pneumatische handbediende regelkleppen

4R/3R Series Hand Lever Valves

Robust hand lever valves offering reliable directional control for pneumatic actuators. Available in various port configurations and positions.

Pneumatische handbediende regelkleppen serie HV & K34

HV & K34 Series Manual Valves

Versatile manual control valves, including hand slide valves (HV) and rotary hand valves (K34), for simple on/off or directional control.

Pneumatische handbediende regelklep SH-serie

SH Series Hand Lever Valve

Compact and durable hand lever valves providing precise manual control for various pneumatic applications, easy to operate.

VHS-serie pneumatische veiligheidsafsluiter (ontluchting)

VHS Series Safety Lockout Valves

Manual shut-off valves with locking capability, designed to safely isolate and vent downstream air pressure during maintenance (LOTO).

Key Features of Our Manual Valves

Ergonomic Actuators

Handles, levers, and buttons designed for comfortable grip and easy operation, reducing operator fatigue.

Clear Position Indication

Many models feature distinct visual cues or detents to clearly indicate the current valve position (open, closed, or specific path).

Robust Body Construction

Made from high-grade metals or engineered polymers for excellent durability and resistance to industrial environments.

Safety Features

Options like lockable handles (e.g., VHS Series) or guarded actuators to prevent unintended operation and enhance workplace safety.

Belangrijkste parameters voor selectie Manual Valves

Valve Function & Positions

E.g., 2/2, 3/2, 4/2, 5/2, 5/3; number of stable positions (2 or 3).

Actuator Type

Hand lever, push button, rotary knob, hand slide, foot pedal.

Poortgrootte en schroefdraad

E.g., M5, G1/8″, G1/4″, G3/8″, G1/2″, NPT.

Bedrijfsdruk

Maximum working pressure the valve is rated for.

Flow Rate (Cv / Kv)

Indicates the valve’s capacity to pass air.

Return Mechanism

Spring return (momentary) or detented (maintained position).

Body & Seal Materials

E.g., aluminum alloy, brass body; NBR, Viton seals.

Mounting Options

Panel mount, body mounting holes, etc.

Raadpleeg voor gedetailleerde parameters de afzonderlijke producthandleidingen of raadpleeg onze technische experts.

Typische toepassingen van Manual Valves

A manual lockout valve, such as a VHS series valve, used for system isolation to safely shut off a section of a pneumatic circuit for maintenance or repair.

System Isolation & Shut-off

Manually isolating sections of a pneumatic circuit for maintenance, repair, or setup (e.g., VHS Series Lockout Valves).

A manual valve providing a manual override to operate an automated system component during a power failure or for testing.

Manual Overrides

Providing a manual way to operate an automated system or component in case of power failure or for testing.

A manual hand lever valve (such as a 4R/3R or SH series) at an operator workstation for direct control of pneumatic tools, clamps, or presses.

Operator Workstations

For direct operator control of pneumatic tools, clamps, presses, or other devices (e.g., 4R/3R, SH Series Hand Lever Valves).

A manual valve on a test bench or jig, used to manually control the air supply for testing pneumatic components or operating a fixture.

Test Equipment & Jigs

Manually controlling air supply for testing pneumatic components or operating fixtures.

A manual valve used to generate a pneumatic pilot signal, which in turn actuates a larger, air-piloted valve in a control sequence.

Pilot Signal Generation

Manually initiating a pneumatic signal to actuate larger, air-piloted valves in a control sequence.

Manual valves on an educational training system, used to demonstrate basic pneumatic principles and build simple control circuits.

Educational & Training Systems

Ideal for demonstrating basic pneumatic principles and building simple control circuits.

Handmatige klep Installation & Operation

Installatietips:

  • Mount the valve securely to a stable surface or panel, ensuring easy access for operation.
  • Connect air lines to the correct ports (IN, OUT, EXHAUST) as marked on the valve or in the manual.
  • Use appropriate fittings and thread sealant to ensure leak-free connections.
  • Ensure the air supply is clean and within the valve’s specified pressure range.
  • Position the valve so that the actuator (lever, button, knob) can be operated safely and comfortably.

Operation & Maintenance:

  • Operate actuators smoothly and avoid excessive force.
  • Periodically check for air leaks and ensure all connections remain tight.
  • Keep the valve and its actuator mechanism clean and free from obstructions.
  • For detented valves, ensure the detent mechanism engages positively.
  • Most manual valves require minimal lubrication if the air supply is appropriately conditioned. Refer to product specifics.

Always de-pressurize the system before installing or performing maintenance on manual valves.

Handmatige klep FAQs

Manual valves are preferred in situations requiring:

  • Direct Operator Control: When a human operator needs to initiate or stop a pneumatic function directly at the point of use.
  • Simplicity & Low Cost: For basic on/off or directional control where automation complexity and cost are not justified.
  • No Electrical Power: In environments where electricity is unavailable, undesirable (e.g., wet areas without proper IP rating), or poses a hazard.
  • Safety Lockouts: Valves like the VHS series are specifically designed for LOTO (Lockout/Tagout) procedures to safely isolate energy during maintenance.
  • Manual Overrides: As a backup or setup tool for automated systems.

The terms refer to the number of ports and flow paths:

  • 2-Way Valve (2/2): Has two ports (inlet and outlet) and two positions (open or closed). It’s a simple on/off valve. Our VHS series lockout valves function as 2-way or 3-way shut-off valves.
  • 3-Way Valve (3/2): Has three ports (typically inlet, outlet/cylinder, and exhaust) and two positions. It’s commonly used to control single-acting cylinders (pressurizing to extend, exhausting to retract via spring) or to select between two different air paths. The “R” in 3R/4R often denotes the number of ports in that specific series convention.
  • 4-Way or 5-Way Valve (e.g., 4R series might be 4/2 or 5/2): Used to control double-acting cylinders, providing air to extend and retract the cylinder. A 4-way valve has four distinct working ports; a 5-way valve has five (often two exhaust ports).
  • Selecting the correct port size is crucial for ensuring adequate airflow to your pneumatic device. Consider:

    • Actuator Size: Larger cylinders or tools generally require larger port sizes to achieve desired operating speeds.
    • Required Flow Rate (Cv/Kv): The valve’s flow capacity should match or exceed the system’s demand. Undersized valves can cause sluggish performance.
    • Tubing/Fitting Size: Match the valve port size to the existing or planned tubing and fitting sizes in your circuit to avoid unnecessary restrictions or adapters.
    • System Pressure: While not directly determining port size, it works in conjunction with flow rate.

    Product datasheets will list available port sizes (e.g., G1/4, G1/2) and corresponding flow rate data.

A Safety Lockout Valve, such as our VHS Series, is a critical safety component used in pneumatic systems. Its primary purpose is to isolate a section of the pneumatic system from the air supply and vent any trapped downstream air pressure. This ensures that machinery or equipment is de-energized and cannot unexpectedly operate during maintenance, servicing, or cleaning.

Key features and uses include:

  • Energy Isolation: Safely cuts off air supply to a machine or zone.
  • Venting Residual Pressure: Automatically vents downstream pressure to atmosphere when shut off, preventing stored energy hazards.
  • Lockable Handle: Allows a padlock to be attached in the “off” (vented) position, complying with LOTO (Lockout/Tagout) safety procedures.
  • Clear On/Off Indication: Provides a clear visual status of the air supply.

Manual valves are generally robust and require minimal maintenance, especially when used with clean, dry air. However, some periodic checks can ensure long life:

  • Check for Leaks: Periodically inspect for any air leakage from ports, seals, or the actuator stem.
  • Actuator Operation: Ensure the handle, lever, or button moves smoothly and fully engages in its positions (especially for detented types).
  • Cleanliness: Keep the valve exterior and actuator mechanism free of excessive dirt, grime, or corrosive substances.
  • Mounting Security: Verify that mounting screws or nuts are still tight.
  • Lubrication (Rarely Needed): Most modern manual pneumatic valves are designed for non-lube service. If your specific valve requires lubrication (check manual), ensure it’s done with a compatible lubricant.

If a valve becomes difficult to operate or leaks persistently, it may indicate internal seal wear or contamination, and servicing or replacement might be necessary.

Empower Your Operations with Reliable Manual Valves

For direct, dependable pneumatic control you can count on, explore our range of manual valves, including specialized hand lever, button, and safety lockout options. Find the perfect valve for your application or contact our experts for personalized guidance.

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