Valve de contrôle d'air

Valve manuelle pneumatique à glissière série HSV

Vanne de régulation de vide pneumatique série CV (à commande électromagnétique)

Vanne à navette pneumatique de la série ST (logique OR)

Vanne d'échappement rapide pneumatique série XKP

Soupape d'échappement rapide pneumatique de la série QE

Valve d'échappement rapide pneumatique série XQ

Vanne de démarrage progressif pneumatique série AV 2000-5000

Précision Air Control Valves for Optimal System Performance

Our air control valves are expertly engineered to direct and manage airflow in your pneumatic systems with exceptional reliability. Ideal for applications requiring robust, non-electric actuation, these valves ensure smooth operation and precise control for a wide range of industrial automation tasks.

Principaux avantages de notre Air Control Valves

Reliable Pneumatic Actuation

Operated by air signals (pilot-operated), offering dependable performance, especially in environments where electrical actuation is not preferred or feasible.

Robust & Durable Design

Constructed for longevity, our air control valves withstand demanding industrial conditions, ensuring consistent operation and minimal maintenance.

Versatile Flow Control

Available in various configurations (e.g., 3/2, 5/2, 5/3 way) to precisely manage air flow direction for single and double-acting actuators.

Comprendre Valve de contrôle d'air Mechanisms

How Air Control Valves Function

Air control valves, particularly pilot-operated types, use a small amount of air pressure (the pilot signal) to shift a larger internal spool or poppet. This action redirects the main airflow through different ports, controlling the operation of pneumatic cylinders, actuators, or other devices. This method allows for robust control without direct electrical input at the valve itself.

Key Features:

Pilot Actuation: Utilizes air pressure for shifting, suitable for hazardous areas or where electrical power is limited.
Spool or Poppet Design: Different internal mechanisms for various flow characteristics and sealing properties.
Port Configurations: Common types include 3-port/2-position (3/2), 5-port/2-position (5/2), and 5-port/3-position (5/3) valves for diverse control logic.
Les dérogations manuelles : Often included for testing or manual operation during setup or emergencies.

Notre Air Control Valve Technical Edge

High-Flow Capacity

Engineered with optimized internal flow paths to provide maximum airflow (Cv/Kv) with minimal pressure drop, ensuring efficient actuator operation.

Durable Spool & Seals

Precision-machined spools and high-quality, wear-resistant seals ensure long operational life and consistent performance.

Wide Temperature Range

Designed to operate reliably across a broad range of ambient and media temperatures, suitable for various industrial environments.

Manifold Mounting Options

Many series offer manifold bases for compact assembly of multiple valves, simplifying piping and installation.

Paramètres clés pour la sélection Air Control Valves

Fonction de la vanne

E.g., 3/2, 5/2, 5/3 (center closed, center exhaust, center pressure).

Taille du port

Thread size of inlet, outlet, and exhaust ports (e.g., G1/8, G1/4, G1/2).

Actuation Type

Single air pilot, double air pilot.

Pression de fonctionnement

Range for main air supply and pilot air signal.

Débit (Cv / Kv)

Indique la capacité de la valve à laisser passer l'air.

Temps de réponse

Time taken for the valve to shift after pilot signal application.

Matériau du corps

Typically aluminum alloy for good strength and corrosion resistance.

Style de montage

Body ported or manifold mountable.

Pour les paramètres détaillés, veuillez vous référer aux manuels des produits individuels ou à l'adresse suivante consulter nos experts techniques.

Applications typiques de la Air Control Valves

Pneumatic Actuator Control

Directing airflow to control the movement (extend/retract, rotate) of pneumatic cylinders and rotary actuators.

Machines automatisées

Integral components in packaging machines, assembly lines, material handling systems, and robotic applications.

Process Automation

Used in various manufacturing processes for sorting, diverting, clamping, and other automated tasks.

Hazardous Environments

Ideal for use in explosive or dust-prone areas where electrical components pose a risk.

Pneumatic Logic Systems

Can be used to build purely pneumatic control circuits for specific sequencing or logic functions.

Remote or Manual Override Systems

Pilot operation allows for remote actuation, while manual overrides offer convenient local control.

Valve de contrôle d'air Installation et dépannage

Bonnes pratiques d'installation :

Ensure correct port connections (inlet, outlet, exhaust, pilot ports) as per valve markings and schematics.
Use clean, dry, and appropriately regulated air for both main supply and pilot signals.
Install filters upstream to protect valve internals from contaminants.
Mount the valve securely in a position that allows for easy access to manual overrides and pilot connections if needed.
Use appropriate fittings and thread sealant to prevent leaks.

Conseils de dépannage courants :

Valve Fails to Shift: Check pilot signal pressure and connection, main air supply, and for any mechanical obstruction or stuck spool. Ensure manual override (if present) functions.
Sluggish Operation: Insufficient pilot pressure, low main air pressure, undersized valve or tubing, or internal wear/contamination.
Continuous Air Leakage: Worn or damaged seals, loose fittings, or cracks in the valve body.
Incorrect Actuator Movement: Double-check port connections to the actuator.

Il faut toujours dépressuriser et mettre hors tension le système avant toute installation, entretien ou dépannage.

Valve de contrôle d'air FAQ

What is the difference between an air control valve and a solenoid valve?

The primary difference is the actuation method:

Électrovannes : Are actuated electrically. An electric current energizes a coil (solenoid), creating a magnetic field that moves a plunger or spool to shift the valve. They are easily integrated with electrical control systems (PLCs).
Air Control Valves (Pilot-Operated): Are actuated pneumatically. A small air pressure signal (pilot signal) is applied to a port, which then shifts the main valve spool. They are ideal for environments where electricity is undesirable or unavailable, or for creating purely pneumatic logic circuits.

While both control airflow, their means of activation and typical application environments can differ significantly.

What does "5/2-way" or "3/2-way" mean for an air control valve?

This notation describes the valve’s function:

The first number indicates the number of ports (air connections) the valve has.
The second number indicates the number of positions the valve spool can take.

For example:

3/2-way valve: Has 3 ports and 2 positions. Typically used to control single-acting cylinders (one port to cylinder, one for supply, one for exhaust). Can be Normally Closed (NC) or Normally Open (NO).
5/2-way valve: Has 5 ports and 2 positions. Commonly used to control double-acting cylinders (two ports to cylinder, one for supply, two for exhaust). Can be single air pilot (spring return) or double air pilot.
5/3-way valve: Has 5 ports and 3 positions. Used for double-acting cylinders requiring a mid-position stop (e.g., center closed, center exhaust, center pressure).

What is the minimum pilot pressure required for an air-piloted valve?

The minimum pilot pressure is the lowest air pressure required at the pilot port to reliably shift the main valve spool. This value is specific to each valve model and is usually listed in its technical datasheet.

It’s crucial to ensure your pilot signal pressure meets or exceeds this minimum requirement. If the pilot pressure is too low, the valve may not shift completely, may shift sluggishly, or may not shift at all, leading to system malfunction. The minimum pilot pressure can also vary depending on the main line pressure in some valve designs.

Can air control valves be manifold mounted? What are the benefits?

Yes, many air control valves are designed for manifold mounting. A manifold is a base block with common supply and exhaust passages, allowing multiple valves to be mounted compactly side-by-side.

Benefits of manifold mounting include:

Peu encombrant : Reduces the overall footprint compared to individually piped valves.
La tuyauterie simplifiée : Minimizes tubing and fittings, leading to a cleaner and less complex installation.
Temps d'installation réduit : Fewer connections mean quicker setup.
Entretien plus facile : Individual valves can often be replaced without disturbing the entire manifold or extensive piping.
Centralized Connections: Common supply and exhaust ports simplify system plumbing.

How do I ensure the longevity of my air control valves?

To maximize the service life of air control valves:

Use Clean, Dry Air: This is the most critical factor. Install and maintain proper air filtration (e.g., particulate filters, coalescing filters, air dryers) to remove contaminants and moisture that can damage seals and internal components.
Operate Within Specifications: Ensure operating pressure, pilot pressure, and temperature are within the valve’s rated limits.
Proper Lubrication (if applicable): Some older or specific valve designs might benefit from lubricated air. However, many modern valves are designed for non-lube service. If using lubricated air, ensure the lubricant is compatible with valve materials and avoid over-lubrication.
Installation correcte : Ensure secure mounting and proper piping to avoid stress on the valve body.
Inspection régulière : Periodically check for leaks, listen for unusual noises, and ensure smooth operation.

Command Your Pneumatic Systems with Our Air Control Valves

For robust and reliable directional control, our air control valves offer the performance you need. Explore our range to find the perfect fit for your application, or contact our pneumatic specialists for expert guidance and solutions.

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