VB 40/1000 Zero Unloader Valve

The VB 40/1000 Zero Unloader Valve for 1000 bar is an advanced pressure control solution built for demanding high-pressure water systems. Designed with a unique zero-pressure mechanism, it reduces leftover pressure in the line when you release the trigger. As a result, this feature improves safety, makes restarting easier, prevents sudden shocks, and reduces wear on parts.

Key Features and Benefits

• Flow-Activated Regulation: It automatically adjusts to water flow. When the spray gun closes, water flows to a low-pressure bypass, ensuring operator safety and comfort.
• Zero-Pressure Setting: The valve’s unique design releases pressure in the line when you let go of the trigger, reducing strain on hoses and improving safety.
• Effortless Re-Engagement: Upon restarting, the VB 40/1000 builds pressure gradually, minimizing kickback and making operations smoother.
• Premium Durability: Made with stainless steel and quality seals, this valve is corrosion-resistant and built to last.
• Flexible Flow Range:  With flow rates from 9 to 40 liters per minute, this is perfect for a range of uses. Plus, it’s ideal for flexible pressure control in different high-pressure settings.

Enhanced Safety and Performance

The VB 40/1000 Zero’s design prioritizes safety. Low pressure in the line after release reduces risks and makes the hose easier to handle. As a result, operators feel less fatigue and gain more control, especially during extended use. This design also keeps the valve reliable, even with changing flow rates, making it perfect for high-pressure systems.

Technical Specifications

• Flow Range: 9 – 40 liters per minute
• Maximum Pressure: 1000 bar (100 MPa), adjustable with easy-to-access settings
• Adjustable Minimum Pressure: 50 bar (5 MPa), providing an adjustable range for different applications
• Temperature Tolerance: Runs steadily up to 60°C and can handle up to 95°C briefly. which makes it ideal for hot water systems
• Connections: Comes in models with G 3/8” F or G 3/8” M threads for easy conformity with various systems.
• Weight: Approximately 4650 grams (164 ounces)
• Seal Material Options: Various seal materials for conformity with different liquids and temperatures:
• HNBR: For standard high-pressure water applications
• EPDM: Suitable for applications involving detergents or water mixed with mild chemicals
• FKM: For higher temperature tolerance, used in applications with more aggressive fluids
• FFKM: For specialized uses requiring high chemical resistance

Then check Data sheet VB 40-1000

Performance Features

The design of the VB 40/1000 Zero ensures top efficiency by automatically adjusting pressure based on the flow rate.

This means that:

• Minimal Pressure Loss: Delivers stable pressure with little fluctuation, regardless of the water flow rate.
• Smooth Restart Functionality: It builds pressure slowly to avoid sudden surges, reducing the risk of injury or damage.
• Efficient Bypass Mechanism: Releasing the trigger sends water to the bypass, reducing wear on parts and extending service life.

Installation and Setup

Proper installation of the VB 40/1000 Zero Unloader Valve ensures smooth operation and longevity. Therefore, follow these guidelines for the best results:

• Pre-Installation Checks: Confirm that the system meets the VB 40/1000’s flow and pressure limits. Install it in systems needing maximum pressure stability.
• Mounting Instructions: Avoid installing directly on the pump head. Instead, secure the valve to a stable part of the machine’s frame to reduce vibrations.
• Hose Requirements: For smoother operation, use a hose at least one meter long between the pump and the valve. This helps reduce vibration and prevents pressure surges.
• Safety Considerations: Always install an auxiliary relief valve to prevent accidental high pressure. This extra safety measure protects both equipment and operators.

Application Scenarios

The VB 40/1000 Zero is versatile and suitable for a wide range of high-pressure environments. Therefore, it is the go-to choice for operations needing reliable and precise water pressure control, including:

• Industrial Cleaning: It gives steady, adjustable pressure, making it perfect for heavy cleaning of factory floors, machines, and equipment.
• Agriculture and Farming: It provides steady water flow, perfect for irrigation, livestock cleaning, and high-pressure farm tools.
• Construction and Heavy Industry: It’s strong enough for tough conditions, ideal for pressure washers and cleaning on construction sites.
• Public Transportation and Municipal Services: Ideal for large-scale cleaning in transportation hubs, public spaces, and waste management areas.
• Food Processing and Sanitation: Perfect for upholding hygiene in food processing, with safe, effective pressure control for sanitary equipment.

Maintenance and Longevity

To ensure long-lasting performance, maintaining the VB 40/1000 Zero is key. Here are some essential tips for peak condition:

• Routine Maintenance: Every 400 hours of use, inspect and lubricate seals with a water-resistant grease to reduce wear.
• Detailed Inspections: Check internal parts every 800 hours for wear, replacing seals or components as needed. Using original parts also ensures harmony and longevity.
• Nozzle Replacement:  If you notice a drop in pressure, check the nozzle for wear. Nozzle wear can reduce pressure over time, so replacing it restores the valve’s optimal performance.
• Thermal Protection: If the system bypasses often, use a thermal valve to prevent overheating, especially with hot water.

Advanced Safety Features

Safety is a core design aspect of the VB 40/1000 Zero. This valve prevents accidents and protects equipment with features like zero-pressure delivery and strong construction. Key safety features include:

• Automatic Bypass Functionality: It lowers line pressure when the spray gun is closed, reducing risks from high-pressure hoses.
• Temperature Control: It can safely handle water up to 95°C for a short time, so it’s good for hot water.
• Flow Control and Stability: It keeps a steady flow and pressure, even when water rates change. This lets operators work safely and confidently.

Environmental and Functional Safety

Built for tough environments, the VB 40/1000 Zero ensures reliable pressure control in varied conditions. Also compatible with applications focusing on safety and efficiency.

• Consistency with Mild Detergents: It works with water and mild detergents, making it great for extra cleaning power.
• Flow-Sensitive Mechanism: It reacts to the spray gun by using full pressure when it’s open and lowering pressure when it’s closed. This helps conserve energy and extend the life of components.
• Operator Comfort: It makes it easier to reopen the gun after closing, which reduces operator strain and improves ergonomics.

Product Options and Personalization

The VB 40/1000 Zero Unloader Valve is available in several configurations to suit different practical needs:

• Standard Model: Meets the requirements of most applications with balanced pressure and flow characteristics.
• Enhanced Pressure Model: Designed for systems running close to the 1000-bar threshold, thereby ensuring consistent performance at peak levels.
• High-Temperature Model: Ideal for applications requiring repeated exposure to higher water temperatures, such as sanitation or food processing facilities.

How It Works

The VB 40/1000 Zero pressure regulator valve operates by managing the system’s pressure based on flow. When water flows through the valve, it maintains the system’s full pressure. However, when the spray gun closes, the valve redirects water to the bypass, lowering the delivery line pressure. Thus, this simple yet effective process ensures:

• Reduced Pressure in Idle State: Ensures safer handling and thereby prevents wear on hoses and connections.
• Controlled Re-engagement: Pressure gradually builds when restarted, allowing for a safe and controlled restart.
• Automatic Bypass Activation: Directs flow to the bypass line under idle conditions, protecting the internal components and ensuring efficient operation.

Why Choose the VB 40/1000 Zero Unloader Valve?

Choosing the VB 40/1000 Zero provides peace of mind for professionals who need both safety and performance. Its unique design and safety features make it great for high-pressure environments where durability and control matter.

• Lower Maintenance Costs: Reduced strain on hoses and other components leads to fewer replacements and lower functional expenses.
• Enhanced Safety Measures: To keep operators safe, it uses low pressure when idle and slowly increases pressure when restarting.
• Long-Term Reliability: Engineers made the VB 40/1000 pressure regulator valve for tough use, reducing maintenance needs. This adds value through durability and consistent performance.

Compliance and Standards

The VB 40/1000 Zero Unloader Valve meets the highest standards, which provides users with quality assurance and peace of mind.

• CE Marked: Certified in accordance with EU safety and manufacturing standards
• ATEX Rating: Suitable for use in potentially explosive atmospheres (Directive 2014/34/EU compliance for ATEX-rated environments)
• Ingress Protection: IP54 for gas environments and IP6X for dust, providing high protection against contaminants
• Patented Zero-Pressure Technology: The unique mechanism lowers delivery line pressure to nearly zero when released, making it safer.

Then check ATEX certificate ATEX unloader and relief valves 40-1000 pdf

Additional Performance Specifications

The VB 40/1000 Zero’s advanced features offer performance benefits for users seeking consistency in high-pressure environments.

• Flow-Activated Mechanism: It adjusts pressure based on flow, keeping it steady when open and lowering it when closed.
• Bypass Pressure Maintenance: It maintains a bypass pressure of 3-5 bar, preventing fluctuations and ensuring smooth operation.
• Pressure Adjustment: Simple adjustment via an accessible adjustment nut. This feature allows operators to increase or decrease pressure without specialized tools, making it versatile for different tasks.
• Energy Efficiency: It reduces pump load when you release the trigger, lowering energy use and wear on components.
• Vibration Resistance: The valve’s robust design minimizes vibrations, helping maintain flow control and extending seal lifespan.

Functional Specifications

The VB 40/1000 Zero excels in fresh or slightly treated water, making it suitable for various applications.

• Operating Environment: Optimized for fresh or slightly treated water; however, consult technical support for alignment with corrosive or specialized liquids.
• Installation Orientation: For optimal performance, we recommend horizontal installation; however, you can install it vertically with the right mounting.
• Maintenance Interval: Routine inspections every 400 hours and a detailed examination every 800 hours are recommended for peak performance. Furthermore, lubrication and seal checks are essential for maintaining functional integrity.

Consistency and adaptation Options

The VB 40/1000 Zero unloader valve offers various configurations, allowing users to choose the best option for their needs.

• Standard Configuration: Suitable for general-purpose high-pressure systems in industrial and commercial applications.
• High-Pressure Model: Enhanced for stable operation near 1000 bar, thus ensuring high performance in extreme conditions.
• Heat-Resistant Model: Ideal for high-temperature water or steam systems, thus suitable for cleaning in food processing.

Certifications and Quality Assurance

Manufacturing compliance and quality assurance are key to the VB 40/1000 Zero pressure regulator valve, ensuring it meets safety and durability standards.

• Manufacturing Compliance: Adheres to stringent quality control standards in line with EU directives, therefore ensuring safety, durability, and reliability.
• ATEX Certification: Certified for ATEX zones, thus suitable for gas (1 and 2) and dust (21 and 22) environments. Moreover, includes markings for safe usage in temperatures from 0 to +70°C.
• Safety Compliance:  Equipped with safety features in compliance with Directive 99/92/EC for use in potentially hazardous areas. Additionally, the design prevents potential ignition sources and spark risks in explosive atmospheres.

For detailed guidance on installation, usage, or adaptation for specific industrial applications, please contact our technical team.

Finally contact Us for More Information

Our expert team can help you pick the best configuration of the VB 40/1000 Zero Unloader Valve for your needs. Therefore, contact us today to discuss installation, maintenance, and adaptation options to improve your equipment’s safety and efficiency.