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Double Valve - List of Manufacturers, Suppliers, Companies and Products

Double Valve Product List

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ROSS Air Pressure Solenoid Valve Double Valve DM2 (DM Square)

ROSS Air Pressure Solenoid Valve Double Valve DM2 (DM Square)

This is a double valve compliant with safety category 4.

One of the important features of the ROSS double valve is that it has a duplex (dual mechanism) design. The ROSS double valve incorporates two independent 3/2 normally closed three-way valves into a single common body. Each of these two valve bodies is operated by its own dedicated 3/2 normally closed pilot valve. When both pilot valves are energized simultaneously, both main valve bodies operate at the same time. The probability of both valve bodies malfunctioning simultaneously in the same cycle is extremely low, ensuring higher safety compared to single valves. Additionally, this product is certified by BG at the highest safety level, Performance Level (PL) 'E'.

  • Other machine tools

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"Double Valve" Cross Flow Series

"Double Valve" Cross Flow Series

Contributing to malfunction! A valve with a significantly lower likelihood of malfunction compared to a single valve, ensuring high safety.

One of the important features of the "double valve" is that the valve has a duplex (dual mechanism). This valve incorporates two independent 3/2 normally closed three-way valves into a single common body. Each of these two main valve bodies is operated by a dedicated 3/2 normally closed pilot valve. When both pilot valves are energized simultaneously, both main valve bodies operate at the same time. The "double valve" is much safer than a single valve because the likelihood of both valve bodies malfunctioning simultaneously during the same cycle is extremely low. 【Lineup】 ○ With EP sensor ○ Without EP sensor ○ With pressure switch (PS) sensor For more details, please contact us or download the catalog.

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Double Valve Cross Flow Series "DM2 Series"

Double Valve Cross Flow Series "DM2 Series"

A valve that allows for the selection of a method that meets your requirements! It is also possible to add additional monitors.

The "Cross Flow Series Double Valve Double" is a current model from ROSS that exhibits minimal decrease in exhaust response time not only during normal operation but also in the event of a failure in one side of the valve body. ROSS's double valve is a normally closed double-acting three-way solenoid valve that incorporates two valve bodies that operate in synchronization. It offers a variety of monitoring/sensor methods, allowing users to select the appropriate method based on their country, region, or specific requirements. It is also possible to add monitoring to existing valves. 【Features】 ○ Excellent responsiveness ○ Wide range of monitoring/sensor methods ○ Series configuration and piping methods ○ Repairable ○ Monitoring function For more details, please contact us or download the catalog.

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External monitor type safety air pressure shut-off/exhaust double valve M35 series

External monitor type safety air pressure shut-off/exhaust double valve M35 series

In mechanical safety and control safety, the weight of pneumatic solenoid valves is significant, as they are a crucial part connecting the control system and the operating section.

The M35 series valves are designed for safe and redundant valve operation with external monitoring. The valves are configured in a redundant, 3/2 poppet specification and feature the comprehensive functionality of pilot-operated single solenoid, spring return valves. Each single valve in the M35 series is equipped with solid-state pressure sensors. By monitoring both of these sensors during the operation and non-operation of the M35 valves, a diagnostic range of 99% is achieved. The monitoring of these sensors is conducted by an external monitoring system.

  • Pneumatic Equipment

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Hydraulic Cut-off & Load Holding Safety Valve "HBH Series"

Hydraulic Cut-off & Load Holding Safety Valve "HBH Series"

Redundant valve for external control! Designed for applications where safe load retention is essential!

We would like to introduce our hydraulic shut-off and load-holding safety valve, the 'HBH Series.' In the event of a loss of supply pressure and/or power, it stops and holds the movement of the cylinder. By introducing a hydraulic double valve, we not only improve machine safety but also standardize hydraulic safety solutions, simplifying complex circuit designs. The test port included in the double valve allows for quicker troubleshooting and reduces machine downtime, enabling improved operational efficiency and cost savings. 【Features】 ■ Maximum flow rate: 145 gal/min (549 l/min) ■ Two body sizes: (D52, D32) ■ Port sizes: 1 1/2” and 2”, Code 62 Flange *For more details, please refer to the PDF document or feel free to contact us.

  • Hydraulic Equipment

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When labor accidents occur, companies suffer significant damage!

When labor accidents occur, companies suffer significant damage!

I will introduce examples of disaster costs arising from labor accidents.

This document introduces examples of disaster costs arising from occupational accidents. When an occupational accident occurs, there are not only financial losses but also various issues such as a decline in corporate image, employee turnover, and decreased retention rates. Safety management to prevent accidents is related to various benefits for the company, so it is essential to pay careful attention and not neglect it. [Contents] ■ Direct costs paid to the victims ■ Indirect costs, which often exceed direct costs ■ Reference URL *For more details, please refer to the PDF document or feel free to contact us.

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[Information] Tips for "Establishing Safety" through Machinery. What is the Safety Category?

[Information] Tips for "Establishing Safety" through Machinery. What is the Safety Category?

Introduction to "safety categories" related to machine control systems and machine safety management.

This document introduces the management of machine safety along with the "safety categories," which are closely related to the machine control system. Safety categories are important indicators for ensuring safety through machine control. By implementing and operating machines with high-level safety categories, it is possible to create a workplace that does not rely on human safety management. [Contents] ■ Overview of the "safety categories" that assess how safe a machine is - Safety Category 1 - Safety Category 2 - Safety Category 3 - Safety Category 4 ■ Reference sites *For more details, please refer to the materials on our company website or feel free to contact us. https://rossasia.co.jp/column/

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[Information] The first step in learning about safety. What are the global safety standards?

[Information] The first step in learning about safety. What are the global safety standards?

We will introduce the system of international standards such as ISO standards and IEC standards.

This document introduces the system of international standards such as ISO standards and IEC standards. As international safety standards for machinery and systems, there are ISO standards and IEC standards. These two standards target different fields; in the industrial sector, ISO standards pertain to mechanical systems, while IEC standards relate to electrical systems. Additionally, ISO/IEC Guide 51 divides ISO and IEC standards into three levels, allowing for a combination that can accommodate various products. [Contents] ■ International standards: ISO standards and IEC standards ■ Three standards in ISO/IEC Guide 51 - A standards - B standards ■ Reference URL *For more details, please refer to the PDF document or feel free to contact us.

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[Information] Aiming to reduce power consumption by introducing pulse blow.

[Information] Aiming to reduce power consumption by introducing pulse blow.

Introducing the role of "pulse blow," which is expected to significantly improve efficiency, and its relationship with electricity.

This document introduces the role of air blow in factories, its relationship with electricity, and the "pulse blow" method, which is expected to significantly improve efficiency. While air blow contributes to enhancing product quality, did you know that it actually consumes a large amount of electricity during operation? By reviewing and improving air blow systems, you can efficiently reduce the costs associated with electricity consumption. This also leads to energy savings and improvements in product quality. For the smooth operation of your factory, we encourage you to consider the introduction of pulse blow. [Contents] ■ Essential for product manufacturing! The role of air blow and its relationship with electricity ■ Also contributes to product quality improvement! The key points are "pressure" and "timing" - Reduction of air consumption - Improvement of blowing power through intermittent impact *For more details, please refer to the PDF document or feel free to contact us.

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Improved safety and machine work efficiency! What is "Single Point Lockout"?

Improved safety and machine work efficiency! What is "Single Point Lockout"?

Consolidate multiple lockout points into one to ensure safety and efficiency at the same time! This is an introductory document about single point lockout.

This document introduces single point lockout as an effective means to achieve both safety and cost reduction. Single point lockout refers to the consolidation of multiple lockout points into one, allowing all machines to be stopped with a single lockout/tagout procedure. With this method, lockout/tagout can be completed with minimal time and effort, preventing workers from skipping the process. We encourage you to consider implementing this to enhance safety and efficiency in machine operations. [Contents] ■ Lockout/tagout to prevent human error ■ Single point lockout to further enhance safety efficiently ■ Reference sites *For more details, please refer to the PDF document or feel free to contact us.

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What is MTTF, which represents the lifespan of a product?

What is MTTF, which represents the lifespan of a product?

A key point in selecting safety-related products! Introduction to MTTF (Mean Time to Failure).

This document introduces MTTF (Mean Time to Failure), which represents the lifespan of a product. Since MTTF is used for products that cannot be repaired, it has the same meaning as the so-called average lifespan. Generally, the larger the MTTF value, the longer the product can be used stably over time. [Contents] ■ What is MTTF, the indicator of product lifespan? ■ MTBF is used for repairable products ■ Common issues with MTTF and MTBF: the discrepancy between theoretical values and actual experience ■ Reference URL *For more details, please refer to the PDF document or feel free to contact us.

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[Information] The optical safety device was activated, but...

[Information] The optical safety device was activated, but...

Are optical safety devices sufficient for safety measures? Even if the safety device operates normally, it is the valve that controls the "pneumatic energy."

Scene content: The operator was unable to set the workpiece properly due to carelessness. There is an optical safety device, so even if the neighboring operator adjusts the workpiece by hand, the machine should stop... The 'valve' controls the rise and fall of the pneumatic cylinder. If the valve fails, even if the safety device operates, the air cannot be switched, and the cylinder will not stop.

  • Other safety equipment

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With a double valve, you can avoid being "pinched" even if a failure occurs.

With a double valve, you can avoid being "pinched" even if a failure occurs.

Even if the valve fails, the cylinder will rise. The valve body inside the valve is doubled.

Scene content The cylinder control valve has been changed to a "double valve." At this time, if the return position of the cylinder is set to the "upper end," even if one side of the double valve fails, the functioning side of the valve body will operate to return the cylinder to the set position. By doubling the pneumatic energy control (double valve configuration) and using an optical safety device, we can avoid accidents involving workers being caught.

  • Other safety equipment

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[Information] Approaching "unexpected" without sound...

[Information] Approaching "unexpected" without sound...

Please be sure to include oil and pneumatic pressure in the machinery safety cycle. The solenoid valve is part of the safety-related parts of the control system (SRP/CS).

Scene content: While the machine operator opened the interlocked door to change the mold and was cleaning the mold, the moving mold, which was supposed to stop due to the interlock mechanism, slowly and quietly moved towards him without him noticing. By the time the machine operator realized this... as a result, he suffered severe injuries, having a part of his body caught and severed by the mold.

  • Other safety equipment

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[Data] Ensuring safety through the redundant structure of 2-channel systems.

[Data] Ensuring safety through the redundant structure of 2-channel systems.

The HBB (Hydraulic Shut-off & Tank Return Valve) from ROSS is designed to handle not only single failures (such as failure of one side of the valve body) but also...

Content of the scene: A solenoid valve (power control element) was installed to ensure safety through a redundant structure and cross-checking (mutual monitoring) in a dual-channel system. Therefore, even in a situation where one valve body was broken and could not shut off the hydraulic pressure, the other valve body operated normally, shutting off the hydraulic pressure and returning it to the tank, allowing the operator to safely complete the mold change.

  • Other safety equipment

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