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

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

It 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'.

Company：ロス・アジア
Price：Other

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"Double Valve" Cross Flow Series

Contributes to malfunction! A valve with an extremely low probability of malfunction compared to a single valve, ensuring high safety.

One important feature of the "Double Valve" is that it has a duplex (dual mechanism) structure. 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, the two 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. 【Product Lineup】 ○ With EP sensor ○ Without EP sensor ○ With pressure switch (PS) sensor For more details, please contact us or download the catalog.

Company：ロス・アジア
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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 operating in synchronization. It offers a variety of monitoring/sensor methods, allowing users to choose the method that best fits the country/region and user requirements. It is also possible to add monitoring to existing valves. 【Features】 ○ Excellent responsiveness ○ Abundant monitoring/sensor methods ○ Series configuration and piping methods ○ Repairable ○ Monitoring function For more details, please contact us or download the catalog.

Company：ロス・アジア
Price：Other

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

In machine 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 unit.

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 a solid-state pressure sensor. By monitoring both of these sensors during the operation and non-operation of the M35 valve, a diagnostic range of 99% is achieved. The monitoring of these sensors is conducted by an external monitoring system.

Company：ロス・アジア
Price：Other

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

Redundant valve for external control! Designed for applications where safely holding a load 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 reduction of machine downtime, enabling improved operational efficiency and cost savings. 【Features】 ■ Maximum flow rate is 145 gal/min (549 l/min) ■ Two body sizes available (D52, D32) ■ Port sizes are 1 1/2” and 2”, Code 62 Flange *For more details, please refer to the PDF document or feel free to contact us.

Company：ロス・アジア
Price：Other

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When labor accidents occur, companies suffer significant damage!

I will introduce examples of disaster costs caused by labor accidents.

This document introduces examples of disaster costs arising from occupational accidents. When an occupational accident occurs, there are certainly losses in terms of costs, but it can also lead to 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 themselves ■ Indirect costs, which are often larger than direct costs ■ Reference URL *For more details, please refer to the PDF document or feel free to contact us.

Company：ロス・アジア
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[Information] Tips for "Establishing Safety" through Machinery. What is the Safety Category?

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

This document introduces the management of machine safety along with the "safety categories," which are closely related to machine control systems. Safety categories are important indicators for ensuring safety through machine control. By implementing and operating machines with high safety categories, it is possible to create a workplace that does not rely on human safety management. [Contents] ■ Overview of "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/

Company：ロス・アジア
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[Information] The first step in learning about safety. What are the world's 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.

Company：ロス・アジア
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[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 product quality improvement, 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. Additionally, this can lead to energy savings and enhanced 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 by delivering intermittent impacts *For more details, please refer to the PDF document or feel free to contact us.

Company：ロス・アジア
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[Information] Checking the necessity of "residual pressure exhaust" to identify the dangers lurking inside machines.

Introducing the important concept of "residual pressure exhaust" for ensuring operator safety and efficient maintenance.

This document introduces the important topic of "residual pressure exhaust" for ensuring worker safety and efficient maintenance, along with examples. Residual pressure can pose risks such as parts being blown off, workers tripping, and hazardous materials being ejected. To ensure worker safety, it is essential not only to stop the pressure supply but also to thoroughly exhaust residual pressure. [Contents] ■ Unexpected accidents that can occur due to residual pressure ■ Residual pressure exhaust valves that help prevent accidents ■ Do not let your guard down even when the machine is stopped; ensure residual pressure exhaust ■ Reference sites *For more details, please refer to the PDF document or feel free to contact us.

Company：ロス・アジア
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Improved safety and machine work efficiency! What is "Single Point Lockout"?

Consolidate multiple lockout points into one to ensure safety and efficiency simultaneously! 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 consolidates multiple lockout points, which often span several locations, into one, allowing all machines to be stopped with a single lockout/tagout. 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.

Company：ロス・アジア
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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.

Company：ロス・アジア
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The optical safety device operated, but...

Is the optical safety device alone 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 the machine should stop even if the neighboring operator adjusts the workpiece by hand... 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.

Company：ロス・アジア
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With a double valve, you can avoid being "caught" 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 system) and using an optical safety device, we can avoid accidents involving workers being caught.

Company：ロス・アジア
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[Information] Approaching "unexpectedly" 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 a machine operator was opening a door with an interlock to change a 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, he had already suffered serious injuries, resulting in a part of his body being caught and severed by the mold.

Company：ロス・アジア
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Double Valve - List of Manufacturers, Suppliers, Companies and Products

Double Valve Product List