Pneumatic double valve - List of Manufacturers, Suppliers, Companies and Products

Pneumatic double valve Product List

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Reference Data on Aerodynamics *Free of Charge

Reference Data on Aerodynamics *Free of Charge

Experts in air pressure control equipment explain in an easy-to-understand manner! Includes principles and laws of aerodynamics, basic terminology and symbols, as well as how to determine the response time of valves.

"Aerodynamics" is the study of the mechanical properties of gases. In industrial applications that deal with gases, "compressed air" is commonly used, and the mechanical properties of high interest are pressure, volume, and temperature. This document explains the principles and laws of aerodynamics, basic terminology, symbols, how to determine the response time of valves, and a flowchart at Cv=1. It is designed to be easy to understand for beginners. 【Table of Contents (Partial)】 ■ Principles of Aerodynamics ■ Flow Coefficient ■ Explanation of Terms Used ■ Standard Testing ■ Response Time of Valves ■ Flowchart at Cv=1 ★ We are celebrating our 100th anniversary. Our company manufactures and sells pneumatic control valves and other pneumatic machinery and accessories. In addition to safety valves, double valves, and single valves, we also offer high-performance solenoid valves. Please feel free to contact us regarding our products. *You can view it immediately from the download. Please feel free to reach out with any inquiries.

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[Technical brochure available] "Pneumatic Safety" in Machine Safety

[Technical brochure available] "Pneumatic Safety" in Machine Safety

Explaining air pressure safety in this one book! A technical booklet on safety-related devices against misoperation and unintended activation (5 chapters in total) is now available.

ROSS provides a range of products specialized in safety, such as "L-O-X," "EEZ-ON," "P.O. Check," and "Double Valve," along with application circuit technology for constructing pneumatic systems using these devices. When designing machinery, it is crucial to implement inherently safe design strategies that anticipate mistakes and failures. A valuable tool in this process is risk assessment. This book explains pneumatic safety in machine safety. 【Table of Contents】 ■ Chapter 1 Safety of Control - It doesn’t end with just electrical wiring. ■ Chapter 2 Lockout/Tagout (LOTO) and Energy Isolation ■ Chapter 3 ANSI Z244 - Monitored Power Systems ■ Chapter 4 Risk Assessment and Pneumatic Systems ■ Chapter 5 Q&A * Technical pamphlets are currently being offered! * For more details, please visit our website to view the materials or feel free to contact us. https://rossasia.co.jp/column/

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[Information] Creating a Safe Environment through Workplace Risk Assessment

[Information] Creating a Safe Environment through Workplace Risk Assessment

The key is to "quantify"! An introduction to risk assessment in the workplace and operations.

This document introduces specific methods and points of caution for conducting risk assessments in the workplace and during operations. "Risk assessment," which refers to the process of identifying, clarifying, and evaluating risks present in the field, is extremely important for the operation of machinery and systems. To achieve a truly safe workplace, it is necessary to conduct risk assessments based on extensive knowledge and the latest information. [Contents] ■ What is risk assessment? Check the methods and points of caution - The necessity of risk assessment - How to conduct a risk assessment - Points of caution for risk assessment ■ High risk! Risk assessment of control valves *For more details, please refer to the PDF document or feel free to contact us.

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Is it dangerous to take MTTF at face value? The relationship between MTTF and reliability.

Is it dangerous to take MTTF at face value? The relationship between MTTF and reliability.

The lifespan of a product is a major selection point! Introducing the relationship between product reliability and MTTF.

This document introduces the relationship between product reliability and MTTF. MTTF (Mean Time To Failure) is commonly used as an indicator to understand the lifespan of a product. If the MTTF of a product is known, one can grasp the average lifespan of that product. Additionally, while utilizing MTTF as one of the indicators, it is important to be aware that theoretically, there is approximately a 63% probability of failure occurring before reaching the MTTF. [Contents] ■ Reliability indicating the probability of the product operating ■ The relationship between MTTF and reliability ■ Reference URL *For more details, please refer to the PDF document or feel free to contact us.

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Understanding the Flight Method of Category-Specified Architecture (Unofficial)

Understanding the Flight Method of Category-Specified Architecture (Unofficial)

Introducing a way to understand the flight style (unofficial) of each category specified architecture in SO13849-1!

Among the four items that determine the Performance Level (PL) of ISO 13849-1, there is the category (Categories). It is divided into five levels: B, 1, 2, 3, and 4, according to the specified architecture, with the required safety functions becoming stricter at each level. This is a simplified (informal) method to understand the safety levels of the specified architecture. In this document, we will convey a simple way to understand the surface aspects of this safety category using airplanes. [Contents] ■ Category B ■ Category 1 ■ Category 2 ■ Category 3 ■ Category 4 *For more details, please refer to the PDF document or feel free to contact us.

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Let's check the laws and regulations to protect the workplace environment!

Let's check the laws and regulations to protect the workplace environment!

Let's check what laws and regulations have been established to protect the workplace environment where we work!

This document introduces the "Labor Safety and Health Act," which serves as the foundation for protecting the workplace environment. The "Labor Safety and Health Act," established in 1972, aims to ensure the safety and health of workers in the workplace and promote the formation of a comfortable work environment by implementing comprehensive and planned measures to prevent occupational accidents. This includes establishing hazard prevention standards, clarifying responsibility systems, and promoting voluntary activities to prevent labor accidents in conjunction with the Labor Standards Act. Additionally, it includes information on the "Labor Accident Prevention Plan," which outlines the key areas the government focuses on to reduce occupational accidents. [Contents] ■ About the "Labor Safety and Health Act" ■ About the "Labor Accident Prevention Plan" *For more details, please refer to the PDF document or feel free to contact us.

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[Data] Usual press work

[Data] Usual press work

Is it really safe because it has a double valve? It is safer than a single valve, but a double valve only has two valve bodies inside.

Scene content: Inside the double valve, two valve bodies are repeatedly opening and closing almost simultaneously. When the power to the valve is turned off and one side does not close (failure), the valve body on the functioning side closes, and the secondary side air is exhausted, causing the press to stop. However, the double valve can still operate if power is reapplied even when one side is in a failed state. Air leakage occurs from the valve's exhaust port, but this "failure indication" is difficult to notice.

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The valve was broken...

The valve was broken...

Do you notice the malfunction? Valves without monitoring devices make it difficult to detect failures. If both valve bodies fail, the press will not stop...

Scene content As usual, the press operation was underway, but one side of the valve was already malfunctioning. The operator continued to operate without noticing the signs of one-sided failure (air leakage from the exhaust port)... When the power to the valve was turned OFF, both valve bodies failed, resulting in none of the valves closing, so the secondary side air could not be exhausted, and the press did not stop. The operator could face a "pinching accident."

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The peace of mind provided by a monitored valve.

The peace of mind provided by a monitored valve.

Valves with monitoring devices can detect valve body failures. Operators can focus on their work with peace of mind.

Content of the scene: A valve with a monitoring device performs 1) fault detection, 2) output of fault signals, and 3) prevention of restart when a failure occurs on one side. In particular, 3) ensures that the valve does not operate even if power is supplied during a fault, thereby ensuring the safety of the operator. With monitoring, the operator is freed from checking for air leaks and can focus on more productive tasks.

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Proposal for Reducing Compressed Air Consumption: "High-Durability Solenoid Valve for Pulse Blow"

Proposal for Reducing Compressed Air Consumption: "High-Durability Solenoid Valve for Pulse Blow"

Compressed air is one of the expensive forms of energy produced by operating a compressor. The majority of it is used in the air blow (cooling) process.

This is a poppet-type solenoid valve with high durability and high responsiveness. By rapidly turning the poppet solenoid valve ON/OFF, it is possible to intermittently blow air (cooling) and significantly reduce the amount of compressed air used. By accurately controlling the frequency (the number of ON/OFF cycles per second) and the duty ratio (the ratio of ON to OFF) electrically, it is possible to maintain sufficient blowing force required for the application while reducing compressed air consumption by more than 50%. Additionally, our poppet valves are not disposable. We sell internal component sets such as O-rings and pistons, so by replacing worn parts, you can continue to use the main unit. The size of the pulse blow valve is wide-ranging, with options available up to super large diameter (65A)!

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[Example] The material activation system continuously feeds the ingredients for pet food.

[Example] The material activation system continuously feeds the ingredients for pet food.

Strategically placed in the dry mix container! To flow the processing system efficiently and safely.

For pet food manufacturers, avoiding cross-contamination is central to the manufacturing process. "Bulk material flow issues," such as rat holes, bridging, and other material blockages, reduce the flow of materials through the processing system and increase the likelihood of cross-contamination. In 2018, research was conducted to replace the ineffective material activation system in use at the time with a new system, planning the introduction of "AirSweep." By converting pet food ingredients from vibrators and air hammers to this unit, the processing system has become more efficient and safe in its flow. *For more details, please refer to the PDF materials or feel free to contact us.*

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[Case Study] Achieved cost reduction by reducing wheat flour usage by 62%.

[Case Study] Achieved cost reduction by reducing wheat flour usage by 62%.

Introducing a case where the amount of flour washed away was reduced by 62% and labor was reduced by 42%!

A major U.S. manufacturer of food, food ingredients, and flavor products uses ribbon blender machines for custom mixing by ingredient batch. The company has manufacturing facilities in 25 countries around the world and was looking for ways to improve the discharge process between custom batches of raw materials. To this end, they experimentally installed eight "VA-12-TRI-TRI units" on the ribbon blender and associated hopper to streamline the cleaning process, placing four units on each side of the blender, about 0.3 meters above the bottom. As a result, the company reduced the amount of flour washed away by 62% and decreased labor by 42%. *For more details, please refer to the PDF document or feel free to contact us.

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[Case Study] Resolving blockages and alleviating stress in the manufacturing environment.

[Case Study] Resolving blockages and alleviating stress in the manufacturing environment.

A case in which significant improvements in material flow and worker safety have been confirmed.

Bunge is a U.S.-based agribusiness and food ingredient manufacturer that is working to improve the global food supply chain. They were looking for a complete and convenient way to achieve on-demand flow in the operation/process of filling rice bran into full containers. After reviewing options, they decided to implement the "AirSweep System" and installed four "AirSweep VA-06 units" at a 90-degree angle on the sloped walls of the rice bran containers. As a result, they confirmed significant improvements in material flow and worker safety. *For more details, please refer to the PDF document or feel free to contact us.*

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[Example] Separating sticky foods like an air knife.

[Example] Separating sticky foods like an air knife.

There is no bridging happening at all! This system is being implemented in all factories in the United States.

The cheese maker was in a very troublesome situation. The concentrated whey protein, which has a very high moisture and fat content, tends to bridge during discharge, and due to the solidified material, a fire occurred in one of their bug houses. Safety bridging needed to be resolved urgently. Therefore, they introduced the "AirSweep USDA 135." As a result, there has been no bridging at the cheese maker, and they are currently implementing this system in all their facilities across the United States. *For more details, please refer to the PDF document or feel free to contact us.*

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Material Activation System "AirSweep Straight Shooter"

Material Activation System "AirSweep Straight Shooter"

Uses high-quality steel with long durability! It disperses accumulated substances by emitting a very powerful and concentrated air pulse.

The "AirSweep Straight Shooter" is a product designed for applications that require a linear air wave to reach areas that cannot be accessed with the standard AirSweep's 360-degree pulse pattern, in order to activate materials. It is available in all standard AirSweep sizes (3/4", 1-1/2", 2"). The patented design has only one moving part, allowing it to reseal immediately after the pulse, preventing clogging and material buildup. 【Features】 ■ The system can be installed both inside and outside of silos ■ Uses energy-efficient factory compressed air ■ Can be installed in metal, concrete, fiberglass, and wooden silos ■ Made with high-quality steel for long life ■ Prevents clogging and material buildup *For more details, please refer to the PDF document or feel free to contact us.

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