Explosion-proof

Introduction

In modern society, safety is one of the most important concerns for people.

This is especially true in hazardous industrial environments or situations involving explosive substances, where the importance of explosion-proof products becomes even more pronounced.

With their superior safety and reliability, explosion-proof products play a crucial role in protecting the safety of lives and properties.

Here, I will share some of our successful experiences in this field, and we also welcome your suggestions below to further enhance our efforts.

A. The Importance of Explosion-proof Markings:

In hazardous environments, the ability to identify and recognize explosion-proof equipment is crucial.

The explosion-proof marking serves as a visual symbol that provides key information to help people identify and use suitable explosion-proof products.

Next, I will introduce the meanings of commonly used symbols.

ATEX

IECEx

The NEPSI in mainland China

TS in Taiwan

Underwriter Laboratories (UL)

Canadian Standard Association (CSA)

Factory Mutual (FM)

These certification marks represent the evaluation and recognition of product safety and explosion-proof performance by the respective organizations. Choosing explosion-proof products with these certification marks can provide greater confidence and assurance.

However, please note that specific markings and certification requirements may vary depending on the region, industry, and type of product. Users should consult the relevant regional standards and regulations to determine the required certification marks.

B. How do you choose the product that suits you:

In the field of explosion safety, we recommend selecting appropriate products whenever there is a possibility of spark generation or the potential for high thermal energy in your processes. It is important to assess your specific field and processes to identify the potential risks and choose products that are suitable for mitigating those risks.

In general, explosion-proof products can be categorized into the following types:

◎ Zone 0：This refers to areas where explosive gases or vapors are present in the atmosphere under normal or prolonged conditions. In these areas, the concentration of flammable gases or vapors exceeds the explosive limits.

◎ Zone 1：This refers to areas where flammable gases or vapors may be present under normal operating conditions. In these areas, the concentration of flammable gases or vapors may exceed the explosive limits.

◎ Zone 2：This refers to areas where flammable gases or vapors are unlikely to be present under normal operating conditions. Even if they occur, they are only present for a short period of time.

◎ Zone 20：This refers to areas where combustible dust is present under normal operating conditions or for extended periods of time. In these areas, the concentration of combustible dust exceeds the explosion limits.

◎ Zone 21：This refers to areas where combustible dust may be present under normal operating conditions. In these areas, the concentration of combustible dust may exceed the explosion limits.

◎ Zone 22：This is an area where combustible dust is unlikely to be present under normal operating conditions. Even if it does, it only exists for a short time.

Based on your specific situation, you can choose products of different levels to reduce the risk of explosion.

C. Here are some examples of certified explosion-proof products we offer (limited to the length of the text):

We offer a wide range of products that have relevant explosion-proof certifications, especially the TS explosion-proof certification required for products assembled and used in Taiwan. We have various certified products available to meet your needs.

Below, I will list some of the explosion-proof certified products we provide for your reference. If you find any products that align with your business requirements, please feel free to contact us without hesitation.

Parker Explosion Proof Solenoid Valve

Parker has made significant efforts in the field of explosion-proof safety and has developed reliable products that can be seen in various product combinations. We are proud to select Parker's products as the starting point for this introduction.

Readers can compare different functional modules within Parker's product lineup. If there is a need for customized specifications, please feel free to contact us.

Skinner Solenoid Valve

Skinner Explosion Proof Solenoid Valve with Handle

Skinner Two-way drive solenoid valve

Skinner Explosion-proof solenoid valve with explosion-proof junction box

Skinner Explosion-proof two-way drive solenoid valve

Skinner series products have different materials such as copper, SUS304/316 for different business needs, and also the Skinner series explosion-proof products have the following features:

◎ All kinds of coils are poured with resin, and can be interchanged at will, and can also be replaced with explosion-proof NEMA7, 9 and waterproof NEMA, 4X

◎ With ISO-9001, UL and CE certification, there are also magnetic protection coils, low wattage coils (0.6W/1.5W), and intrinsically safe solenoid valves (Intrinsically Safe Valves/Manual Reset Vales).

◎ Coils can be exchanged between specific products to deal with voltage problems in actual conditions

◎ 3/2 and 5/2 solenoid valves, the internal pilot holes are equipped with filters to protect the internal cleanliness of the pilot valve from being blocked by impurities to ensure that the pilot valve operates well and is suitable for harsh environments

◎ Unique stud bolt and oil seal design can maintain the synthetic oily Teflon shaft and have a long service life

◎ Each valve has a reserved hole for the identification mark

◎ Convertible manual knob, integrated coil, integrated exhaust, auxiliary return spring, flow rate adjustment knob

Lucifer 7341PS series

Lucifer 70335SN-VR series

Lucifer 7341P-EX series

Lucifer U033X51 series

Lucifer series products have maintained excellent competitiveness since we started contacting them.

Naturally, there will be no shortage of explosion-proof series products. After Parker incorporated them into the Parker system, this brand not only continued to maintain its own advantages, but also absorbed other brands from the same group.

Different combinations of other brands, until today this brand is still helping many customers achieve their goals.

Not only that, the Lucifer series also comes with the following features:

◎ Special valve structure, with special seal and ultra-thin gasket to ensure that the solenoid valve can be shifted quickly and reliably after a long period of inactivity, maintaining good sealing performance, and a hard spring return to ensure sudden power failure or gas failure , the axis returns to a safe state.

◎ The ambient temperature can reach -40°C to +80°C to meet the safe and reliable work in any harsh environment

◎ Fast response, long life, long-term electrified work, low power coil and valve body

◎ Various explosion-proof grades, European regulations EExm, Eexd...US regulations NEMA7.9, and intrinsically safe solenoid valves (Eexia/EExib) have CE and UL explosion-proof certifications, and have marine certifications from Lloyd's of the United Kingdom and Norway

Honeywell Explosion-proof valve positioner

Honeywell Explosion-proof valve positioner installation instructions

Honeywell SUS explosion-proof valve positioner

Honeywell Explosion-proof limit switch

Honeywell Explosion-proof limit switch installation instructions

Honeywell series has achieved great success and reputation in the field of home appliances. In the field of industrial explosion-proof safety, it has also launched many excellent products that meet multiple certifications.

Among them, products with Taiwan's TS explosion-proof mark certification include explosion-proof valve positioners and Explosion-proof limit switch.

◎ The explosion-proof valve positioner complies with multiple explosion-proof certifications such as Taiwan TS, European EX, and American UL, and can be installed in explosion-proof areas Zone 0, 1, 2 according to the instructions.

◎ Explosion-proof limit switches can use a variety of activation components, including various lengths and pull ropes.

EuroSwitch Proximity explosion-proof switch with explosion-proof terminal box

EuroSwitch Proximity explosion-proof switch

The EuroSwitch, from British, has explosion-proof proximity switches have been approved by many explosion-proof certification bodies. Among them, the ES-7 series proximity switches are highly adaptable and can be used in a variety of applications that require reliable signals.

Its unique construction allows it to be used in some extreme environments with temperatures ranging from -60°C (-76°F) to 175°C (347°F).

Standard with voltage free single pole double contact (SPCO/SPDT, form C contact) capability, can be used as normally open or normally closed device.

The ES-7 series is versatile and multi-voltage flexible, capable of switching in 240V DC or AC.

D. If the product you need is not listed above:

The types of products we provide focus on industrial solenoid valves and related applications around them.

If you do not see any products that can deal with your actual situation in the above pictures and articles, you can contact us to ask if there are related products.

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