Coupling for pneumatic transport piping "EURAC coupling" Contributing to cost reduction and safety improvement in pneumatic transport equipment for powders and granules

28/03/2024

AISHIN INDUSTRIAL (THAILAND) CO., LTD

“EURAC coupling” is manufactured by STIF of France (established in 1984) for pneumatic transport piping, and approximately 600,000 units are sold annually in 60 countries around the world. It is a revolutionary product that can be applied at a low cost as an alternative to conventional piping installation with flange connection. Aishin Industrial Corporation is the exclusive distributor of STIF in Japan, and we as its Thai subsidiary, sell the product in Thailand and Southeast Asia.

In this article, we will introduce the features and advantages of "EURAC coupling".

Easy installation of pneumatic transport piping of powders and granules without welding

EURAC coupling is a device that compress and seal piping connections used for pneumatic transport of powders and granules in factories. Unlike conventional flange system, pipes are joined together with couplings and secured with bolts. The product lineup covers a wide range of requirements from low to high pressure, and can be adapted to pneumatic transport of low to high concentrations, as well as pressure and suction transport.

Compared to SUS304 JIS5KFF flange connection, the construction cost and parts cost of the connection can be reduced by 30% to 50% because welding work is not required. Since maintenance of specific parts can also be easily performed, the product is highly evaluated at sites where safety and cleanliness are important, especially by food, pharmaceutical, and chemical product manufacturers.

【Main features of EURAC coupling】
・Space-saving of parallel piping is possible.
・A wide selection of piping sizes to suit the application (also applicable to large-diameter and different-diameter connections, etc.)
・Easy connection and disconnection for quick and efficient cleaning and inspection
・Available for pneumatic transport of low to high concentrations, as well as pressure and suction transport
・Approximately 600,000 units sold annually around the world
・For powder use only (cannot be used for liquid)

▲ Usage image

【Material/Gasket heat resistance】

Type		M・L	HL
Material	Body	SUS430	Galvanized steel sheet
	Gasket	Black SBR (styrene-butadiene rubber)	White NBR (nitrile rubber)
	Bolt	Galvanized	Galvanized
	Earth Plate	SUS304L	SUS304L
Gasket heat resistance		-30 ～ +80℃	-30 ～ +110℃

【How to install the EURAC coupling】
Simply fit the coupling into the piping, align the center of the coupling with the piping connection, and tighten with a torque wrench to complete the installation. This method significantly reduces conventional welding work.

*The Japanese Ministry of Health, Labour and Welfare has added "welding fumes" generated by metal arc welding and other operations to the Specified Chemical Substance Regulations from 2021.

【Various options】
・FDA certified white NBR gasket: -30 to +110°C
・Red silicone gasket VMQ: -60 to +200°C
・All SUS304L specifications
・Coupling clamper

▲ Strengthens the fixation of joints when piping is subjected to severe vibration, such as in high-concentration transport.

・Protection ring plate

▲ Prevents fluid from coming into direct contact with the gasket at the pipe butt joint in the coupling

Prevent dust explosion accidents in factories! STIF dust explosion protection equipment

When handling powder and granular materials in factories and facilities, the risk of dust explosions is high and safety is paramount. STIF offers an extensive portfolio of dust explosion protection products used in dust collectors. The “VIGILEX VL” explosion-dissipation panel is uniquely designed to minimize the damage caused by dust explosions with its high durability and dustproof properties.

Products from STIF can be easily combined with other dust explosion protection products, greatly contributing to the improvement of factory safety.

If you are looking for couplings in Thailand or have any issues related to pneumatic transport of powders and granules, please feel free to contact us using the form below.

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