The production of our type B couplings was started in the 70’s-80’s and is fully interchangeable with the Bauer fittings. At present, this range is made in steel, stainless steel and
aluminum and the version with security system is usually provided. The Ø250 and Ø300 quick action couplings are a Dallai’s patent and require additional leverage, separately
provided for each accessory. It is used in various applications such as irrigation, road construction, drainage, civil projects, bypass lines, in the food and chemical industry.
The type B quick action coupling is now used all over the