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Dish ends Fuel tanks Galvanised drinking water tanks Tractor water tanks Hot water tanks Storage horizontal leg tanks Hot water generators Serpentins Cement silos Concrete buckets
Dish ends Fuel tanks Galvanised drinking water tanks Tractor water tanks Hot water tanks Storage horizontal leg tanks Hot water generators Serpentins Cement silos Concrete buckets

Dish ends

Ets CHAUDRAF produces all type of dish ends (GRC, MRC, PRC ) with a diameter reaching 3,5 m and a thickness of 10mm in steel and 6mm in stainless steel.

A) Metal spinning

Metal spinning, also known as spin forming or spinning or metal turning most commonly, is a metalworking process by which a disc or tube of metal is rotated at high speed and formed into an axially symmetric part.

1- Manufacturing GRC dish ends under the NF E 81-102 standard

The dish end « grand rayon de carre » called GRC stands for a crown radius equal to external head diameter and a knuckle radius equal to 10% of the same diameter.GRC heads are mainly suitable for pressure use .

2- Manufacturing MRC dish ends under the NF E 81-104 standard

The dish end « moyen rayon de carre » called MRC stands for a crown radius equal to external head diameter and a knuckle radius between 1/30 and 1/15 of the external head diameter. MRC heads are mainly suitable for storing oil products.

3- Manufacturing MRC dish ends under the NF E 81-101 standard

The dish end « petit rayon de carre » called PRC stands for a crown radius superior or equal to external head diameter and a knuckle radius between 30 and 50 mm . PRC heads are mainly suitable for low pressure use .

B) Metal stamping :

A press of 250T to produce pieces of small dimensions (maxi 1000mm).