Spherical bottoms are made as elliptical, with the only difference: does not flare. The concavity of the bottom is set a certain radius of the stamp. Our stamp of the firm Sahinler, enables you to send a force of 400 tons., that makes it possible to manufacture spherical heads with diameters up to 4000 mm and thickness up to 25 mm.

in the manufacture of spherical heads, we are guided by GOST 25221-82 "VESSELS AND APPARATUS. THE BOTTOM AND TOP SPHERICAL NEOTORULARIA".

PC Boiler offers bottoms of their own making, and production of European plants. Delivery from Europe is carried out 1 time per month.

D = 4000 mm
R1 = in agreement with the Customer
t = up to 25 mm