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Manufacturing, installation, testing.
Radiant part of pipe seamless 159 mm. wall 8 mm. the length is 9600 mm.
The convection part is a seamless 159 mm pipe. the length is 3600 mm.
Errors in the heating surface of the convection chalice 12x25 mm. density per 1 running meter 1250 pcs.
material pipe, bends, spikes steel 15x5m.
100% X-ray inspection of welded joints