Angulus valvae globulus typus, ferro injecto, chalybe immaculato, et stannum chalybe, pro caliditate vaporis.
Valvae globulus rectus (Tee pattern), globulus globus angulus exemplaris, valvae globulus obliquus (Y type)
Design and manufacturer DIN3356/EN13709
in cast chalybe (1.0619), chalybs immaculata (1.4308,1.4408), mixtura chalybs et duplex chalybs immaculata
NORTECHis unus ex principibus Sinis Angulus valvae globulus typus Manufacturer & Supplier.