The PN100 DN300 SV DIN 3840 Swing check valve with
counterweight in material of GS-C25 with face to face of F2 was exported to
Germany together with DIN 3356 PN 63 DN50 GS-C25 Globe valve with face to face
of F1 and DIN 3352 PN 16 DN80 DN150 Gate valve with face to face of F5.