Cryogenic Type Check Valves have fully hard-faced trim, disc and seat-rings hard-faced for longer service life and have body and bonnet cast with uniform sections. The Valves have body that permits full swing of disc on downstream side and has the feature of lower flow resistance and disc erosion and the disc is internally hinged thus no opening on the body, higher integrity. The Valves have disc secured to hinge using lock nut and pin. The Cryogenic Type Check Valves are disc free to rotate to avoid localized wear.