We represent a leading company involved in delivering a extensive selection of irreversible nature constructed from this valve the supreme quality substance and extremely beneficial for limiting the passage of fluids restricted to one choice direction. It comes combined with a remarkably efficient swivel plate for greatly smooth and function able sealing. These have leak free, Meticulous construction configuration with long durable life. Features ensures full flow of liquid or gas steel in touch with steel sealing valuable intended for high-heat applications finest quality hinges and swivel disc fitted corrosion and chemical resistant specifications size Options include: 50, 65, 80, 100, And 125 150 200 250 300 direct engagement 200 240 26 300 350 400 500 600 700 flange dia 165 185 200 220 250 285 340 395 445 p. C. D. 125 145 160 180 210 240 295 350 400 no of hole 4 4 4 8 8 8 8 12 12 dia of hole 18 18 19 19 19 19 23 23 23