The KTN 431/3 is our globe valve available in class 150 | 300 | 600 | 1500 and flanges ANSI . Made of cast carbon steel A216 WCB or stainless steel ASTM A351 CF8M , the range of dimensions is from DN 50 to DN 500. The pressure and temperature range: ASME B16.34 . Suitable for conducting and strangling the passage of aqueous media, oil and gas.