Details of z41w flange stainless steel gate valve Engineering diameter: DN 15 ~ DN 1000 Nominal pressure: PN10 ~ 100 Working temperature: - 29 ℃ ~ 4250 ℃ Applicable media: water, steam, oil, nitric acid, acetic acid, etc Design criteria GB/T12234、GB/T19672、JB/T7749、JB/T5298、JB/T8691 API 600、API 6D、ASME B16.34、BS 1414、DIN 3352