Fire valve seal material with metal and nonmetal two categories. Common materials and their use of the following conditions: 1, chromium stainless chromium steel grades are commonly 2Cr13,3Cr13 after quenching the fire valve manufacturer, good corrosion resistance. Commonly used in the temperature t ≤ 450 ℃, nominal pressure PN ≤ valve on the fire water, steam and oil and other media 32MPa of. 2, chrome-nickel-chromium-nickel stainless steel titanium titanium steel grades used for 1Cr18Ni9ti, its corrosion resistance, good erosion resistance and heat resistance. For temperature t ≤ 600 ℃, nominal pressure PN ≤ 6.4MPa steam, nitric acid and other media in the fire valve type, used for fire valves, ball valves, etc. Fire valve main technical parameters and dimensions: 1. Working medium: water, oil, gas 2. Maximum working pressure: 1.6MPa 3. Test pressure: 2.4MPa 4. adapt to the environment temperature: 0 ~ 65 ℃ 5. Operation: Lever 6. hoist operation display: opening and closing the display panel, open and close the micro switch (DC24V, 0.5A) Valve Factory Fire, Fire cocks Heze, Weifang Shandong Peng-Peng-Fire Co. provided by the fire valve. Valve Co., Ltd. Shandong Peng-Fire (www.pengda119.com) (www.pengda119.com) strong, credible, Shandong Weifang fire equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Weifang PENGDA fire and you hand into the brilliant, for a better future! You can also access (www.pengda119.com/supply_details_38773325.html), for more information about the company.