What are the Common Materials of Valves?

1、 Gray cast iron: gray cast iron is suitable for water, steam, air, gas, oil and other media with nominal pressure of PN ≤ 1.0MPa and temperature of - 10 ℃ ~ 200 ℃. The common models of gray cast iron are HT200, HT250, HT300 and ht350.

2、 Malleable cast iron: suitable for water, steam, air and oil medium with nominal pressure of PN ≤ 2.5MPa and temperature of - 30 ~ 300 ℃. Common brands are KTH300-06, KTH330-08 and KTH350-10.

1、 Gray cast iron: gray cast iron is suitable for water, steam, air, gas, oil and other media with nominal pressure of PN ≤ 1.0MPa and temperature of - 10 ℃ ~ 200 ℃. The common models of gray cast iron are HT200, HT250, HT300 and ht350.
2、 Malleable cast iron: suitable for water, steam, air and oil medium with nominal pressure of PN ≤ 2.5MPa and temperature of - 30 ~ 300 ℃. Common brands are KTH300-06, KTH330-08 and KTH350-10.

7、 High temperature copper: suitable for steam and petroleum products with nominal pressure PN ≤ 17.0mpa and temperature ≤ 570 ℃. Common models are ZGCr5Mo, 1cr5m0. ZG20CrMoV, zg15gr1mo1v, 12CrMoV, wc6, wc9, etc.
Specific selection must be in accordance with the valve pressure and temperature specifications.