阀体: WN 1.0619 , WN1.7357 or WN 1.4581
A216WCC, A217WC6 or A351CF8M
阀芯/阀座: WN 1.4006, WN1.4008 or WN 1.4571
填料: V-ring packing PTFE with carbon,
Packing spring of stainless steel WN 1.4310
High-temperature packing
波纹管: WN 1.4571