WCB | 2Cr13 | 13Cr STL 本体材料 bodymater rial PTFE 尼龙 Nylon | 增强柔性石墨 13Cr/柔性石墨 Enhanced Flexible 1Cr13/Flexible graphite SFB-2 08软钢 08Soft steel F304 F316 F304L F316L | 柔性石墨 增强柔性石墨 Flesible graphite enhanced flexible graphite SFB/260 SFP/260 PTFE
| ≤425 | 水、蒸汽、油品 Water Steam Petroleum Products |