Hoffman Specialty BearTrap Float and Thermostatic Steam Traps 恒温疏水阀 蒸汽疏水阀 冷凝器 进口疏水阀 进口疏水器 蒸汽疏水器 Series C and X、Series H and I、Series B0 B1 B2 B3 B4 B6 选型表 型号 接口尺寸(inch) FT015C-61-1/2 FT015C-82 ...