辽宁12选5走势图一定牛 www.l-ava.com The body made of ductile cast iron and stainless steel absorbs the pressure and piping forces. The linings PFA, PTFE, FEP, antistatic plastics offer high resistance to corrosion and permeation. The valves excel through their particularly robust design and longevity:
- Temperature: -60oC～+200oC（-75oF～+400oF）
- Operating pressure：vacuum to max, 16 bar （235psi）
- External protection against corrosion
- Full lining thickness in the sealing zone however provides security against permeating medial.