Body and bonnet: Austenitic stainless steel castings used for bodies and bonnets offer excellent impact strength, minimal heat loss and protection against corrosion.

• 阀体和阀帽：阀体和阀帽采用奥氏体不锈钢铸件，具有更好的撞击强度，最小的热损耗，更加耐腐蚀。