・Special temperature environment:
　Special materials are used in the manufacturing of seals and resin parts to allow them to withstand various temperature conditions in cold or tropical (hot) climates.

・Stainless steel 316 and special temperature environment (−40℃) specifications
・Material of external parts: Stainless steel 316
・Ambient and fluid temperatures: −40 to 80℃
・NACE International Standards compliant