1,Material:PtRh30-PtRh,PtRh10-Pt,NiCr-NiSi,NiCr-CuNi,Cu-CuNi ... tolerant operation pressure is not only related to protection tube material, diameter and the thickness of wall but also related to ... box of explosion-separation type products uses special explosion-proof structure in design. The junction box is compression casted with high-strengthened Al alloy, having ...