Requirements for this product are far less demanding than for diaphragm sheet. Due to the nature of the service, there is no strength rating applied to CI sheet. For metering applications PharGo LLC manufactures diaphragm sheet . In this case, thick rubber covers are needed to fill in and smooth out the rough impression of the fabric. Large diameters are being sealed.
Flanges are rough or warped but within reasonable limits.
5 Ply Diaphragm Sheeting Stock No.