It’s not really practical to supply spools with flanges for shorter pipe spools, as commonly the nuts/bolts don’t fit, there’s insufficient space for flanges, or both. For the shorter lengths we supply spacers, a wafer style designed to be bolted between two mating flanges. The outer diameters of the spacers corresponds with I.B.C dimensions, fitting snugly within the joint. To maintain the appropriate working pressures while keeping costs down, we use three different types depending on the length for each given nominal bore:
Type 1: For the shortest lengths produced from solid PTFE bar.
Type 2: For intermediate lengths, with a PTFE lined spacer bar produced from steel.
Type 3: For longer spaces, with a PTFE lined pipe with welded stub ends.