Butt Weld & Tube OD FittingsASME-BPE Compliant Fittings for the BPE MarketWe are”proud”to promote ourselves as a USA Manufacturer utilizing domestic sources as our first line of supply.Butt Weld & Tube OD Fitting Categories All fittings are manufactured to BPE specs unless otherwise specified. ELBOWSView ELBOWS TEES & CROSSESVIEW TEES & CROSSES REDUCERSView REDUCERSS