Stainless steel round flange positive end
Negative end joint (A-1 type)
Positive end joint (A-2 type)
Positive end reducer union
Negative end plugging
Threaded ball valve
Internal thread positive end
External thread positive end
Internal thread negative end
External thread negative end
Round flange negative end (square flange negative end)
Double-negative joint (Type B)
Negative-positive end (stainless steel, aluminum alloy)
Double-positive joint (C type)
Negative end reducer union
Coarse strainer
Fine filter