-Size:1/4" 3/8" 1/2" 3/4" 1" 11/4" 11/2" 2" 21/2" 3" 4" -Two-Piece Body,Full Port,Blowout-Proof Stem,PTFE Seats. WD-2101 Brass Ball Valve♦ Size:1/4" 3/8" 1/2" 3/4" 1" 11/4" 11/2" 2" 21/2" 3" 4"• Two-Piece Body,Full Port,Blowout-Proof Stem,PTFE Seats.Carbon Steel Handle.• PN20 600Psi/40 Bar Non-shock Cold Working Pressure.• Working Temperature:-20°C≤t≤180°C.• Applicable Medium:Water,Oil,Gas,Non- ...