Flextron Gas Ball Valve features 3/4 Inch Female Iron Pipe (FIP) x 3/4 Inch Female Iron Pipe (FIP) Fittings for a gas connector and is made of brass construction for a strong, durable connection. It has Quarter-Turn Lever Handle. The valve is in-line for connecting 2 pipes going in the same direction and has NPT threads on both ends for creating tighter seals than straight threads. The lever and spindle have a dual Lock System for Quarter Turn Operation and their bodies fabricated form carbon steel & working parts from stainless steel. The Seats & Gland Washers are P.T.F.E( Polytetrafluoroethylene), which is full bore, anti-static & fire safe. And it is listed with Underwriters Laboratory (UL) and CSA Certified for safe use with liquefied petroleum gas (LP-Gas), natural gas, flammable liquids and heated oils.