Standard End Fittings Welding end Pipe Hexagon nipple tapered male Hexagon nipple straight male Plain Socket Straight Female Hexagon Socket Straight Female Female swivel hexagon union straight female Stainless steel hexagon union straight female Hexagon union straight female Hexagon union welding end hexagon union GF 304 type straight female 3000 lbs heavy duty type straight female Fixed flange Floating flange Hexagon union straight male