Screwed BSPP, 2 Piece, Full Bore, Brass Ball Valve, Rated PN40 ¼ to 2½, PN25 3, PN16 4, Fitted with Pneumatic Actuator, Size for 5.5 Bar (80psi) Air Supply, Fully Assembled and Tested. Available from 1/4 to 4. WRAS Approved ½ to 2.