MANUAL LOCKOUT L-O-X VALVE PORT SIZE IN-OUT 1″, EXHAUST 1-1/4″ TYPE : Y1523C6002 Meets all OSHA, ANSI, CSA, and ISO requirements for lock out and tag out procedures. Valves are highly visible with yellow body and red operating handle, have large ports that provide rapid exhaust, and have an integrated sensing port for pressure verification.