The IRV series vacuum regulator is a more compact size and has an expanded range. Thread sizes available include Rc(PT), NPT and G(PF).  The new and improved IRV10/20 series offers single sided connections for ease of installation and panel mounting. Built-in one-touch fittings include 6, 8, and 10mm and also 1/4", 5/16", and 3/8" for both fitting types elbow or straight.