The long single compartment distance piece meets API-618 Type B and ISO-13631 Type 2. It is used for separation of the pressure and wiper packings. With the availability of the two compartment distance piece options, the single compartment distance piece is recommended for non-corrosive gas applications.

The long single compartment distance piece is standard on the JGH, JGE, JGT, JGK, KBE, KBK, KBT, JGC, JGD, JGF, KBZ, KBU, KBB and KBV frames.