Barnes & Jones 4019 Type A Thermostatic Cage Unit for Barnes & Jones M12 2x3 and 4 other models

Barnes & Jones 4019: Type A thermostatic cage unit for Barnes & Jones M12 2x3 and 4 other models.

Fits: Barnes & Jones M12 2x3; Barnes & Jones M122 1/2"; Barnes & Jones H12 2x3; Barnes & Jones H120 1/2"; Barnes & Jones H122 1/2".

A Barnes & Jones cage unit contains every working part of a thermostatic steam trap, including the seat, calibrated together under steam at the factory and locked into a stainless steel housing. It drops into the existing trap body as a one-piece, removable, testable unit, with no loose parts to align or over-tighten. Type A units serve vacuum to 25 psig, Type B to 65 psig and Types C and D to 300 psig.

Manufacturer documentation: product literature.