Barnes & Jones 4217 Type D Thermostatic Cage Unit for Barnes & Jones P 1" and 3 other models

Barnes & Jones 4217: Type D thermostatic cage unit for Barnes & Jones P 1" and 3 other models.

Fits: Barnes & Jones P 1"; Barnes & Jones P 1 1/4"; Barnes & Jones 2R 1"; Barnes & Jones 3R 1 1/4".

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.