Barnes & Jones 4319 Type A Float & Thermostatic Cage Unit for Erwel F-15 3/4" and 16 other models

Barnes & Jones 4319: Type A float & thermostatic cage unit for Erwel F-15 3/4" and 16 other models.

Fits: Erwel F-15 3/4"; Erwel F-15 1"; Erwel F-30 3/4"; Erwel F-30 1"; Spirax Sarco FT20 2"; Spirax Sarco FT-15 3/4"-2" and 11 more.

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.