Refrigerant Flow Controls – Commercial
A mid to late 20th century, high capacity thermostatic expansion valve, for methyl chloride refrigerant; a special marker of the time when this refrigerant was still being specified by commercial refrigeration system manufacturers, in advance of the wave of conversion to chlorinated hydrocarbon refrigerants, Freon 12 and 22; in heavy, plated brass body with superheat adjustment, highly decorated it would represent an emerging new styling idiom for component part manufacturers, by a late 20th century newcomer to the field, Peerless, 1948.
Features:
Original superheat bulb clamp
Technical Significance:
A mid to late 20th century, high capacity thermostatic expansion valve, for methyl chloride refrigerant; a special marker of the time when this refrigerant was still being specified by commercial refrigeration system manufacturers, in advance of the wave of conversion to chlorinated hydrocarbon refrigerants, Freon 12 and 22.
In a heavy, plated brass body, an unusually robust, crisp and polished product for the times, when compared with other valves off the period, see for example #ID 184 and 185.
With colourful orange and black decal and imprinted red and black cover plate the valve would represent a new era in industrial, component, product design, bring with it a fresh new look and sales appeal.
Industrial Significance:
Manufactured by a late 20th century newcomer to the field, one bringing fresh new ideas about how an expansion valve should look and operate.
Highly decorated it would represent the values and interests of a new generation of mid 20th century industrial design.