Once upon a time, most large refineries and chemical plants had their own valve shops, complete with a full compliment of experienced valve repair technicians. These service departments took care of most of the plants repair needs, although often times valves were simply replaced rather than refurbished. During the boom times of the 1950s and early 1960s, the valve repair industry took root and blossomed, as end users began to divest themselves of most valve repair functions. The emergence of dozens of small- to medium-sized valve repair companies all across the country helped fill the vacuum left by the closing of the plant owned valve repair shops. A few manufacturers got in on the repair action by establishing their own service centers at select locations around the country.
展开▼
