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2010/6/5
Corliss valves

Corliss valves open directly into the cylinder. The valves connect the cylinder to separate steam and exhaust plenums. Initially, Corliss

2010/6/5
Brass instruments

Cylindrical piston valves are used to change the pitch in the playing of many brass instruments.

Brass instruments can be grouped

2010/6/5
research for valve industry

Widespread use of the valve industry, metal valves, metal valves for use has been a century of history, although the metal valve through

2010/6/5
brass development

Ball valves has a muted yellow color, somewhat similar to gold. It is relatively resistant to tarnishing, and is often used as decoration

2010/6/5
brass ball valve's history

Ancient Chinese artifacts, the most widely used and significant brass ball valve differences, different shapes of the incense burner in t

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