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needle valves and manifolds
issue date：2006/01/26page views：1633
superior needle valves oliver valves engineers and manufactures a range of needle valves and manifolds for use in the oil, gas and petrochemical industries. all of our needle valves are availa...
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diversion ball valves
issue date：2006/01/26page views：1444
overview the 'b6sl' type 3 way flow diverting ball valve is designed for safely diverting flow to one of the two outlet ports. totally enclosed soft seats offer both positive sealing and low opera...
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