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· PDF fileVACUUM OR PRESSURE ... Mud and slurry pump relief to 6,000 PSI. MODEL O-A RELIEF VALVE ... Bohai Oil Boom Drilling British Petroleum American

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Page 1: · PDF fileVACUUM OR PRESSURE ... Mud and slurry pump relief to 6,000 PSI. MODEL O-A RELIEF VALVE ... Bohai Oil Boom Drilling British Petroleum American
Page 2: · PDF fileVACUUM OR PRESSURE ... Mud and slurry pump relief to 6,000 PSI. MODEL O-A RELIEF VALVE ... Bohai Oil Boom Drilling British Petroleum American
Page 3: · PDF fileVACUUM OR PRESSURE ... Mud and slurry pump relief to 6,000 PSI. MODEL O-A RELIEF VALVE ... Bohai Oil Boom Drilling British Petroleum American