Pilot middle cavity balance pressure-type ultrahigh pressure ball valve for oil and gas production equipment
The invention relates to a pilot middle cavity balance pressure-type ultrahigh pressure ball valve for oil and gas production equipment. The pilot middle cavity balance pressure-type ultrahigh pressure ball valve comprises a main valve body, a first sealing valve seat, a second sealing valve seat an...
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| creator | DENG JINXIAN HUANG HUI LI SHULIN CHEN LIN |
| description | The invention relates to a pilot middle cavity balance pressure-type ultrahigh pressure ball valve for oil and gas production equipment. The pilot middle cavity balance pressure-type ultrahigh pressure ball valve comprises a main valve body, a first sealing valve seat, a second sealing valve seat and a pressure relief structure, wherein an auxiliary valve body is arranged at one side of the main valve body; a mounting cavity is formed in the main valve body; a valve ball is rotationally connected to the interior of the mounting cavity; a flow guide channel is formed in the middle of the valve ball; the first sealing valve seat and the second sealing valve seat are movably connected to the main valve body and oppositely arranged at two sides of the valve ball; and the pressure relief structure is arranged on the valve ball and is used for guiding a high-pressure medium to the mounting cavity to form a pressure balance state after the valve ball rotates to be opened at a preset angle. Due to the arrangement of |
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The pilot middle cavity balance pressure-type ultrahigh pressure ball valve comprises a main valve body, a first sealing valve seat, a second sealing valve seat and a pressure relief structure, wherein an auxiliary valve body is arranged at one side of the main valve body; a mounting cavity is formed in the main valve body; a valve ball is rotationally connected to the interior of the mounting cavity; a flow guide channel is formed in the middle of the valve ball; the first sealing valve seat and the second sealing valve seat are movably connected to the main valve body and oppositely arranged at two sides of the valve ball; and the pressure relief structure is arranged on the valve ball and is used for guiding a high-pressure medium to the mounting cavity to form a pressure balance state after the valve ball rotates to be opened at a preset angle. Due to the arrangement of</description><language>chi ; eng</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210608&DB=EPODOC&CC=CN&NR=112923094A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210608&DB=EPODOC&CC=CN&NR=112923094A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DENG JINXIAN</creatorcontrib><creatorcontrib>HUANG HUI</creatorcontrib><creatorcontrib>LI SHULIN</creatorcontrib><creatorcontrib>CHEN LIN</creatorcontrib><title>Pilot middle cavity balance pressure-type ultrahigh pressure ball valve for oil and gas production equipment</title><description>The invention relates to a pilot middle cavity balance pressure-type ultrahigh pressure ball valve for oil and gas production equipment. The pilot middle cavity balance pressure-type ultrahigh pressure ball valve comprises a main valve body, a first sealing valve seat, a second sealing valve seat and a pressure relief structure, wherein an auxiliary valve body is arranged at one side of the main valve body; a mounting cavity is formed in the main valve body; a valve ball is rotationally connected to the interior of the mounting cavity; a flow guide channel is formed in the middle of the valve ball; the first sealing valve seat and the second sealing valve seat are movably connected to the main valve body and oppositely arranged at two sides of the valve ball; and the pressure relief structure is arranged on the valve ball and is used for guiding a high-pressure medium to the mounting cavity to form a pressure balance state after the valve ball rotates to be opened at a preset angle. 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The pilot middle cavity balance pressure-type ultrahigh pressure ball valve comprises a main valve body, a first sealing valve seat, a second sealing valve seat and a pressure relief structure, wherein an auxiliary valve body is arranged at one side of the main valve body; a mounting cavity is formed in the main valve body; a valve ball is rotationally connected to the interior of the mounting cavity; a flow guide channel is formed in the middle of the valve ball; the first sealing valve seat and the second sealing valve seat are movably connected to the main valve body and oppositely arranged at two sides of the valve ball; and the pressure relief structure is arranged on the valve ball and is used for guiding a high-pressure medium to the mounting cavity to form a pressure balance state after the valve ball rotates to be opened at a preset angle. Due to the arrangement of</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | Pilot middle cavity balance pressure-type ultrahigh pressure ball valve for oil and gas production equipment |
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