High -low pressure switching device of well head safety automatic analysis line valve
The utility model discloses a high -low pressure switching device of well head safety automatic analysis line valve contains output end cover, cylinder body and input end cover, and output end cover,input end cover install respectively in the cylinder body both ends, is provided with output plunger...
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| creator | SU LIHUI LI HONG YUAN CHENYU YANG HUI ZHANG BO HE YONGTAO SUN HAORU SONG HENGRUI YU CHUAN YUE JIANWEI HUANG SHOUQING QIN ZUBIAO ZHAI JIANGBO WANG GANG TANG YONG MING YONGBING |
| description | The utility model discloses a high -low pressure switching device of well head safety automatic analysis line valve contains output end cover, cylinder body and input end cover, and output end cover,input end cover install respectively in the cylinder body both ends, is provided with output plunger and input plunger in the cylinder body, closely laminate between output plunger and input plunger and the cylinder body inner wall, be provided with the dowel steel between output plunger and the input plunger, form hermetic cavity room no. 1 between output end cover, cylinder body, the output plunger, form hermetic cavity room no. 2 between output plunger, cylinder body, the input plunger, form hermetic cavity room no. 3 between output end cover, cylinder body, the output plunger. The utilitymodel discloses a cooperation of two plungers and three cavity, this device can be according to the arbitrary set pressure value range of user's needs to more effectively guarantee well head safety shut -off valve's normal ope |
| format | Patent |
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The utilitymodel discloses a cooperation of two plungers and three cavity, this device can be according to the arbitrary set pressure value range of user's needs to more effectively guarantee well head safety shut -off valve's normal ope</description><language>chi ; eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2018</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=20180410&DB=EPODOC&CC=CN&NR=207212796U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180410&DB=EPODOC&CC=CN&NR=207212796U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SU LIHUI</creatorcontrib><creatorcontrib>LI HONG</creatorcontrib><creatorcontrib>YUAN CHENYU</creatorcontrib><creatorcontrib>YANG HUI</creatorcontrib><creatorcontrib>ZHANG BO</creatorcontrib><creatorcontrib>HE YONGTAO</creatorcontrib><creatorcontrib>SUN HAORU</creatorcontrib><creatorcontrib>SONG HENGRUI</creatorcontrib><creatorcontrib>YU CHUAN</creatorcontrib><creatorcontrib>YUE JIANWEI</creatorcontrib><creatorcontrib>HUANG SHOUQING</creatorcontrib><creatorcontrib>QIN ZUBIAO</creatorcontrib><creatorcontrib>ZHAI JIANGBO</creatorcontrib><creatorcontrib>WANG GANG</creatorcontrib><creatorcontrib>TANG YONG</creatorcontrib><creatorcontrib>MING YONGBING</creatorcontrib><title>High -low pressure switching device of well head safety automatic analysis line valve</title><description>The utility model discloses a high -low pressure switching device of well head safety automatic analysis line valve contains output end cover, cylinder body and input end cover, and output end cover,input end cover install respectively in the cylinder body both ends, is provided with output plunger and input plunger in the cylinder body, closely laminate between output plunger and input plunger and the cylinder body inner wall, be provided with the dowel steel between output plunger and the input plunger, form hermetic cavity room no. 1 between output end cover, cylinder body, the output plunger, form hermetic cavity room no. 2 between output plunger, cylinder body, the input plunger, form hermetic cavity room no. 3 between output end cover, cylinder body, the output plunger. 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The utilitymodel discloses a cooperation of two plungers and three cavity, this device can be according to the arbitrary set pressure value range of user's needs to more effectively guarantee well head safety shut -off valve's normal ope</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | High -low pressure switching device of well head safety automatic analysis line valve |
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