HIGH PRESSURE ABRASIVE SLURRY CHECK VALVE

A piston check valve for use in a system which conveys abrasive materials includes a gland nut which connects the valve to the piping system, a valve body mounted on the gland nut, a valve seat mounted on the valve body, and a piston mounted within the valve body. The piston can translate within the...

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1. Verfasser:	SERAFIN, MARK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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creator	SERAFIN, MARK
description	A piston check valve for use in a system which conveys abrasive materials includes a gland nut which connects the valve to the piping system, a valve body mounted on the gland nut, a valve seat mounted on the valve body, and a piston mounted within the valve body. The piston can translate within the through bore of the valve seat and has a shaft and a head which contacts the first end of the valve seat when the valve is closed. A coil spring is located within the through bore of the valve seat and biases the valve closed. A first O-ring is mounted on the first end of the valve seat and is sufficiently wide to prevent sufficient quantities of chips from becoming lodged within the surface of the inner O-ring to form a hard bridge across the resilient O-ring, allowing erosion of the valve sealing surfaces. The first end of the valve seat has an O-ring groove which receives the O-ring. A second O-ring can be mounted on the first end of the valve seat at the outer periphery of the valve seat.
format	Patent
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The piston can translate within the through bore of the valve seat and has a shaft and a head which contacts the first end of the valve seat when the valve is closed. A coil spring is located within the through bore of the valve seat and biases the valve closed. A first O-ring is mounted on the first end of the valve seat and is sufficiently wide to prevent sufficient quantities of chips from becoming lodged within the surface of the inner O-ring to form a hard bridge across the resilient O-ring, allowing erosion of the valve sealing surfaces. The first end of the valve seat has an O-ring groove which receives the O-ring. A second O-ring can be mounted on the first end of the valve seat at the outer periphery of the valve seat.</description><edition>6</edition><language>eng ; fre ; ger</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 ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; TAPS ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>1997</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=19970903&DB=EPODOC&CC=EP&NR=0792427A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19970903&DB=EPODOC&CC=EP&NR=0792427A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SERAFIN, MARK</creatorcontrib><title>HIGH PRESSURE ABRASIVE SLURRY CHECK VALVE</title><description>A piston check valve for use in a system which conveys abrasive materials includes a gland nut which connects the valve to the piping system, a valve body mounted on the gland nut, a valve seat mounted on the valve body, and a piston mounted within the valve body. The piston can translate within the through bore of the valve seat and has a shaft and a head which contacts the first end of the valve seat when the valve is closed. A coil spring is located within the through bore of the valve seat and biases the valve closed. A first O-ring is mounted on the first end of the valve seat and is sufficiently wide to prevent sufficient quantities of chips from becoming lodged within the surface of the inner O-ring to form a hard bridge across the resilient O-ring, allowing erosion of the valve sealing surfaces. The first end of the valve seat has an O-ring groove which receives the O-ring. A second O-ring can be mounted on the first end of the valve seat at the outer periphery of the valve seat.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>TAPS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1997</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND08HT3UAgIcg0ODg1yVXB0CnIM9gxzVQj2CQ0KilRw9nB19lYIc_QJc-VhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAQbmlkYmRuaOhsZEKAEA7CAkCQ</recordid><startdate>19970903</startdate><enddate>19970903</enddate><creator>SERAFIN, MARK</creator><scope>EVB</scope></search><sort><creationdate>19970903</creationdate><title>HIGH PRESSURE ABRASIVE SLURRY CHECK VALVE</title><author>SERAFIN, MARK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0792427A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1997</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>TAPS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SERAFIN, MARK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SERAFIN, MARK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HIGH PRESSURE ABRASIVE SLURRY CHECK VALVE</title><date>1997-09-03</date><risdate>1997</risdate><abstract>A piston check valve for use in a system which conveys abrasive materials includes a gland nut which connects the valve to the piping system, a valve body mounted on the gland nut, a valve seat mounted on the valve body, and a piston mounted within the valve body. The piston can translate within the through bore of the valve seat and has a shaft and a head which contacts the first end of the valve seat when the valve is closed. A coil spring is located within the through bore of the valve seat and biases the valve closed. A first O-ring is mounted on the first end of the valve seat and is sufficiently wide to prevent sufficient quantities of chips from becoming lodged within the surface of the inner O-ring to form a hard bridge across the resilient O-ring, allowing erosion of the valve sealing surfaces. The first end of the valve seat has an O-ring groove which receives the O-ring. A second O-ring can be mounted on the first end of the valve seat at the outer periphery of the valve seat.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP0792427A1
source	esp@cenet
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 POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
title	HIGH PRESSURE ABRASIVE SLURRY CHECK VALVE
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