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  • Hochauflösende Antriebe - EPC - Varibell.com
    werden wurde ein Antriebssystem entwickelt das es ermöglicht das hohe Stellverhältnis des Varibells optimal auszunutzen Durch Verwendung modernster Servomotoren mit spielarmen Cycloid Getrieben minimale Hysterese ist es möglich die 90 Drehung des Ventils selbst bei analogem Signal in über 5000 Schritte aufzulösen Diese hohe Auflösung gepaart mit einer hohen Stellgeschwindigkeit von über 90 s ergibt eine konkurrenzlose Regelgüte Ein vielseitiger Servoregler verarbeitet beinahe jedes Eingangssignal 0 4 20mA 0 2

    Original URL path: http://www.epc.at/de/varibell/hochaufloesende-antriebe/65-hochaufloesende-antriebe (2015-12-02)
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  • DIN - EPC - Varibell.com
    17 F07 115 11 8 40 200 170 110 110 60 100 16 17 F07 150 27 9 50 230 208 128 128 80 120 22 22 F10 178 40 5 80 310 225 180 150 80 160 25 22 27 F10 250 78 3 100 350 242 180 162 80 190 37 36 F14 325 116 5 150 480 262 180 162 100 190 37 36 F16 412 242 0 E Ausbauhöhe für Revision der Innenteile H Anschluss nach ISO 5211 Über 250 C Kühlaufsatz notwendig Anschlüsse normale glatte Dichtleisten Form B1 B2 Sonderausführungen wie Schweißenden Muffen etc möglich Blockgehäuse Blockgehäuse DIN PN A B C D E F G H J Gewicht Weight DN L 15 90 40 133 128 73 60 80 16 17 F07 110 10 2 15 90 63 160 133 170 73 60 80 16 17 F07 110 10 2 15 110 250 147 173 86 60 80 16 17 F07 130 15 0 15VE 100 320 122 110 62 60 80 16 10 17 F07 100 10 0 25 100 40 150 100 90 60 80 16 17 F07 98 20 0 25 115 63 160 150 100 90 60 80 16 17 F07 112 22 0 25 140 250 180 205 100 80 80 16 22 F10 160 38 0 40 150 40 100 160 140 100 60 100 16 17 F07 144 45 0 50 180 40 100 208 125 128 80 120 22 22 F10 190 55 0 E Ausbauhöhe für Revision der Innenteile H Anschluss nach ISO 5211 Über 250 C Kühlaufsatz notwendig Anschlüsse normale glatte Dichtleisten Form B1 B2 Sonderausführungen wie Schweißenden Muffen etc möglich Übersicht Home EPC Firmengeschichte Ansprechpartner Standort Anfahrtsplan Varibell Allgemeine Info Aufbau und Teile Ausführungen Das Stellelement Ventilsitze KV Werte Hochauflösende Antriebe Lieferprogramm Allgemeine

    Original URL path: http://www.epc.at/de/downloads-support/hauptabmessungen/din/23-din (2015-12-02)
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  • Operating Principle - EPC - Varibell.com
    simultaneously uncovers the two tear drop apertures giving fine flow adjustment with a 2 stage pressure reduction across both seats As the plug further rotated the profiled apertures gradually become circular permitted an increasing flow At full capacity the apertures are circular over the whole pipe diameter and the flow is unrestricted The bell shaped plug with a slope angle outside the interlock is being pressed into the valve seat by means of the spring force in the bottom cover During rotation the seat simultaneously acts as a friction bearing absorbing the friction forces over a wide surface area and centering the control element under the action of the spring High turndown ratio of up to 1 10 000 Virtually zero pressure drop in the fully open position Highest KV ratings approx 4 times the value in comparison to conventional globe control valves Overview Home EPC About us Contact Location Driving directions Varibell General info Assembly and parts Implementations The adjustment element Control valve seats Cv values High Resolution Actuators Delivery programm General info Actuators Accessories Level Measurement Technology Download Support Main dimensions DIN ANSI CAD Certificates Operating instructions Assembly drawing Get Offer Why Varibell Varibell is a rotary quarter

    Original URL path: http://www.epc.at/en/varibell-e/general-info/54-operating-principle (2015-12-02)
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  • General Information - EPC - Varibell.com
    Information General Information We offer valves according to the current DIN EN but also to ASA ASME standards in a wide range of sizes and pressure ratings As a rule our flange connections are built according to DIN EN 1092 1 Form C with sealing surfaces according to DIN EN 1092 1 Form B1 The pressure ratings comprise the range from PN 16 to PN 400 ANSI executions are built in accordance with ASME B16 5 The range is from Class 150 to Class 2500 On request valves can also be built e g with weld on ends or in accordance with internal factory standards Overview Home EPC About us Contact Location Driving directions Varibell General info Assembly and parts Implementations The adjustment element Control valve seats Cv values High Resolution Actuators Delivery programm General info Actuators Accessories Level Measurement Technology Download Support Main dimensions DIN ANSI CAD Certificates Operating instructions Assembly drawing Get Offer Why Varibell Varibell is a rotary quarter turn valve The regulating element is a bell shaped plug featuring tear drop shaped apertures machined into both inlet and outlet but laterally reversed During opening this plug rotates and simultaneously uncovers the two tear drop apertures giving

    Original URL path: http://www.epc.at/en/varibell-e/general-info/39-varibell-generalinformation (2015-12-02)
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  • Easy Installation - Easy Remont - EPC - Varibell.com
    Durchgangsbohrung Prüfflansch 1 Class 2500 Home Varibell Assembly and parts Easy Installation Easy Remont Easy Installation Easy Remont Essentially Varibell consists of 3 functional units Seat Control Bell Cover Flange These parts are merely plugged and can be replaced within a few minutes Nothing has to be adjusted during or after assembly everything adjusts itself Actuator and positioner remain in place In multifunctional facilities the control bell can be exchanged against another with a completely different KV range within a few minutes Varibell 3D Animation Download Link size 50MB File Download Overview Home EPC About us Contact Location Driving directions Varibell General info Assembly and parts Implementations The adjustment element Control valve seats Cv values High Resolution Actuators Delivery programm General info Actuators Accessories Level Measurement Technology Download Support Main dimensions DIN ANSI CAD Certificates Operating instructions Assembly drawing Get Offer Why Varibell Varibell is a rotary quarter turn valve The regulating element is a bell shaped plug featuring tear drop shaped apertures machined into both inlet and outlet but laterally reversed During opening this plug rotates and simultaneously uncovers the two tear drop apertures giving fine flow adjustment with a 2 stage pressure reduction across both seats More information

    Original URL path: http://www.epc.at/en/varibell-e/assembly-and-parts/46-easy-installation-easy-remont (2015-12-02)
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  • Varibell assembly, spare parts and wearing parts - EPC - Varibell.com
    Assembly drawing Get Offer Kühlaufsatz Cryogenanwendung Mutter A2 70 Stiftschrauben UNC7 8 M24 Molchbar Durchgangsbohrung Prüfflansch 1 Class 2500 Home Varibell Assembly and parts Varibell assembly spare parts and wearing parts Varibell assembly spare parts and wearing parts Varibell has a very simple construction A revision can be performed directly in each respective repair shop of the customer Spare parts and wearing parts can be changed in many cases without having to remove the valve from the pipeline Overview Home EPC About us Contact Location Driving directions Varibell General info Assembly and parts Implementations The adjustment element Control valve seats Cv values High Resolution Actuators Delivery programm General info Actuators Accessories Level Measurement Technology Download Support Main dimensions DIN ANSI CAD Certificates Operating instructions Assembly drawing Get Offer Why Varibell Varibell is a rotary quarter turn valve The regulating element is a bell shaped plug featuring tear drop shaped apertures machined into both inlet and outlet but laterally reversed During opening this plug rotates and simultaneously uncovers the two tear drop apertures giving fine flow adjustment with a 2 stage pressure reduction across both seats More information Contact EPC Ges m b H IZ NÖ Süd Str 1 Obj 50

    Original URL path: http://www.epc.at/en/varibell-e/assembly-and-parts/47-varibell-assembly-spare-parts-and-wearing-parts (2015-12-02)
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  • The Adjustment Element (Control Bell) - EPC - Varibell.com
    differing versions a Full Bell Typ VG This is the standard design Most of the Varibell control valves are equipped with this bell In this case the movement of the bell is comparable to a spherical valve The pressure drop is effected in two steps Inlet and outlet have the same shape Equivalent flow in both directions is possible b Special Control Bells For specific applicatons especially adapted control bells are available By very fine machining of control groove in connection with 2 stage pressure reduction smallest KV values of 0 0001 can be controlled with an excellent resolution For example single stage control bell for Gas solid application Bell of Siliciumcarbid SiSiC Control bell with two extremely different control ranges Overview Home EPC About us Contact Location Driving directions Varibell General info Assembly and parts Implementations The adjustment element Control valve seats Cv values High Resolution Actuators Delivery programm General info Actuators Accessories Level Measurement Technology Download Support Main dimensions DIN ANSI CAD Certificates Operating instructions Assembly drawing Get Offer Why Varibell Varibell is a rotary quarter turn valve The regulating element is a bell shaped plug featuring tear drop shaped apertures machined into both inlet and outlet but

    Original URL path: http://www.epc.at/en/varibell-e/the-adjustment-element/50-the-adjustmentl-element-control-bell (2015-12-02)
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  • Control Valve Seats - EPC - Varibell.com
    Control Valve Seats For most applications and up to a temperature of 200 C we use PTFE virgin PTFE Glassfiber PTFE Graphite For higher temperatures and or pressures we can also use other high performance plastics such as PEEK PVX Sintimide Those materials allow permanent temperatures of more than 250 C and for short time use temperatures of up to 300 C Chemical stability has to be checked in every case For abrasive media and or higher temperatures hardened metal seats are used A special procedure known as kolsterising is used in order to abtain the chemical characteristics of the perforated disc Overview Home EPC About us Contact Location Driving directions Varibell General info Assembly and parts Implementations The adjustment element Control valve seats Cv values High Resolution Actuators Delivery programm General info Actuators Accessories Level Measurement Technology Download Support Main dimensions DIN ANSI CAD Certificates Operating instructions Assembly drawing Get Offer Why Varibell Varibell is a rotary quarter turn valve The regulating element is a bell shaped plug featuring tear drop shaped apertures machined into both inlet and outlet but laterally reversed During opening this plug rotates and simultaneously uncovers the two tear drop apertures giving fine flow adjustment

    Original URL path: http://www.epc.at/en/varibell-e/control-valve-seats/57-control-valve-seats (2015-12-02)
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