{"id":11072,"date":"2023-02-07T14:25:42","date_gmt":"2023-02-07T06:25:42","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?post_type=product&p=11072"},"modified":"2023-02-07T15:50:53","modified_gmt":"2023-02-07T07:50:53","slug":"telescopic-butterfly-valve-manufacturer","status":"publish","type":"product","link":"https:\/\/raymonvalve.com\/de\/produkt\/telescopic-butterfly-valve-manufacturer\/","title":{"rendered":"Hersteller von Absperrklappen mit Schneckengetriebe und Teleskopausf\u00fchrung"},"content":{"rendered":"

Hersteller von Absperrklappen mit Schneckengetriebe und Teleskopausf\u00fchrung<\/span><\/b><\/h2>\n

SD343H Teleskop-Absperrventil mit Schneckengetriebe (Beschreibung)<\/span><\/b><\/h3>\n

Das Teleskop-Absperrventil SD343H mit Schneckengetriebe ist eine Komponente zur Steuerung des Ein- und Ausschaltens sowie des Durchflussregelung in Rohrleitungssystemen. Es wird h\u00e4ufig in der Erd\u00f6l-, Chemie-, Metallurgie-, Wasserkraft- und vielen anderen Bereichen eingesetzt. Die Absperrklappe des Teleskop-Absperrventils ist in der Durchmesserrichtung der Rohrleitung installiert. Im zylindrischen Kanal des Absperrventilgeh\u00e4uses dreht sich die scheibenf\u00f6rmige Absperrklappe um die Achse, wobei der Drehwinkel zwischen 0\u00b0 und 90\u00b0 liegt. Wenn die Drehung 90\u00b0 erreicht, ist das Ventil vollst\u00e4ndig ge\u00f6ffnet. Das Ventil wird im Allgemeinen horizontal installiert.<\/span><\/p>\n

Anwendung und Merkmale<\/span><\/b><\/h3>\n

Das Teleskop-Absperrventil SD343H mit Schneckengetriebe und einem Nenndruck von \u22641,6 MPa dient zur Durchflussregelung und Absperrung von Medien in Wasserversorgungs-, Entw\u00e4sserungs- und Gasleitungen f\u00fcr die Lebensmittel-, Pharma-, Chemie-, Erd\u00f6l-, Elektroenergie-, Leichttextil- und Papierindustrie. Es kompensiert au\u00dferdem die W\u00e4rmeausdehnung und K\u00e4ltekontraktion von Rohrleitungen.<\/span><\/p>\n

1. Neues Design, vern\u00fcnftige Struktur, geringes Gewicht, einfache Bedienung, schnelles \u00d6ffnen und Schlie\u00dfen<\/span><\/p>\n

2.T<\/span>Das teleskopische Absperrklappe kann nicht nur die Funktion des Einstellens und Absperrens erf\u00fcllen, sondern auch die durch Temperaturunterschiede in der Rohrleitung verursachte thermische Ausdehnung und K\u00e4ltekontraktion ausgleichen. Zudem erleichtert es die Installation, den Austausch und die Wartung des Ventils.<\/span><\/p>\n

3.<\/span>Das Dichtungselement ist einstellbar und austauschbar, die Dichtleistung ist zuverl\u00e4ssig<\/span><\/p>\n

Installationshinweise<\/span><\/p>\n

1. Teleskop-Absperrklappen m\u00fcssen vor der Installation eben sein, nicht schlagen<\/span><\/p>\n

2. Die Baul\u00e4nge des Teleskop-Absperrklappe ist bei Lieferung gering. Bei der Montage wird sie auf die Einbaul\u00e4nge (d.h. die Konstruktionsl\u00e4nge) ausgezogen.<\/span><\/p>\n

3.<\/span>Wenn die Leitungsl\u00e4nge die Einbaul\u00e4nge des Dehnungsventils \u00fcberschreitet, passen Sie bitte den Leitungsabstand an. Ziehen Sie das Dehnungsventil nicht gewaltsam, um Besch\u00e4digungen zu vermeiden. Die St\u00fctzkraft der Halterung wird nach folgender Formel berechnet. Das Entfernen der Halterung w\u00e4hrend des Betriebs ist strengstens untersagt.<\/span><\/p>\n

4.<\/span>Auf der Rohrleitungsbaustelle ist die Demontage der Teleskop-Absperrklappe strengstens untersagt.<\/span><\/p>\n

5.<\/span>Schneckengetriebe-Teleskop-Absperrklappe, Feinbearbeitung, dicht schlie\u00dfend, die kurze Teleskop-Absperrklappe vor Ort nicht wiederholt verl\u00e4ngern. Bei der Montage der Rohrleitung m\u00fcssen die Rohre an beiden Enden des Dehnungsventils konzentrisch sein und die beiden Flansche an der Rohrleitung parallel verlaufen.<\/span><\/p>\n

6.<\/span>Die Flanschbefestigungsschrauben sollten symmetrisch angezogen werden. Ziehen Sie die Flanschbefestigungsschrauben nicht einseitig an.<\/span><\/p>\n

Haupttechnische Parameter<\/span><\/b><\/h3>\n\n\n\n\n\n\n\n\n\n\n\n
N<\/span>Nenndurchmesser DN (mm)<\/span><\/td>\n50\uff5e2000<\/span><\/td>\n50\uff5e1600<\/span><\/td>\n<\/tr>\n
Nenndruck PN (MPa)<\/span><\/td>\n0.6<\/span><\/td>\n1.0<\/span><\/td>\n1.6<\/span><\/td>\n<\/tr>\n
Dichtheitspr\u00fcfung (MPa)<\/span><\/td>\n0.66<\/span><\/td>\n1.1<\/span><\/td>\n1.76<\/span><\/td>\n<\/tr>\n
Festigkeitspr\u00fcfung (MPa)<\/span><\/td>\n0.9<\/span><\/td>\n1.5<\/span><\/td>\n2.4<\/span><\/td>\n<\/tr>\n
A<\/span>Anwendbare Temperatur<\/span><\/td>\nWeichdichtung<\/span><\/td>\nX:-40\u2103\uff5e90\u2103;XF:-20\u2103\uff5e200\u2103<\/span><\/td>\n<\/tr>\n
Hartdichtung<\/span><\/td>\nKohlenstoffstahl <\/span>:-29\u2103\uff5e425\u2103 <\/span>Edelstahl<\/span>-40\u2103\uff5e650\u2103<\/span><\/td>\n<\/tr>\n
Anwendbares Medium<\/span><\/td>\nWasser, Luft, Erdgas, \u00d6l und schwach korrosive Fl\u00fcssigkeiten<\/span><\/td>\n<\/tr>\n
Leckagerate<\/span><\/td>\nNach Standard GB\/T13927-92<\/span><\/td>\n<\/tr>\n
Antriebsart<\/span><\/td>\nSchneckengetriebe, elektrisch, pneumatisch, hydraulisch<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Materialien der Hauptkomponenten<\/span><\/b><\/h3>\n\n\n\n\n\n\n\n\n\n
Name der Komponenten<\/span><\/td>\nWerkstoffen<\/span><\/td>\n<\/tr>\n
Ventilk\u00f6rper<\/span><\/td>\nGusseisen, Gussstahl, Edelstahl, Hascrome, legierter Stahl<\/span><\/td>\n<\/tr>\n
Absperrklappe<\/span><\/td>\nGussstahl, Edelstahl, Hascrome, legierter Stahl<\/span><\/td>\n<\/tr>\n
Dichtring<\/span><\/td>\nGummi, PTFE, Polyester, Edelstahl<\/span><\/td>\n<\/tr>\n
Ventilspindel<\/span><\/td>\n2Cr13, Edelstahl, Hascrome<\/span><\/td>\n<\/tr>\n
Teleskoprohr<\/span><\/td>\nGusseisen, Gussstahl, Edelstahl, Hascrome<\/span><\/td>\n<\/tr>\n
Dichtungspolster<\/span><\/td>\nFlexibler Graphit<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Die Hauptform und Anschlussabmessungen<\/span><\/b><\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Nenndurchmesser <\/span><\/td>\nAu\u00dfenabmessungen (Referenzwerte)<\/span><\/td>\nFlanschabmessungen und Bolzenlochabmessungen (Standardwerte)<\/span><\/td>\n<\/tr>\n
H<\/span><\/td>\nH1<\/span><\/td>\nKonstruktionsl\u00e4nge gro\u00df<\/span><\/td>\nKonstruktionsl\u00e4nge klein<\/span><\/td>\nKonstruktionsl\u00e4nge<\/span><\/td>\nA<\/span><\/td>\nB<\/span><\/td>\n0,6 MPa<\/span><\/td>\n1,0 MPa<\/span><\/td>\n1,6 MPa<\/span><\/td>\n<\/tr>\n
mm<\/span><\/td>\nZoll<\/span><\/td>\nD<\/span><\/td>\nD1<\/span><\/td>\nD2<\/span><\/td>\nNennweite<\/span><\/td>\nD<\/span><\/td>\nD1<\/span><\/td>\nD2<\/span><\/td>\nNennweite<\/span><\/td>\nD<\/span><\/td>\nD1<\/span><\/td>\nD2<\/span><\/td>\nNennweite<\/span><\/td>\n<\/tr>\n
50<\/span><\/td>\n2<\/span><\/td>\n80<\/span><\/td>\n309<\/span><\/td>\n164<\/span><\/td>\n138<\/span><\/td>\n151<\/span><\/td>\n180<\/span><\/td>\n200<\/span><\/td>\n140<\/span><\/td>\n110<\/span><\/td>\n88<\/span><\/td>\n4-14<\/span><\/td>\n165<\/span><\/td>\n125<\/span><\/td>\n99<\/span><\/td>\n4-18<\/span><\/td>\n165<\/span><\/td>\n125<\/span><\/td>\n99<\/span><\/td>\n4-18<\/span><\/td>\n<\/tr>\n
65<\/span><\/td>\n2 1\/2<\/span><\/td>\n95<\/span><\/td>\n337<\/span><\/td>\n190<\/span><\/td>\n154<\/span><\/td>\n172<\/span><\/td>\n180<\/span><\/td>\n200<\/span><\/td>\n160<\/span><\/td>\n130<\/span><\/td>\n108<\/span><\/td>\n4-14<\/span><\/td>\n185<\/span><\/td>\n145<\/span><\/td>\n118<\/span><\/td>\n4-18<\/span><\/td>\n185<\/span><\/td>\n145<\/span><\/td>\n118<\/span><\/td>\n4-18<\/span><\/td>\n<\/tr>\n
80<\/span><\/td>\n3<\/span><\/td>\n98<\/span><\/td>\n347<\/span><\/td>\n195<\/span><\/td>\n163<\/span><\/td>\n177<\/span><\/td>\n180<\/span><\/td>\n200<\/span><\/td>\n190<\/span><\/td>\n150<\/span><\/td>\n124<\/span><\/td>\n4-18<\/span><\/td>\n200<\/span><\/td>\n160<\/span><\/td>\n132<\/span><\/td>\n8-18<\/span><\/td>\n200<\/span><\/td>\n160<\/span><\/td>\n132<\/span><\/td>\n8-18<\/span><\/td>\n<\/tr>\n
100<\/span><\/td>\n4<\/span><\/td>\n114<\/span><\/td>\n373<\/span><\/td>\n227<\/span><\/td>\n184<\/span><\/td>\n206<\/span><\/td>\n180<\/span><\/td>\n200<\/span><\/td>\n210<\/span><\/td>\n170<\/span><\/td>\n144<\/span><\/td>\n4-18<\/span><\/td>\n220<\/span><\/td>\n180<\/span><\/td>\n156<\/span><\/td>\n8-18<\/span><\/td>\n220<\/span><\/td>\n180<\/span><\/td>\n156<\/span><\/td>\n8-18<\/span><\/td>\n<\/tr>\n
125<\/span><\/td>\n5<\/span><\/td>\n128<\/span><\/td>\n405<\/span><\/td>\n254<\/span><\/td>\n201<\/span><\/td>\n215<\/span><\/td>\n180<\/span><\/td>\n200<\/span><\/td>\n240<\/span><\/td>\n200<\/span><\/td>\n174<\/span><\/td>\n8-18<\/span><\/td>\n250<\/span><\/td>\n210<\/span><\/td>\n184<\/span><\/td>\n8-18<\/span><\/td>\n250<\/span><\/td>\n210<\/span><\/td>\n184<\/span><\/td>\n8-18<\/span><\/td>\n<\/tr>\n
150<\/span><\/td>\n6<\/span><\/td>\n139<\/span><\/td>\n440<\/span><\/td>\n240<\/span><\/td>\n195<\/span><\/td>\n225<\/span><\/td>\n270<\/span><\/td>\n280<\/span><\/td>\n265<\/span><\/td>\n225<\/span><\/td>\n199<\/span><\/td>\n8-18<\/span><\/td>\n285<\/span><\/td>\n240<\/span><\/td>\n211<\/span><\/td>\n8-22<\/span><\/td>\n285<\/span><\/td>\n240<\/span><\/td>\n211<\/span><\/td>\n8-22<\/span><\/td>\n<\/tr>\n
200<\/span><\/td>\n8<\/span><\/td>\n174<\/span><\/td>\n612<\/span><\/td>\n265<\/span><\/td>\n215<\/span><\/td>\n245<\/span><\/td>\n400<\/span><\/td>\n425<\/span><\/td>\n320<\/span><\/td>\n280<\/span><\/td>\n254<\/span><\/td>\n8-18<\/span><\/td>\n340<\/span><\/td>\n295<\/span><\/td>\n266<\/span><\/td>\n8-22<\/span><\/td>\n340<\/span><\/td>\n295<\/span><\/td>\n266<\/span><\/td>\n12-22<\/span><\/td>\n<\/tr>\n
250<\/span><\/td>\n10<\/span><\/td>\n215<\/span><\/td>\n693<\/span><\/td>\n295<\/span><\/td>\n235<\/span><\/td>\n265<\/span><\/td>\n400<\/span><\/td>\n425<\/span><\/td>\n375<\/span><\/td>\n335<\/span><\/td>\n309<\/span><\/td>\n12-18<\/span><\/td>\n395<\/span><\/td>\n350<\/span><\/td>\n319<\/span><\/td>\n12-22<\/span><\/td>\n405<\/span><\/td>\n355<\/span><\/td>\n319<\/span><\/td>\n12-26<\/span><\/td>\n<\/tr>\n
300<\/span><\/td>\n12<\/span><\/td>\n245<\/span><\/td>\n747<\/span><\/td>\n308<\/span><\/td>\n254<\/span><\/td>\n282<\/span><\/td>\n450<\/span><\/td>\n560<\/span><\/td>\n440<\/span><\/td>\n395<\/span><\/td>\n363<\/span><\/td>\n12-22<\/span><\/td>\n445<\/span><\/td>\n400<\/span><\/td>\n370<\/span><\/td>\n12-22<\/span><\/td>\n460<\/span><\/td>\n410<\/span><\/td>\n370<\/span><\/td>\n12-26<\/span><\/td>\n<\/tr>\n
350<\/span><\/td>\n14<\/span><\/td>\n270<\/span><\/td>\n802<\/span><\/td>\n325<\/span><\/td>\n271<\/span><\/td>\n300<\/span><\/td>\n450<\/span><\/td>\n560<\/span><\/td>\n490<\/span><\/td>\n445<\/span><\/td>\n413<\/span><\/td>\n12-22<\/span><\/td>\n505<\/span><\/td>\n460<\/span><\/td>\n429<\/span><\/td>\n16-22<\/span><\/td>\n520<\/span><\/td>\n470<\/span><\/td>\n429<\/span><\/td>\n16-26<\/span><\/td>\n<\/tr>\n
400<\/span><\/td>\n16<\/span><\/td>\n305<\/span><\/td>\n991<\/span><\/td>\n345<\/span><\/td>\n283<\/span><\/td>\n314<\/span><\/td>\n535<\/span><\/td>\n580<\/span><\/td>\n540<\/span><\/td>\n495<\/span><\/td>\n463<\/span><\/td>\n16-22<\/span><\/td>\n565<\/span><\/td>\n515<\/span><\/td>\n480<\/span><\/td>\n16-26<\/span><\/td>\n580<\/span><\/td>\n525<\/span><\/td>\n480<\/span><\/td>\n16-30<\/span><\/td>\n<\/tr>\n
450<\/span><\/td>\n18<\/span><\/td>\n325<\/span><\/td>\n1037<\/span><\/td>\n370<\/span><\/td>\n314<\/span><\/td>\n340<\/span><\/td>\n535<\/span><\/td>\n580<\/span><\/td>\n595<\/span><\/td>\n550<\/span><\/td>\n518<\/span><\/td>\n16-22<\/span><\/td>\n615<\/span><\/td>\n565<\/span><\/td>\n530<\/span><\/td>\n20-26<\/span><\/td>\n640<\/span><\/td>\n585<\/span><\/td>\n548<\/span><\/td>\n20-30<\/span><\/td>\n<\/tr>\n
500<\/span><\/td>\n20<\/span><\/td>\n360<\/span><\/td>\n1127<\/span><\/td>\n377<\/span><\/td>\n316<\/span><\/td>\n346<\/span><\/td>\n535<\/span><\/td>\n586<\/span><\/td>\n645<\/span><\/td>\n600<\/span><\/td>\n568<\/span><\/td>\n20-22<\/span><\/td>\n670<\/span><\/td>\n620<\/span><\/td>\n582<\/span><\/td>\n20-26<\/span><\/td>\n715<\/span><\/td>\n650<\/span><\/td>\n609<\/span><\/td>\n20-33<\/span><\/td>\n<\/tr>\n
600<\/span><\/td>\n24<\/span><\/td>\n445<\/span><\/td>\n1377<\/span><\/td>\n446<\/span><\/td>\n388<\/span><\/td>\n417<\/span><\/td>\n570<\/span><\/td>\n660<\/span><\/td>\n755<\/span><\/td>\n705<\/span><\/td>\n667<\/span><\/td>\n20-26<\/span><\/td>\n780<\/span><\/td>\n725<\/span><\/td>\n682<\/span><\/td>\n20-30<\/span><\/td>\n840<\/span><\/td>\n770<\/span><\/td>\n720<\/span><\/td>\n20-36<\/span><\/td>\n<\/tr>\n
700<\/span><\/td>\n28<\/span><\/td>\n505<\/span><\/td>\n1496<\/span><\/td>\n445<\/span><\/td>\n395<\/span><\/td>\n425<\/span><\/td>\n750<\/span><\/td>\n550<\/span><\/td>\n860<\/span><\/td>\n810<\/span><\/td>\n772<\/span><\/td>\n24-26<\/span><\/td>\n895<\/span><\/td>\n840<\/span><\/td>\n794<\/span><\/td>\n24-30<\/span><\/td>\n910<\/span><\/td>\n840<\/span><\/td>\n794<\/span><\/td>\n24-36<\/span><\/td>\n<\/tr>\n
800<\/span><\/td>\n32<\/span><\/td>\n560<\/span><\/td>\n1584<\/span><\/td>\n479<\/span><\/td>\n425<\/span><\/td>\n455<\/span><\/td>\n750<\/span><\/td>\n550<\/span><\/td>\n975<\/span><\/td>\n920<\/span><\/td>\n878<\/span><\/td>\n24-30<\/span><\/td>\n1015<\/span><\/td>\n950<\/span><\/td>\n901<\/span><\/td>\n24-33<\/span><\/td>\n1025<\/span><\/td>\n950<\/span><\/td>\n901<\/span><\/td>\n24-39<\/span><\/td>\n<\/tr>\n
900<\/span><\/td>\n36<\/span><\/td>\n630<\/span><\/td>\n1676<\/span><\/td>\n515<\/span><\/td>\n455<\/span><\/td>\n485<\/span><\/td>\n750<\/span><\/td>\n550<\/span><\/td>\n1075<\/span><\/td>\n1020<\/span><\/td>\n978<\/span><\/td>\n24-30<\/span><\/td>\n1115<\/span><\/td>\n1050<\/span><\/td>\n1001<\/span><\/td>\n28-33<\/span><\/td>\n1125<\/span><\/td>\n1050<\/span><\/td>\n1001<\/span><\/td>\n28-39<\/span><\/td>\n<\/tr>\n
1000<\/span><\/td>\n40<\/span><\/td>\n680<\/span><\/td>\n1760<\/span><\/td>\n525<\/span><\/td>\n465<\/span><\/td>\n495<\/span><\/td>\n900<\/span><\/td>\n750<\/span><\/td>\n1175<\/span><\/td>\n1120<\/span><\/td>\n1078<\/span><\/td>\n28-30<\/span><\/td>\n1230<\/span><\/td>\n1160<\/span><\/td>\n1112<\/span><\/td>\n28-36<\/span><\/td>\n1255<\/span><\/td>\n1170<\/span><\/td>\n1112<\/span><\/td>\n28-42<\/span><\/td>\n<\/tr>\n
1200<\/span><\/td>\n48<\/span><\/td>\n795<\/span><\/td>\n2018<\/span><\/td>\n574<\/span><\/td>\n512<\/span><\/td>\n542<\/span><\/td>\n1000<\/span><\/td>\n925<\/span><\/td>\n1405<\/span><\/td>\n1340<\/span><\/td>\n1295<\/span><\/td>\n32-33<\/span><\/td>\n1455<\/span><\/td>\n1380<\/span><\/td>\n1328<\/span><\/td>\n32-39<\/span><\/td>\n1485<\/span><\/td>\n1390<\/span><\/td>\n1328<\/span><\/td>\n32-48<\/span><\/td>\n<\/tr>\n
1400<\/span><\/td>\n56<\/span><\/td>\n900<\/span><\/td>\n2363<\/span><\/td>\n599<\/span><\/td>\n547<\/span><\/td>\n572<\/span><\/td>\n1000<\/span><\/td>\n925<\/span><\/td>\n1630<\/span><\/td>\n1560<\/span><\/td>\n1510<\/span><\/td>\n36-36<\/span><\/td>\n1675<\/span><\/td>\n1530<\/span><\/td>\n1530<\/span><\/td>\n36-42<\/span><\/td>\n1685<\/span><\/td>\n1590<\/span><\/td>\n1530<\/span><\/td>\n36-48<\/span><\/td>\n<\/tr>\n
1600<\/span><\/td>\n64<\/span><\/td>\n1100<\/span><\/td>\n2723<\/span><\/td>\n640<\/span><\/td>\n589<\/span><\/td>\n615<\/span><\/td>\n1000<\/span><\/td>\n925<\/span><\/td>\n1830<\/span><\/td>\n1760<\/span><\/td>\n1710<\/span><\/td>\n40-36<\/span><\/td>\n1915<\/span><\/td>\n1820<\/span><\/td>\n1750<\/span><\/td>\n40-48<\/span><\/td>\n1930<\/span><\/td>\n1820<\/span><\/td>\n1750<\/span><\/td>\n40-56<\/span><\/td>\n<\/tr>\n
1800<\/span><\/td>\n72<\/span><\/td>\n1124<\/span><\/td>\n2844<\/span><\/td>\n725<\/span><\/td>\n670<\/span><\/td>\n695<\/span><\/td>\n1100<\/span><\/td>\n980<\/span><\/td>\n2045<\/span><\/td>\n1970<\/span><\/td>\n1718<\/span><\/td>\n44-39<\/span><\/td>\n2115<\/span><\/td>\n2020<\/span><\/td>\n1950<\/span><\/td>\n44-48<\/span><\/td>\n2130<\/span><\/td>\n2020<\/span><\/td>\n1950<\/span><\/td>\n44-56<\/span><\/td>\n<\/tr>\n
2000<\/span><\/td>\n80<\/span><\/td>\n1292<\/span><\/td>\n3127<\/span><\/td>\n764<\/span><\/td>\n680<\/span><\/td>\n722<\/span><\/td>\n1100<\/span><\/td>\n980<\/span><\/td>\n2265<\/span><\/td>\n2180<\/span><\/td>\n2125<\/span><\/td>\n48-42<\/span><\/td>\n2325<\/span><\/td>\n2230<\/span><\/td>\n2150<\/span><\/td>\n48-48<\/span><\/td>\n2345<\/span><\/td>\n2230<\/span><\/td>\n2150<\/span><\/td>\n48-62<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

Das Teleskop-Absperrventil SD343H mit Schneckengetriebe ist eine Komponente zur Steuerung des Ein- und Ausschaltens sowie des Durchflussregelung in Rohrleitungssystemen. Es wird h\u00e4ufig in der Erd\u00f6l-, Chemie-, Metallurgie-, Wasserkraft- und vielen anderen Bereichen eingesetzt. Die Absperrklappe des Teleskop-Absperrventils ist in der Durchmesserrichtung der Rohrleitung installiert. Im zylindrischen Kanal des Absperrventilgeh\u00e4uses dreht sich die scheibenf\u00f6rmige Absperrklappe um die Achse, wobei der Drehwinkel zwischen 0\u00b0 und 90\u00b0 liegt. Wenn die Drehung 90\u00b0 erreicht, ist das Ventil vollst\u00e4ndig ge\u00f6ffnet. 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