{"id":6393,"date":"2023-08-31T19:23:28","date_gmt":"2023-08-31T11:23:28","guid":{"rendered":"https:\/\/www.dcl-controls.com\/?p=6393"},"modified":"2025-03-31T07:02:40","modified_gmt":"2025-03-31T07:02:40","slug":"en15714-2-actuator-duty-classification","status":"publish","type":"post","link":"https:\/\/dclcontrols.com\/de_de\/unterstutzung\/ts-stellantrieb\/en15714-2-einsatzklasse-des-stellantriebs","title":{"rendered":"EN15714-2 Klassifizierung von elektrischen Stellantrieben (Pflicht)"},"content":{"rendered":"
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Control Duty Classifications:<\/strong><\/h2>

  • Class A: ON-OFF Type (On\/Off)<\/strong><\/h4><\/li><\/ul>

      • Function<\/strong>: The actuator is required to drive the valve through its entire stroke from fully open to fully closed (and vice versa).<\/p><\/li>

      • Typical Use<\/strong>: Applications where valves are either fully open or fully closed.<\/p><\/li><\/ul><\/li>

      • Class B: Fine-Tuning\/Positioning Adjustment Type<\/strong><\/h4>

        • Function<\/strong>: The actuator occasionally moves the valve to any position (fully open, intermediate, or fully closed).<\/span><\/p><\/li>

        • Typical Use<\/strong>: Applications requiring occasional adjustment but not continuous movement.<\/span><\/p><\/li><\/ul><\/li>

        • Class C: Modulating Type<\/strong><\/h4>

          • Function<\/strong>: The actuator frequently moves the valve between fully open and fully closed positions.<\/p><\/li>

          • Typical Use<\/strong>: Applications that require continuous and frequent modulation of valve position.<\/p><\/li><\/ul><\/li>

          • Class D: Continuous Modulating Type<\/strong><\/h4>

            • Function<\/strong>: The actuator continuously moves the valve to any position between fully open and fully closed.<\/p><\/li>

            • Typical Use<\/strong>: Applications with continuous or very frequent adjustments.<\/p><\/li><\/ul><\/li><\/ul>

              Actuator Life Cycle Requirements:<\/strong><\/h2>

              The actuator’s design must comply with the specified operational life standards. For modulating and continuous modulating actuators, their durability is based on continuous starts within 30% of their stroke.<\/p>

              Life Testing for Part-turn Actuators:<\/strong><\/h4>
              Rated Torque Range (Nm)<\/th>Class A\/B (ON-OFF)<\/th>Class C (Modulating)<\/th>Class D (Continuous Modulating)<\/th><\/tr><\/thead>
              <= 125<\/td>10,000 cycles<\/td>1,800,000 cycles<\/td>10,000,000 cycles<\/td><\/tr>
              126-1000<\/td>10,000 cycles<\/td>1,200,000 cycles<\/td>10,000,000 cycles<\/td><\/tr>
              1001-4000<\/td>5,000 cycles<\/td>500,000 cycles<\/td>5,000,000 cycles<\/td><\/tr>
              4001-32000<\/td>5,000 cycles<\/td>250,000 cycles<\/td>To be agreed<\/td><\/tr>
              > 32000<\/td>1,000 cycles<\/td>To be agreed<\/td>To be agreed<\/td><\/tr><\/tbody><\/table>

              • Operating Cycles<\/strong>: A cycle includes two directions of 90\u00b0 stroke (open 90\u00b0 + close 90\u00b0), based on at least 30% rated torque average load, with at least 5% of rated torque at each end of the stroke.<\/p><\/li>

              • Start-up Cycles<\/strong>: One start-up involves moving the actuator at least 1% of its stroke with at least 30% rated torque.<\/p><\/li><\/ul>

                Life Testing for Multi-Turn Actuators:<\/strong><\/h4>
                Rated Torque Range (Nm)<\/th>Max Thrust (kN)<\/th>Class A\/B (ON-OFF)<\/th>Class C (Modulating)<\/th>Class D (Continuous Modulating)<\/th><\/tr><\/thead>
                <= 100<\/td><= 40<\/td>10,000 cycles<\/td>1,800,000 cycles<\/td>10,000,000 cycles<\/td><\/tr>
                101-700<\/td><= 150<\/td>10,000 cycles<\/td>1,200,000 cycles<\/td>10,000,000 cycles<\/td><\/tr>
                701-2500<\/td><= 325<\/td>5,000 cycles<\/td>500,000 cycles<\/td>5,000,000 cycles<\/td><\/tr>
                2501-10000<\/td><= 1100<\/td>5,000 cycles<\/td>250,000 cycles<\/td>To be agreed<\/td><\/tr>
                > 10000<\/td>> 1100<\/td>1,000 cycles<\/td>To be agreed<\/td>To be agreed<\/td><\/tr><\/tbody><\/table>

                Life Testing for Linear Actuators:<\/strong><\/h4>
                Rated Thrust Range (kN)<\/th>Class A\/B (ON-OFF)<\/th>Class C (Modulating)<\/th>Class D (Continuous Modulating)<\/th><\/tr><\/thead>
                <= 20<\/td>10,000 cycles<\/td>1,800,000 cycles<\/td>10,000,000 cycles<\/td><\/tr>
                21-70<\/td>10,000 cycles<\/td>1,200,000 cycles<\/td>10,000,000 cycles<\/td><\/tr>
                71-150<\/td>5,000 cycles<\/td>500,000 cycles<\/td>5,000,000 cycles<\/td><\/tr>
                151-325<\/td>2,500 cycles<\/td>250,000 cycles<\/td>To be agreed<\/td><\/tr>
                > 325<\/td>1,000 cycles<\/td>To be agreed<\/td>To be agreed<\/td><\/tr><\/tbody><\/table>

                Adjustment Frequency Requirements (Per Hour):<\/strong><\/h2>

                Part-Turn Actuators:<\/strong><\/h4>
                Rated Torque Range (Nm)<\/th>Class A (ON-OFF)<\/th>Class B (ON-OFF)<\/th>Class C (Modulating)<\/th>Class D (Continuous Modulating)<\/th><\/tr><\/thead>
                <= 125<\/td>15 cycles\/hr<\/td>120 starts\/hr<\/td>1,200 starts\/hr<\/td>3,600 starts\/hr<\/td><\/tr>
                126-1000<\/td>10 cycles\/hr<\/td>60 starts\/hr<\/td>600 starts\/hr<\/td>1,800 starts\/hr<\/td><\/tr>
                1001-4000<\/td>5 cycles\/hr<\/td>30 starts\/hr<\/td>300 starts\/hr<\/td>600 starts\/hr<\/td><\/tr>
                4001-32000<\/td>5 cycles\/hr<\/td>15 starts\/hr<\/td>60 starts\/hr<\/td>N.A.<\/td><\/tr>
                > 32000<\/td>5 cycles\/hr<\/td>5 starts\/hr<\/td>30 starts\/hr<\/td>N.A.<\/td><\/tr><\/tbody><\/table>

                Multi-Turn Actuators:<\/strong><\/h4>
                Rated Torque Range (Nm)<\/th>Class A (ON-OFF)<\/th>Class B (ON-OFF)<\/th>Class C (Modulating)<\/th>Class D (Continuous Modulating)<\/th><\/tr><\/thead>
                <= 100<\/td>15 minutes\/hr<\/td>30 starts\/hr<\/td>1,200 starts\/hr<\/td>3,600 starts\/hr<\/td><\/tr>
                101-700<\/td>15 minutes\/hr<\/td>20 starts\/hr<\/td>600 starts\/hr<\/td>1,800 starts\/hr<\/td><\/tr>
                701-2500<\/td>15 minutes\/hr<\/td>15 starts\/hr<\/td>300 starts\/hr<\/td>600 starts\/hr<\/td><\/tr>
                2501-10000<\/td>15 minutes\/hr<\/td>10 starts\/hr<\/td>60 starts\/hr<\/td>N.A.<\/td><\/tr>
                > 10000<\/td>15 minutes\/hr<\/td>5 starts\/hr<\/td>30 starts\/hr<\/td>N.A.<\/td><\/tr><\/tbody><\/table>

                Linear Actuators:<\/strong><\/h4>
                Rated Thrust Range (kN)<\/th>Class A (ON-OFF)<\/th>Class B (ON-OFF)<\/th>Class C (Modulating)<\/th>Class D (Continuous Modulating)<\/th><\/tr><\/thead>
                <= 20<\/td>15 cycles\/hr<\/td>30 starts\/hr<\/td>1,200 starts\/hr<\/td>3,600 starts\/hr<\/td><\/tr>
                21-70<\/td>10 cycles\/hr<\/td>15 starts\/hr<\/td>600 starts\/hr<\/td>1,800 starts\/hr<\/td><\/tr>
                > 70<\/td>5 cycles\/hr<\/td>5 starts\/hr<\/td>30 starts\/hr<\/td>TBA<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                Relevant Standards:<\/p>

                EN15714-1<\/em><\/p>

                EN 12570\uff0cIndustriearmaturen - Verfahren zur Bestimmung der Arbeitsk\u00f6rpergr\u00f6\u00dfe<\/em>
                DE 60529\uff0c\u5916\u58f3\u9632\u62a4\u7b49\u7ea7\uff08IP\u4ee3\u7801\uff09\uff08IEC 60529:1989\uff09<\/em>
                DE ISO 5210:1996\uff0c\u5de5\u4e1a\u9600\u95e8--\u591a\u56de\u8f6c\u9600\u95e8\u6267\u884c\u673a\u6784\u9644\u4ef6\uff081SO 5210:1991\uff09<\/em>
                DE ISO 5211\uff0c\u5de5\u4e1a\u9600\u95e8-\u90e8\u5206\u56de\u8f6c\u9600\u95e8\u6267\u884c\u673a\u6784\u9644\u4ef6\uff08ISO 5211-2001\uff09<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

                Einstufung des Steuerbetriebs: Klasse A: EIN-AUS-Typ (Auf\/Zu) Funktion: Der Stellantrieb muss das Ventil \u00fcber seinen gesamten Hub von vollst\u00e4ndig ge\u00f6ffnet bis vollst\u00e4ndig geschlossen (und umgekehrt) steuern. Typische Anwendung: Anwendungen, bei denen Ventile entweder vollst\u00e4ndig ge\u00f6ffnet oder vollst\u00e4ndig geschlossen sind. Klasse B: Feineinstellung\/Positionsanpassung Funktion: Der Stellantrieb bewegt das Ventil gelegentlich auf [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[53,66,57,52,55,65],"class_list":["post-6393","post","type-post","status-publish","format-standard","hentry","category-ts-actuator","tag-actuator","tag-explosion-proof-actuator","tag-general-actuator","tag-fast-move-actuator","tag-tech-ref","tag-very-small-actuator-tag"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/posts\/6393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/comments?post=6393"}],"version-history":[{"count":0,"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/posts\/6393\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/media?parent=6393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/categories?post=6393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclcontrols.com\/de_de\/wp-json\/wp\/v2\/tags?post=6393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}