{"id":1405,"date":"2015-02-23T18:41:11","date_gmt":"2015-02-23T23:41:11","guid":{"rendered":"https:\/\/www.mdaturbines.com\/?p=1405"},"modified":"2021-03-04T11:21:14","modified_gmt":"2021-03-04T16:21:14","slug":"hydraulic-actuator","status":"publish","type":"post","link":"https:\/\/www.mdaturbines.com\/resources\/hydraulic-actuator\/","title":{"rendered":"Rexroth<\/strong><\/em> Hydraulic Actuator"},"content":{"rendered":"

MD&A Bearings, Seals & Hydraulics Division (MD&A) recently rebuilt a Rexroth\u00ae hydraulic actuator in less than 5 days which included providing new disc springs, servo, poppet valve and shaft. This level of service saved the owner weeks of forced outage downtime and revenue loss.<\/p>\n

During operation the owner observed erratic valve response and hydraulic fluid weeping from a telltale drain. The disassembly discovery revealed fractured disc springs and embrittled seals in the packing head and cylinder. The servo and poppet valves were damaged due to fluid contamination.<\/p>\n

\"Rexroth\u00ae<\/a><\/p>\n

Shaft scoring and spring housing gaulling was also observed as a result of the above mentioned discovery.<\/p>\n

\"Rexroth\u00ae<\/a><\/p>\n

Upon reassemble with new components, the Rexroth\u00ae actuator was functionally tested in a test stand at the MD&A shop using the exact same brand of EH fluid that is used at the owners\u2019 site. MD&A provided shipping stands and containers for secure inbound \/ outbound transit.<\/p>\n

SUMMARY<\/strong><\/p>\n

MD&A is committed to supporting combined cycle plant owners’ Rexroth\u00ae hydraulic actuators needs.<\/p>\n

MD&A understands the urgency of downtime and will conduct a proactive survey of your hydraulic actuators to assure they have the parts on hand to support a quick turnaround.<\/p>\n

\"Rexroth\u00ae<\/a><\/p>\n

To schedule a survey of your Rexroth\u00ae Hydraulic Actuators, call MD&A at (800) 446-4776.<\/strong><\/p>\n

Learn more about the other Gas Turbine Services that MD&A offers<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

MD&A Bearings, Seals & Hydraulics Division (MD&A) recently rebuilt a Rexroth\u00ae hydraulic actuator in less than 5 days which included providing new disc springs, servo,…<\/p>\n","protected":false},"author":2,"featured_media":504,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[211],"tags":[102,97],"class_list":["post-1405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-parts","tag-actuator-rebuild","tag-rexroth-actuator"],"acf":[],"yoast_head":"\nRexroth Hydraulic Actuator – MDA Turbines<\/title>\n<meta name=\"description\" content=\"RPM repairs hydraulic actuators. 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