{"id":11263,"date":"2025-11-13T14:15:54","date_gmt":"2025-11-13T13:15:54","guid":{"rendered":"https:\/\/www.sutorglobal.com\/reference\/preventive-overhaul-of-compressor-p131r-ckd-4-dsk-355-b\/"},"modified":"2025-11-13T14:15:55","modified_gmt":"2025-11-13T13:15:55","slug":"preventive-overhaul-of-compressor-p131r-ckd-4-dsk-355-b","status":"publish","type":"reference","link":"https:\/\/www.sutorglobal.com\/en\/reference\/preventive-overhaul-of-compressor-p131r-ckd-4-dsk-355-b\/","title":{"rendered":"PREVENTIVE OVERHAUL OF COMPRESSOR P131R \u2013 \u010cKD 4 DSK 355 B"},"content":{"rendered":"\n<p><strong>SUTOR Global s.r.o.<\/strong> performed a&nbsp;<strong>preventive overhaul of piston compressor P131R \u2013 \u010cKD 4 DSK 355 B (manufactured in 1969)<\/strong> within the scope of <strong>&#8220;intermediate repair&#8221;<\/strong> for the <strong>Air Products s.r.o. \u2013 Litv\u00ednov<\/strong> plant.<br\/>The objective of the repair was to perform a&nbsp;complete <strong>overhaul and replacement of worn compressor components<\/strong> to ensure its continued reliable operation in the air compression system.<\/p>\n\n<p>The overhaul was performed during <strong>June\u2013August 2025<\/strong> and included complete service intervention including disassembly, measurement, repairs, and testing.<\/p>\n\n<p>Main work performed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Disassembly of cylinders, piston rods, connecting rods, and crossheads<\/strong>, including inspection of their technical condition<\/li>\n\n\n\n<li><strong>Clearance inspection on the crankshaft<\/strong> and random inspection of main bearings<\/li>\n\n\n\n<li><strong>Replacement of piston rod seals, piston rings, and working valves<\/strong><\/li>\n\n\n\n<li><strong>Disassembly, overhaul, and pressure testing of the engine oil cooler<\/strong><\/li>\n\n\n\n<li><strong>Measurement and inspection of individual components<\/strong> after disassembly, <strong>wear assessment<\/strong> and repair recommendations<\/li>\n\n\n\n<li><strong>Reassembly, alignment adjustment, and commissioning for test operation<\/strong><\/li>\n<\/ul>\n\n<p>During disassembly, <strong>defects were identified in the connecting rod bearings, connecting rods, and main crankshaft bearings<\/strong>, which led to <strong>expansion of the repair scope<\/strong> to include complete disassembly of the crank mechanism.<br\/>Following agreement with the customer, new replacement parts were supplied, which underwent <strong>inspection, measurement, and fitting<\/strong> to required clearances. The expanded repair also included <strong>honing of cylinder liners in two cylinders<\/strong>. <\/p>\n\n<p><strong>Equipment Technical Data<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Compressor type:<\/strong> \u010cKD 4 DSK 355 B<\/li>\n\n\n\n<li><strong>Year of manufacture:<\/strong> 1969<\/li>\n\n\n\n<li><strong>Design:<\/strong> two-stage, double-acting, four-cylinder piston compressor<\/li>\n\n\n\n<li><strong>Cylinder bore:<\/strong> \u00d8 355 mm (1st stage) \/ \u00d8 300 mm (2nd stage)<\/li>\n\n\n\n<li><strong>Capacity \/ output:<\/strong> 11,000 m\u00b3\/h<\/li>\n\n\n\n<li><strong>Medium:<\/strong> air<\/li>\n<\/ul>\n\n<p><strong>Project Information<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Project investor:<\/strong> Air Products s.r.o.<\/li>\n\n\n\n<li><strong>Client:<\/strong> Air Products s.r.o. \u2013 Litv\u00ednov<\/li>\n\n\n\n<li><strong>Equipment manufacturer:<\/strong> \u010cKD Kompresory<\/li>\n\n\n\n<li><strong>Project implementation:<\/strong> SUTOR Global s.r.o.<\/li>\n\n\n\n<li><strong>Implementation period:<\/strong> June\u2013August 2025<\/li>\n\n\n\n<li><strong>Process:<\/strong> Backup compressor in air compression system<\/li>\n<\/ul>\n\n<p>Thanks to <strong>precise planning, professional approach, and close cooperation with the customer<\/strong>, the preventive overhaul was completed within the required timeframe and quality.<br\/>The project confirmed the ability of <strong>SUTOR Global<\/strong> to perform <strong>comprehensive repairs and overhauls of historical \u010cKD compressors<\/strong>, including adaptation of technological procedures to the specific technical condition of the equipment.<\/p>\n","protected":false},"featured_media":11269,"template":"","kategorie-referenci":[78],"class_list":["post-11263","reference","type-reference","status-publish","has-post-thumbnail","hentry","kategorie-referenci-chemical-industry"],"_links":{"self":[{"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/reference\/11263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/reference"}],"about":[{"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/types\/reference"}],"version-history":[{"count":0,"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/reference\/11263\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/media\/11269"}],"wp:attachment":[{"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/media?parent=11263"}],"wp:term":[{"taxonomy":"kategorie-referenci","embeddable":true,"href":"https:\/\/www.sutorglobal.com\/en\/wp-json\/wp\/v2\/kategorie-referenci?post=11263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}