{"id":5821,"date":"2015-11-10T03:54:39","date_gmt":"2015-11-10T10:54:39","guid":{"rendered":"http:\/\/www.apexequipmentltd.com\/?page_id=5821"},"modified":"2025-04-22T21:09:11","modified_gmt":"2025-04-23T03:09:11","slug":"steam-driven-pumps","status":"publish","type":"page","link":"https:\/\/www.apexequipmentltd.com\/?page_id=5821","title":{"rendered":"Steam Driven Pumps"},"content":{"rendered":"<div class=\"row\">\n<aside class=\"col-sm-7\"><strong>The Series<\/strong><\/p>\n<p align=\"justify\">Since the beginning of the last century, Peroni has been designing and manufacturing steam driven pumps used for boiler feed service, low NPSHA pump-out service and for other process applications in Petrochemical Plants and in Refineries. All Peroni steam driven pumps are reciprocating, horizontal duplex, double-acting pumps where the power is directly transmitted to the liquid end by the action of the motive fluid on the piston. The motive fluid is normally steam, but can also be air or gas.<\/p>\n<p align=\"justify\">The series is constituted by three models: two horizontal duplex, double-acting piston reciprocating pumps for low pressure, one covering the range of low capacity, the other for high capacities.<\/p>\n<p align=\"justify\">The third model is a horizontal duplex, double-acting reciprocating plunger pump with opposite plungers for high pressure.<\/p>\n<p><strong>Steam End<\/strong><\/p>\n<p align=\"justify\">The steam end is substantially an integral two cylinders reciprocating steam engine.<\/p>\n<p align=\"justify\">Each cylinder houses a steam piston which is connected to a slide valve by a rod and levers. The inlet and the outlet of the steam end are controlled by the slide valve. The steam enters at one side of the steam cylinder through the slide valve and pushes the piston towards the opposite side.<\/p>\n<p align=\"justify\">As the piston reaches the end of the stroke, the slide valve reverses the steam flow, which reverses the piston movement. The speed and consequently the number of cycles are strictly proportional to the amount and to the pressure of steam admitted. This speed is regulated by controlling the steam inlet valve.<\/p>\n<p align=\"justify\">The steam piston is sturdily connected with the hydraulic piston or plunger that acts on the fluid in the liquid end.<\/p>\n<p><strong>Liquid End<\/strong><\/p>\n<p align=\"justify\">Steam driven pumps use as displacer either a piston that is sealed to the hydraulic cylinder by piston rings, or in case of high discharge pressures, a plunger with packing.<\/p>\n<p align=\"justify\">Double-acting means that during pump operation, the fluid at one end of the piston is in the suction phase while the other end of the piston is in the discharge phase.<\/p>\n<p align=\"justify\">Therefore, a double &#8211; acting pump makes two suction and two discharge strokes for each complete reciprocating cycle and has two suction and two discharge valves.<\/p>\n<p align=\"justify\">The valves installed on the liquid end are either wing type for clean fluids with low viscosity, or ball valves for fluids having high viscosity and\/or containing solids. The piston rod packing prevents liquid from leaking out of the hydraulic cylinder.<\/p>\n<p align=\"justify\">All models can be supplied with a stuffing box cooling jacket on the hydraulic side.<\/p>\n<p><strong>Operating Features<\/strong><\/p>\n<p align=\"justify\">The direct-acting steam pumps are very flexible machines. They can operate at any point of pressure and flow within the range of characteristics of the particular pump design.<\/p>\n<p align=\"justify\">The speed of the pump, and therefore the capacity of the pump, can be controlled from zero to maximum by a manually or automatically operated throttling valve on the steam supply.<\/p>\n<p align=\"justify\">The maximum speed is mainly limited by the frequency with which the valves will open and close smoothly.<\/p>\n<p align=\"justify\">The pump can operate against any system counter pressure, from zero to its maximum allowable working pressure.<\/p>\n<p align=\"justify\">In a specific application, however, the hydraulic end maximum pressure may be limited by the available steam pressure and by the ratio of the steam piston and liquid piston areas.<\/p>\n<p align=\"justify\">A common characteristic of both Vesuvio and Vulcano steam driven pumps is the very low value of the NPSHr.<\/p>\n<p align=\"justify\">In fact, the liquid end of these pumps is designed to maximize all the passages of the fluid flow, specifically in the valves area. Additionally, the pumps are always selected to operate at a very low speed.<\/p>\n<p align=\"justify\">For this reason, one of the main applications of the steam driven pumps is the pump-out service in the Refineries, where the NPSH available is often low and the fluids handled are miscellaneous hydrocarbons often with high viscosity and high temperature.<\/p>\n<p><strong>Performances<\/strong><\/p>\n<p align=\"justify\">The range of Peroni Steam Driven Pumps includes three Series of pumps designed and manufactured according to API 674 Standard.<\/p>\n<\/aside>\n<aside class=\"col-sm-1\"><\/aside>\n<aside class=\"col-sm-4\">\n<table>\n<tbody>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/www.apexequipmentltd.com\/wp-content\/uploads\/2015\/11\/Vesuvio-42-series.png\" alt=\"Vesuvio 42.00 Series: Piston pump\"><\/td>\n<td><strong>Vesuvio 42.00 Series:<\/strong> Piston pump<br \/>\n<strong>Delivery Pressure:<\/strong> up to 21 bar (305 psi)<br \/>\n<strong>Capacity: <\/strong>up to 41 m3\/h (182 GPM)<br \/>\n<strong>Steam pressure: <\/strong>18 bar (261 psi)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/www.apexequipmentltd.com\/wp-content\/uploads\/2015\/11\/Vesuvio-46-Series.png\" alt=\"Vesuvio 46.00 Series: Piston pump\"><\/td>\n<td><strong>Vesuvio 46.00 Series: <\/strong>Piston pump<br \/>\n<strong>Delivery Pressure:<\/strong> up to 45 bar (650 psi)<br \/>\n<strong>Capacity:<\/strong> up to 293 m3\/h (1290 GPM)<br \/>\n<strong>Steam pressure:<\/strong> 16 bar (230 psi)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/www.apexequipmentltd.com\/wp-content\/uploads\/2015\/11\/Vulcano-47-Series.png\" alt=\"Vulcano 47.00 Series: Opposite\"><\/td>\n<td><strong>Vulcano 47.00 Series:<\/strong> Opposite plungers pump<br \/>\n<strong>Delivery Pressure:<\/strong> up to 130 bar (1885 psi)<br \/>\n<strong>Capacity:<\/strong> up to 39 m3\/h (174 GPM)<br \/>\n<strong>Steam pressure:<\/strong> 16 bar (230 psi)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>Request More Information<\/h3>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f1547-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"1547\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fpages%2F5821#wpcf7-f1547-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"1547\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f1547-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" 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);<\/script><\/p>\n<\/form>\n<\/div>\n\n<\/aside>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Series Since the beginning of the last century, Peroni has been designing and manufacturing steam driven pumps used for boiler feed service, low NPSHA pump-out service and for other process applications in Petrochemical Plants and in Refineries. All Peroni steam driven pumps are reciprocating, horizontal duplex, double-acting pumps where the power is directly transmitted [&hellip;]<\/p>\n","protected":false},"author":1104,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-5821","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Steam Driven Pumps in Western Canada | APEX Equipment Ltd.<\/title>\n<meta name=\"description\" content=\"Explore Peroni\u2019s API 674 steam-driven pumps, ideal for low NPSH pump-out, boiler feed &amp; high-temp process use. 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