{"id":1796851,"date":"2025-08-18T14:18:02","date_gmt":"2025-08-18T13:18:02","guid":{"rendered":"https:\/\/www.ace-engineering.nl\/understanding-parker-sporlan-pressure-regulating-valves\/"},"modified":"2025-08-19T15:12:01","modified_gmt":"2025-08-19T14:12:01","slug":"understanding-parker-sporlan-pressure-regulating-valves","status":"publish","type":"post","link":"https:\/\/www.ace-engineering.nl\/en\/understanding-parker-sporlan-pressure-regulating-valves\/","title":{"rendered":"Understanding Parker Sporlan pressure regulating valves"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1t5mzmtg-3f715b657840b20aca72dd94e27c235f\">\n.avia-image-container.av-1t5mzmtg-3f715b657840b20aca72dd94e27c235f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-1t5mzmtg-3f715b657840b20aca72dd94e27c235f .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-1t5mzmtg-3f715b657840b20aca72dd94e27c235f av-styling- avia-align-center  avia-builder-el-0  el_before_av_font_icon  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1796808 avia-img-lazy-loading-not-1796808 avia_image ' src=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves.jpg\" alt='Parker Sporlan Pressure Regulating Valves' title='Parker Sporlan Pressure Regulating Valves'  height=\"800\" width=\"990\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves.jpg 990w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-300x242.jpg 300w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-768x621.jpg 768w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-495x400.jpg 495w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-845x684.jpg 845w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-705x570.jpg 705w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-450x364.jpg 450w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Parker-Sporlan-Pressure-Regulating-Valves-600x485.jpg 600w\" sizes=\"(max-width: 990px) 100vw, 990px\" \/><\/div><\/div><\/div>\n<p>Pressure regulating valves (PRVs) are fundamental components in modern refrigeration and air conditioning systems. They ensure that evaporators operate at stable pressures, protect compressors, and help maintain consistent product temperatures. Parker Sporlan has long been recognized as a leader in this space, offering a wide range of PRV solutions tailored for both commercial and industrial applications.<\/p>\n<h2>Bellows (Diaphragm) PRV<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1796820 alignright\" src=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series.jpg\" alt=\"Pressure Regulating Valve - Head Pressure Control - Sporlan - LAC Series\" width=\"353\" height=\"353\" srcset=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series.jpg 1000w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-300x300.jpg 300w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-80x80.jpg 80w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-768x768.jpg 768w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-36x36.jpg 36w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-180x180.jpg 180w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-705x705.jpg 705w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-120x120.jpg 120w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-450x450.jpg 450w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-600x600.jpg 600w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Head-Pressure-Control-Sporlan-LAC-Series-100x100.jpg 100w\" sizes=\"auto, (max-width: 353px) 100vw, 353px\" \/><\/h2>\n<p>Bellows or diaphragm-type PRVs are among the most straightforward regulating valves. They use a flexible diaphragm that responds directly to pressure changes inside the evaporator. When suction pressure falls below the setpoint, the valve opens; when pressure rises, it closes.<\/p>\n<h3>Key benefits:<\/h3>\n<ul>\n<li>Mechanical operation with no electronics required<\/li>\n<li>Rugged and dependable design with minimal maintenance needs<\/li>\n<li>Well-suited for smaller refrigeration circuits or applications where simplicity and cost-effectiveness matter most<\/li>\n<\/ul>\n<p>While they lack the fine control of pilot or electronic valves, bellows PRVs remain a dependable option for low-capacity equipment such as beverage coolers, ice machines, and single-evaporator systems.<\/p>\n<p><a href=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/90-30-Head-Pressure-Control-ORI-ORD-OROA-LAC.pdf\"><strong>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3jmc0m9w-9347ddca4142f166194daddcf0179b4f\">\n.av_font_icon.av-3jmc0m9w-9347ddca4142f166194daddcf0179b4f{\ncolor:#f6000f;\nborder-color:#f6000f;\n}\n.av_font_icon.av-3jmc0m9w-9347ddca4142f166194daddcf0179b4f .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-3jmc0m9w-9347ddca4142f166194daddcf0179b4f avia_animate_when_visible av-icon-style- avia-icon-pos-left'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8b0' data-av_iconfont='entypo-fontello' ><\/span><\/span> Download the Head Pressure Control Valves Bulletin<\/strong><\/a><\/p>\n<h2>SORIT Evaporator pressure regulators<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1796822 alignright\" src=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series.jpg\" alt=\"Pressure Regulating Valve - Evaporator Pressure Regulator - Parker Sporlan - (S)ORIT Series\" width=\"353\" height=\"353\" srcset=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series.jpg 1000w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-300x300.jpg 300w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-80x80.jpg 80w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-768x768.jpg 768w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-36x36.jpg 36w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-180x180.jpg 180w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-705x705.jpg 705w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-120x120.jpg 120w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-450x450.jpg 450w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-600x600.jpg 600w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Pressure-Regulating-Valve-Evaporator-Pressure-Regulator-Parker-Sporlan-SORIT-Series-100x100.jpg 100w\" sizes=\"auto, (max-width: 353px) 100vw, 353px\" \/><\/h2>\n<p>The <strong><span style=\"color: #333333;\">SORIT series<\/span><\/strong> is one of the Parker Sporlan solutions for evaporator pressure regulation. These valves are designed to maintain evaporator pressure above a predetermined minimum, which prevents coil freeze-up, ensures proper defrosting, and maintains consistent case or room temperatures.<\/p>\n<h3>Key benefits:<\/h3>\n<ul>\n<li><strong><span style=\"color: #333333;\">Low pressure drop design:<\/span><\/strong> Pilot-operated models require only ~0.5 psi differential, compared to ~2 psi for direct-acting valves.<\/li>\n<li><strong><span style=\"color: #333333;\">Multi-evaporator compatibility:<\/span><\/strong> Enables different evaporators, operating at different temperatures, to share a common suction line.<\/li>\n<li><strong><span style=\"color: #333333;\">Defrost integration: <\/span><\/strong>Available solenoid stop option keeps valves open during defrost, ensuring rapid temperature recovery.<\/li>\n<li><strong><span style=\"color: #333333;\">Service-friendly features: <\/span><\/strong>The SORIT-PI version includes manual opening stems and interchangeable seats, simplifying commissioning and service.<\/li>\n<\/ul>\n<p>Because of this versatility, SORIT valves are widely applied in supermarkets, walk-in freezers, and other facilities that require stable operation across multiple refrigeration loads.<\/p>\n<p><a href=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/90-20-UK-bd.pdf\"><strong>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-23v55txg-ac1935ace9080e637adbd3e45328a985\">\n.av_font_icon.av-23v55txg-ac1935ace9080e637adbd3e45328a985{\ncolor:#f6000f;\nborder-color:#f6000f;\n}\n.av_font_icon.av-23v55txg-ac1935ace9080e637adbd3e45328a985 .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-23v55txg-ac1935ace9080e637adbd3e45328a985 avia_animate_when_visible av-icon-style- avia-icon-pos-left'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8b0' data-av_iconfont='entypo-fontello' ><\/span><\/span> Download the Evaporator pressure regulators Bulletin<\/strong><\/a><\/p>\n<h2>CDS electric EPR: precision with digital control<img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1796831 alignright\" src=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves.jpg\" alt=\"Electric Pressure Regulating Valves\" width=\"367\" height=\"367\" srcset=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves.jpg 1000w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-300x300.jpg 300w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-80x80.jpg 80w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-768x768.jpg 768w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-36x36.jpg 36w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-180x180.jpg 180w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-705x705.jpg 705w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-120x120.jpg 120w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-450x450.jpg 450w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-600x600.jpg 600w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Electric-Pressure-Regulating-Valves-100x100.jpg 100w\" sizes=\"auto, (max-width: 367px) 100vw, 367px\" \/><\/h2>\n<p>The <strong><span style=\"color: #333333;\">CDS Series Electric EPRs<\/span><\/strong> use a stepper motor to modulate flow with thousands of incremental steps, allowing extremely precise pressure regulation.<\/p>\n<h3>Performance highlights:<\/h3>\n<ul>\n<li><strong><span style=\"color: #333333;\">Digital stepper motor actuation: <\/span><\/strong>2,500\u20136,386 steps of resolution provide precise flow modulation.<\/li>\n<li><strong><span style=\"color: #333333;\">Low power consumption:<\/span><\/strong> Draws only around 4 watts, making them energy efficient.<\/li>\n<li><strong><span style=\"color: #333333;\">Flexible application:<\/span><\/strong> Can function as an evaporator pressure regulator, head pressure control valve, or liquid-line controller.<\/li>\n<li><strong><span style=\"color: #333333;\">Serviceability:<\/span><\/strong> The motor and piston cartridge can be replaced without removing the valve body.<\/li>\n<li><strong><span style=\"color: #333333;\">Integration-ready:<\/span><\/strong> Compatible with advanced electronic controllers, supporting remote adjustment and data logging.<\/li>\n<\/ul>\n<p>For operations that require tight temperature tolerances, energy optimization, or integration with building management systems, electric EPRs are an ideal option.<\/p>\n<p><a href=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/100-40-CDS-Series-Electric-Pressure-Regulating-Valves.pdf\"><strong>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3jmc0m9w-1-48854a2f297fa96def6b07a3ff1cef1c\">\n.av_font_icon.av-3jmc0m9w-1-48854a2f297fa96def6b07a3ff1cef1c{\ncolor:#f6000f;\nborder-color:#f6000f;\n}\n.av_font_icon.av-3jmc0m9w-1-48854a2f297fa96def6b07a3ff1cef1c .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-3jmc0m9w-1-48854a2f297fa96def6b07a3ff1cef1c avia_animate_when_visible av-icon-style- avia-icon-pos-left'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8b0' data-av_iconfont='entypo-fontello' ><\/span><\/span> Download the Electric Pressure Regulating Valves Bulletin<\/strong><\/a><\/p>\n<h2 data-start=\"3781\" data-end=\"3827\">OLDR: Liquid Line Differential Regulator <img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1796834 alignright\" src=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves.jpg\" alt=\"Defrost Differential Pressure Regulating Valves\" width=\"388\" height=\"388\" srcset=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves.jpg 1000w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-300x300.jpg 300w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-80x80.jpg 80w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-768x768.jpg 768w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-36x36.jpg 36w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-180x180.jpg 180w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-705x705.jpg 705w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-120x120.jpg 120w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-450x450.jpg 450w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-600x600.jpg 600w, https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/Defrost-Differential-Pressure-Regulating-Valves-100x100.jpg 100w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/h2>\n<p data-start=\"3829\" data-end=\"4023\">The <strong><span style=\"color: #000000;\">OLDR (Oil\/Liquid Differential Regulator) <\/span><\/strong>is\u00a0a specialized Parker Sporlan valve that plays a critical role in defrost cycles and liquid management.<\/p>\n<p data-start=\"4025\" data-end=\"4268\">The OLDR maintains a controlled pressure difference between the receiver and the liquid header during defrost. It combines the function of a differential regulator and solenoid bypass in a single body, making it highly efficient and compact.<\/p>\n<h3 data-start=\"4270\" data-end=\"4289\"><strong data-start=\"4270\" data-end=\"4287\">Key features:<\/strong><\/h3>\n<ul>\n<li><strong><span style=\"color: #333333;\">Dual function: <\/span><\/strong>Acts as both a differential regulator and a solenoid bypass valve.<\/li>\n<li><strong><span style=\"color: #333333;\">Adjustable range:<\/span><\/strong> Factory set for a 5\u201350 psid differential.<\/li>\n<li><strong><span style=\"color: #333333;\">Normally open: <\/span><\/strong>When de-energized, the valve stays open; when energized, it maintains the set differential.<\/li>\n<li><strong><span style=\"color: #333333;\">Sizes available:<\/span><\/strong> OLDR-16 (1\u201d) and OLDR-20 (1-5\/16\u201d).<\/li>\n<li><strong><span style=\"color: #333333;\">Application-specific: <\/span><\/strong>Designed for defrost systems requiring reliable differential pressure control.<\/li>\n<\/ul>\n<p data-start=\"4735\" data-end=\"4874\">The OLDR is particularly valuable in larger refrigeration systems, ensuring stable defrost operation without needing multiple components.<\/p>\n<p data-start=\"4735\" data-end=\"4874\"><a href=\"https:\/\/www.ace-engineering.nl\/wp-content\/uploads\/2025\/08\/90-50_022013.pdf\"><strong>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3jmc0m9w-1-1-c4de66ab704755e92a4c5f86045aa071\">\n.av_font_icon.av-3jmc0m9w-1-1-c4de66ab704755e92a4c5f86045aa071{\ncolor:#f6000f;\nborder-color:#f6000f;\n}\n.av_font_icon.av-3jmc0m9w-1-1-c4de66ab704755e92a4c5f86045aa071 .av-icon-char{\nfont-size:20px;\nline-height:20px;\n}\n<\/style>\n<span  class='av_font_icon av-3jmc0m9w-1-1-c4de66ab704755e92a4c5f86045aa071 avia_animate_when_visible av-icon-style- avia-icon-pos-left'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8b0' data-av_iconfont='entypo-fontello' ><\/span><\/span> Download the Defrost Differential Pressure Regulating Valves\u00a0Bulletin<\/strong><\/a><\/p>\n<h2>General overview<\/h2>\n<table>\n<thead>\n<tr>\n<td>\n<p><strong><span style=\"color: #333333;\">Valve type<\/span><\/strong><\/p>\n<\/td>\n<td>\n<p><strong><span style=\"color: #333333;\">Operation method<\/span><\/strong><\/p>\n<\/td>\n<td>\n<p><strong><span style=\"color: #333333;\">Complexity<\/span><\/strong><\/p>\n<\/td>\n<td>\n<p><strong><span style=\"color: #333333;\">Typical use case<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\n<p>Bellows (Diaphragm) PRV<\/p>\n<\/td>\n<td>\n<p>Direct mechanical diaphragm<\/p>\n<\/td>\n<td>\n<p>Low<\/p>\n<\/td>\n<td>\n<p>Small coolers, simple systems<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>SORIT EPR<\/p>\n<\/td>\n<td>\n<p>Direct or pilot-operated<\/p>\n<\/td>\n<td>\n<p>Medium<\/p>\n<\/td>\n<td>\n<p>Multi-evaporator refrigeration<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>CDS Electric EPR<\/p>\n<\/td>\n<td>\n<p>Stepper-motor driven piston<\/p>\n<\/td>\n<td>\n<p>High<\/p>\n<\/td>\n<td>\n<p>Digital control systems<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>OLDR Differential Reg.<\/p>\n<\/td>\n<td>\n<p>Pilot-operated piston + solenoid mode control<\/p>\n<\/td>\n<td>\n<p>Medium<\/p>\n<\/td>\n<td>\n<p>Defrost and liquid line control<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Conclusion<\/h2>\n<p>Parker Sporlan pressure regulating valves cover the full range of refrigeration needs. From the mechanical dependability of bellows PRVs, to the versatile and service-friendly SORIT regulators, to the digitally precise CDS electric valves and the rugged efficiency of pilot-operated designs, there is a solution tailored to every type of system. The key is choosing the valve that best aligns with the application\u2019s pressure requirements, load variations, and control expectations.<\/p>\n<p>These valves are available through <strong><span style=\"color: #333333;\">A&amp;C Engineering<\/span><\/strong>, the Sporlan distributor for the Benelux. Whether you are designing a new installation, upgrading an existing system, or looking for advice on the right product selection, we can provide both the components and the technical support you need.<\/p>\n<p>For inquiries, product information, or any other questions, please feel free to <a href=\"https:\/\/www.ace-engineering.nl\/en\/contact\/\"><strong>contact us<\/strong><\/a>. We are here to help you select the right solution for reliable and efficient refrigeration control.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pressure regulating valves (PRVs) are fundamental components in modern refrigeration and air conditioning systems. They ensure that evaporators operate at stable pressures, protect compressors, and help maintain consistent product temperatures. Parker Sporlan has long been recognized as a leader in this space, offering a wide range of PRV solutions tailored for both commercial and industrial [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1796808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[733,728,917],"tags":[],"class_list":["post-1796851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hvac-and-refrigeration","category-parker-en","category-sporlan-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Understanding Parker Sporlan pressure regulating valves - A&amp;C Engineering<\/title>\n<meta name=\"description\" content=\"Parker Sporlan PRV series are available through A&amp;C Engineering, the Sporlan distributor for the Benelux.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ace-engineering.nl\/en\/understanding-parker-sporlan-pressure-regulating-valves\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding Parker Sporlan pressure regulating valves - 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