{"product_id":"034n0083-danfoss-cpce-15-hot-gas-bypass-regulator","title":"034N0083 Danfoss CPCE 15 Hot Gas Bypass Regulator","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034N0083 (034N0083)\u003c\/strong\u003e, also designated as Type CPCE 15, is a high-precision hot gas bypass regulator designed to adapt compressor capacity to actual evaporator load. By bypassing hot gas from the high-pressure side of the refrigeration system to the low-pressure side, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034N0083\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprevents excessively low suction pressure and evaporator icing. This regulator is a critical component for maintaining stable evaporation temperatures in commercial refrigeration, air conditioning, and liquid chiller units. Its robust mechanical design ensures reliable operation in demanding environments, protecting the compressor from short-cycling and ensuring consistent cooling performance even under low-load conditions.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034N0083\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitecture is engineered for precise pressure modulation and durability:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCPCE Series Engineering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifically designed for injection between the thermostatic expansion valve and the evaporator, often used in conjunction with a liquid-gas mixer (LG).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect-Acting Diaphragm:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 13.5 mm actuator system responds instantly to suction pressure changes, providing smooth, modulating control without abrupt steps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWide Thermal Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCapable of operating in ambient conditions from -40 to 50 Celsius (-40 to 122 Fahrenheit), making it suitable for both cold storage and high-temperature mechanical rooms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated for a Maximum Working Pressure (MWP) of 18 bar (260 psig), providing a significant safety margin for standard HCFC and HFC refrigerant systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e034N0083 (CPCE 15)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDanfoss\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHot Gas Bypass Regulator\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eActuator System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13.5 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Working Pressure\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 bar (260 psig)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 50 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Media Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e140 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRegulation Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 6 bar (Factory Setting 0.4 bar)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.95 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the CPCE 15 prevent compressor overheating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e034N0083\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebypasses hot gas to the evaporator inlet rather than directly to the suction line. This ensures that the hot gas is mixed with liquid refrigerant from the expansion valve, which desuperheats the gas before it reaches the compressor, preventing high discharge temperatures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 034N0083 be used with modern low-GWP refrigerants?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CPCE 15 is compatible with most standard HCFC and HFC refrigerants. However, always verify that the specific refrigerant’s pressure-temperature characteristics fall within the 18 bar MWP and that the lubricant used is compatible with the regulator's internal seals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the 13.5 mm actuator in this regulator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 13.5 mm actuator refers to the diameter of the internal bellows\/diaphragm assembly. This specific sizing allows for high-sensitivity regulation, ensuring that even small fluctuations in suction pressure trigger the necessary bypass flow to maintain system equilibrium.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor optimal performance, the CPCE 15 should be installed in a bypass line between the discharge line and the distributor at the evaporator inlet. Utilizing a Danfoss LG liquid-gas mixer at the point of injection is highly recommended to ensure thorough mixing of hot gas and liquid refrigerant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustment Procedure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe regulator is factory-set to open at a suction pressure of 0.4 bar. To adjust the setpoint, remove the protective cap and turn the setting screw. Clockwise rotation increases the opening pressure, while counter-clockwise rotation decreases it. Perform adjustments in small increments while monitoring suction pressure gauges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrazing Safeguards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDuring installation, the regulator body must be wrapped in a wet cloth or heat-sink paste. Excessive heat during brazing can damage the internal diaphragm and the 13.5 mm actuator system, leading to calibration drift or external leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102416462187,"sku":"034N0083","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/034n0083-lcim4q135tm.png?v=1776136893","url":"https:\/\/www.plcprotech.com\/products\/034n0083-danfoss-cpce-15-hot-gas-bypass-regulator","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}