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Sporlan 903581 - Bypass Valve ADRHE-6 0/80 3/4" 7/8" ODF 0 - 80 PSIG

Bypass Valve ADRHE-6 0/80 3/4" 7/8" ODF 0 - 80 PSIG
Sporlan 903581 - Bypass Valve ADRHE-6 0/80 3/4" 7/8" ODF 0 - 80 PSIGSporlan 903581 - Bypass Valve ADRHE-6 0/80 3/4" 7/8" ODF 0 - 80 PSIG
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SKU: 903581
Brand: Sporlan

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The Sporlan line of discharge bypass valves are designed to provide an economical method of compressor capacity control in place of cylinder unloaders or to handle unloading requirements below the last step of cylinder unloading. These modulating control valves automatically bypass the required amount of discharge gas to the low side to maintain the desired minimum evaporator pressure. The valves are applicable on any refrigeration or air conditioning system that operates during periods of low load, which can result in coil icing or short cycling. These valves respond to downstream pressure changes and open when the evaporator pressure falls below the valve setting. At normal loads and evaporator conditions, the valve remains closed and the system operates in a conventional manner.
The DR line of valves consists of three basic types of valves: the adjustable models, the adjustable remote bulb models, and the non-adjustable models (contact Sporlan for information).
The SHGB valves are adjustable and pilot operated with a soldenoid stop feature that eliminates the need for a hot gas solenoid valve. They were developed for use on larger capacity systems.
The discharge bypass valve is normally applied in a branch line off the discharge line. To allow system pump down control, a solenoid valve or hand valve must be installed upstream of the discharge DR type bypass valves. The bypassed hot gas can enter the low side at several locations; however, two of the possible locations are preferred because of superior operating performance: into the side connection of a Sporlan side connection distributor or directly into the suction line. By using the side connection distributor method, the system TEVwill act as a desuperheating valve to keep the compressor suction temperature below the recommended maximum temperature published by the compressor manufacturer. When the hot gas is bypassed directly into the suction line, an auxiliary desuperheating TEV may be required.
Selection and Capacity Ratings
To select a valve, first determine the compressor capacity at the minimum allowable evaporating temperature. Then the discharge bypass valve must supply the difference between this compressor capacity and the minimum evaporator load at which the system is to be operated. The valve pressure setting will be that pressure at which the bypass valve must start to open.
Weight 4 Pound (lb.)
Height 4 Inches (in)
Width 7 Inches (in)
UPC 68747218718
Length 10 Inches (in)
Brand Sporlan
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