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Introduction This regulator is a diaphragm-sensing, dome-loaded, differential-pressure regulator, designed for low- pressure gases and liquids. The LPRD10, 15 -DP has a large diaphragm for high accuracy. The regulator comprises a body and dome bolted together and has a removable seat and poppet. The product is designed to be used between -20 °C and +80 °C, whether ambient temperature or media temperature.
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Introduction continued Representative drawing of the LPRD10,15 Body (assembly) Spring guide Body plug Setscrew Poppet (assembly) Dome O-ring Seat Fitting O-ring Poppet spring Spring guide O-ring Retaining ring Top cover (Dome) Diaphragm Fitting (dome connection) Diaphragm plate Spring housing Balancing O-ring Diaphragm screw Set spring Socket head cap screw...
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Installation WARNING Self-venting and captured-venting regulators can release system fluid to atmosphere. Position the self-vent hole or the captured vent connection away from operating personnel. WARNING The working pressure of the diaphragm enclosure is 232 psig (16 bar). Do not exceed a downstream pressure of 232 psig (16 bar).
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Operation CAUTION Do not use the regulator as a shutoff device. Make the final pressure setting in the direction of increasing pressure to obtain the most accurate set points. Once fluid is flowing through the system, fine tuning may be required. ...
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Maintenance WARNING Before servicing any installed regulator, you must ▪ depressurize system and dome ▪ cycle the regulator ▪ purge the regulator. Required tools for maintenance a vise to fasten the regulator pincers to take out the O-rings ...
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Tighten the cap screws to the recommended torque. Warranty Information Swagelok® products are backed by The Swagelok Limited Lifetime Warranty. For a copy, visit swagelok.com or contact your authorized Swagelok representative. For additional information, see www.swagelok.com. WARNING: Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok, Snoop—TM Swagelok Company...
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