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RHPS Series
LPRD10, 15 -DP
User Manual
Read the complete manual before installing and using the regulator.

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Table of Contents
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Summary of Contents for Swagelok RHPS Series

  • Page 1 RHPS Series LPRD10, 15 -DP User Manual Read the complete manual before installing and using the regulator.
  • Page 2 Contents Introduction ............................... 3 Installation ..............................5 Operation ..............................6 Maintenance .............................. 7 Troubleshooting ............................8...
  • Page 3 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.
  • Page 4 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...
  • Page 5 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).
  • Page 6 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. ...
  • Page 7 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 ...
  • Page 8 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...

This manual is also suitable for:

Lprd10Lprd15Lprd15-dp

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