Swagelok LPRS4 Series, User Manual, Page: 4 / 24

4
Introduction
Overview
- The RS(H)4, RS(H)6 and RS(H)8 series are spring-loaded pressure-reducing regulators designed for the
regulation of high pressure gases and liquids.
- The LPRS4, LPRS6 and LPRS8 series are spring-loaded pressure-reducing regulators designed for high-
sensitivity regulation of gases and liquids.
- For pressure and temperature rating information refer to the Pressure Regulators, RHPS Series catalog,
MS-02-430. Note that seat seal material selection can limit the regulator operational pressure at elevated
temperatures.
WARNING
Check that system pressures and temperatures do not exceed those stated on the regulator as
this could result in product failure.
Standard Features
- Bolted construction
- Stainless steel as standard
- Fully serviceable
- Diaphragm or piston sensing
- Balanced poppet
- Panel mounting
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Additional Options
The regulator is available with the following options:
-
Anti-tamper
- Gauge port configurations
- Self-venting
WARNING
The self-venting feature is for venting off excessive outlet pressure under zero flow conditions.
It is not intended to be used as a safety relief valve.
Oxygen Service
- For more information about hazards and risks of oxygen enriched systems see the Swagelok Oxygen
System Safety technical report (MS-06-13).
- Cleaning and packaging to ensure compliance with product cleanliness requirements stated in ASTM G93
Level C is available. Refer to the
Pressure Regulators, RHPS Series catalog, MS-02-430, for additional
information.
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RS(H)4 only