Pressure Regulators suit low-pressure gas systems.

Press Release Summary:

Installed on tank's inlet and outlet, respectively, RHPS Series Models TBRS and TBVS maintain tank's blanketing gas at constant pressure. Spring-loaded, pressure reducing TBRS accommodates inlet pressures from 1.5-230 psig and can regulate outlet pressures down to 0.07-7.3 psig, while spring-loaded back pressure TBVS senses pressure from 0.07-7.3 psig. Available in ½-2 in. sizes with operating temperature of -4 to 280°F, both feature 316L SS body, PTFE diaphragms, and fluorocarbon seals.

Original Press Release:

Swagelok® RHPS Series Regulators for Low Pressure Control

SOLON, Ohio - Swagelok RHPS series TBRS and TBVS model regulators provide accurate pressure control in low-pressure gas systems. One common application is accurate control of a blanketing (inert) gas in a closed tank or vessel. Installed on a tank's inlet and outlet, the TBRS (inlet) and TBVS (outlet) regulators maintain a tank's blanketing gas at a constant pressure.

Changes in the tank pressure due to a change in its level or temperature automatically trigger the regulators to maintain the desired pressure of blanketing gas over the tank's contents. The regulators provide full mechanical control and are not dependent on external power sources.

The spring-loaded, pressure reducing TBRS model accommodates inlet pressures between 1.5 psig (41.5 in. H2O) to 230 psig, (0.1 to 16 bar) and can regulate outlet pressures down to between 0.07 psig (1.9 in. H2O) to 7.3 psig, (5 to 500 millibar). Likewise, the spring-loaded back pressure TBVS model senses pressures between 0.07 psig (1.9 in. H2O) and 7.3 psig, (5 to 500 millibar). Operating temperature range for both models is -4 to 280° F (-20 to 140° C).

Both models feature 316L stainless steel body and spring housing construction, PTFE diaphragms, standard fluorocarbon seals and optional EPDM or perfluorocarbon seals.
Sizes range from 1/2 to 2 in. End connections include NPT female, BSP parallel female, ANSI 150# flanges, DIN DN25 PN 16 flanges, or sanitary tri-clamp. Regulators are ultrasonically cleaned and degreased. Cleaning based on ASTM-G93 Level C/CGA 4.1 is available as an option.

Headquartered in Solon, Ohio, U.S.A., Swagelok Company is a major developer and provider of fluid system solutions, including products, assemblies, and services for the research, instrumentation, pharmaceutical, oil and gas, power, petrochemical, alternative fuels, and semiconductor industries. Its manufacturing, research, technical support, and distribution facilities support a global network of more than 200 authorized sales and service centers in 57 countries. For more information about Swagelok, visit the company's Web site at

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