The GSDH3 is the highest pressure GS model back pressure regulator in the 3/8 inch port size. The GSDH3 was originally designed for controlling high pressure liquid fuels in automotive fuel testing. The GSDH3 is also used for higher pressure catalytic reactor vessel pressure control in mid sized pilot plant operations.
The GS General Service is a family of back pressure regulators useful for gas, liquid, or mixed gas & liquid service. The General Service design uses Equilibar’s unique multiple orifice, direct diaphragm sealing technology to control back pressure with great accuracy where high temperatures, aggressive chemicals, mixed gas/liquid phase media, or other demanding conditions exist. The GS series is a dome loaded pilot operated design. Pilot pressure may be provided by a remote manually adjusted set point regulator or with an electronic pressure regulator to allow automated or closed loop control of your back pressure. The GS series is ideally sized where accurate control is needed in pilot plant or manufacturing scale applications.
Contact an application engineer for help finding the right back pressure regulator for your process.