Not every system is the same and hence pressure regulators need to be sized and selected to provide an exact solution. The ability for a pressure regulator to provide stable control depends on pressures and flow rates within the system being able to pass through the seating area and cross holes within the valve. Other factors such as temperature, media and external environment provide variations that mean 'off-the-shelf' products may not be acceptable for many systems.
Flanged NACE regulator developed for Aramco
This specially adapted ANSI flanged pressure regulator has been developed for use on Sour Gas installations for Saudi Aramco. By removing the need for high pressure NPT instrumentation lines, and connecting directly to the process line, it crucially eliminates the potential for leak paths. The flanged LF-311 shown also includes a large piston sensed element for use with Hydrogen; it protects against the risk of Hydrogen embrittlement and provides excellent pressure control to the gas analyser system.
Designed to operate subsea at depths up to 3000m (10,000ft), these regulators can either use the external seawater pressure as a reference pressure or be completely sealed to operate at topside ambient pressure conditions, thus are completely unaffected by external pressure conditions. A version of the regulator is also available with a 'bucket handle' to allow subsea adjustment by ROVs.
Based on our well-established range of stainless steel regulators, our range of brass regulators are cleaned and degreased within the guidelines of ASTM G93 for equipment used in oxygen-enriched environments, and intended for use on critical life support or hyperbaric diving applications, where accurate control and high cleanliness is required for breathing systems. Typically in hyperbaric and decompression chambers and on breathing air analyser systems.