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The Mark 627 is a self-operated, pressure-reducing regulator that provides accurate regulation and tight shutoff on low- or high-pressure systems. Use on air, natural gas, or a variety of other gases.
The Mark 627 handles inlet pressures up to 2000 psi (137,9 bar). It features a tamper-resistant protective cap and the top entry design allow easy in-line maintenance. The standard 316 stainless steel orifice comes in six different sizes. The carbon steel body has FNPT end connections and is available in 3/4″ (DN20) and 1″ (DN25).
The Mark 630 is a self-operated, pressure-reducing regulator that provides accurate regulation and tight shutoff on high-pressure gas systems. It handles inlet pressures up to 1500 psi (103,4 bar) for a variety of gases.
The rugged design is available in 1″ (WCB body) and 2″ (Ductile Iron body) and offers brass or stainless trim.
The Mark 68HP is designed primarily for high pressure steam service commonly found in power plants, refineries, pulp and paper mills, and other high pressure process applications. Since high pressure superheated steam is routinely used for power generation (turbines), a pressure regulator capable of withstanding these pressures is needed for the distribution of lower pressure steam for individual process requirements.
Common uses for the Mark 68HP include:
– Pressure reduction of turbine extraction steam to desuperheaters.
– Steam injection to turbine bearing seals to eliminate pressure differential across this area.
– Primary pressure reduction from the main steam header to lower pressure points of use.