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Fisher EZH and EZHSO series regulators

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Anders Praem
Inside Sales Engineer
Phone. 2137 7759

Frank Kirk Hansen
Account Manager
Phone. 4053 6511

Fisher™ EZH (Spring-to-Close) and EZHSO (Spring-to-Open) series regulators are accurate pilot-operated, pressure balanced, soft-seated regulators. They are designed for use in high pressure natural gas transmission/city gate stations, large capacity distribution systems, and power plant feeds. They provide smooth, reliable operation, tight shutoff and long life.

BRINT Fisher

Specifikationer
Funktioner

Available Configurations	Type EZH (Spring-to-Close) and EZHSO (Spring-to-Open): Control range of 14.5 to 1160 psig / 1 to 80 bar Type EZHOSX and EZHSO-OSX: Type EZH and EZHSO with integrated Type OS2 slam-shut device
Body Sizes and End Connection Styles	Body Sizes: NPS 1, 2, 3, 4, 6, 8, 12x6 / DN 25, 50, 80, 100, 150, 200, 300x150 End Connections: NPT, CL150 RF, CL300 RF, CL600 RF, BWE, SWE
Maximum Allowable Pressures	Inlet Pressure: 1500 psig / 103 bar Outlet (Casing) Pressure: 1500 psig / 103 bar Emergency Casing Pressure: 1500 psig / 103 bar
Outlet Pressure Range	14.5 to 1160 psig / 1.0 to 80.0 bar
Temperature Capabilities	Nitrile (NBR) Version: -20 to 180°F / -29 to 82°C Fluorocarbon (FKM) Version: 0 to 180°F / -18 to 82°C Polyurethane (PU): All body sizes except NPS 3 to 4 / DN 80 to 100: -22 to 180°F / -30 to 82°C, NPS 3 to 4 / DN 80 to 100 Sizes: -4 to 180°F / -20 to 82°C

Absolutely No Atmospheric Bleed—Eliminates nuisance and wasteful bleed gas to atmosphere by utilizing a pilot-operated control system, which bleeds 100% of the gas to the downstream system.
Bubble-Tight Shutoff—A knife-edged metal plug and soft seat provide bubble tight shutoff for use in applications where positive shutoff is required such as dead-end systems.
Long Life in Severe Service Applications—The metal plug design deflects particles and debris away from the soft-seat, which gives excellent particle erosion resistance, prolonging service life.
Failure Mode Options—The Type EZHSO spring-to-open design can be utilized to maximize uptime while the Type EZH spring-to-close design can be utilized to protect downstream assets. For many customers, combining the two technologies with a Type EZHSO worker and Type EZH monitor incorporates the best of both worlds.
Precise Pressure Control—Provides stable and accurate downstream pressure control regardless of load changes or inlet pressure variations.
Quiet Operation—The Whisper Trim™ Cage option reduces noise by up to 8 dBa at the source, eliminating the need for expensive path treatments such as insulation, buried valves, and enclosures which only mask noise.
Full Pressure Rating—The equal inlet and outlet pressure rating of 1500 psig / 103 bar, which allows easier selection and requires no special startup or shutdown procedures.
Integral Slam Shut Configurations—Types EZHOSX and EZHSO-OSX discontinue gas service by shutting the gas off if there is an overpressure or underpressure condition.

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Fisher EZH and EZHSO series regulators

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