Fisher™ Types 1098-EGR and 1098H-EGR Pressure Reducing Regulators UK & Ireland

Fisher™ Types 1098-EGR and 1098H-EGR Pressure Reducing Regulators

The Fisher 1098-EGR and 1098H-EGR regulators provide economical and accurate pressure control in a wide variety of applications. They are also used in plant air service and in liquid service where a slow stroking time (approximately 30 to 90 seconds) is desired on both openings and closing the main valve.

The superior performance of this regulator is due to the amplifying effect of the pilot and the two-path control system. Changes in outlet pressure act quickly on the actuator diaphragm to provide a fast response to system changes. Then, the pilot amplifies any small system changes to position the main valve for precise pressure control.

Features

Low Differential Applications

Can accurately control at pressure differentials as low as 1 psid / 70 mbar d

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 30 dBa.

Easy In-Line Maintenance

Top entry design enables easier maintenance. Trim parts can be inspected, cleaned and replaced without removing the body from the pipeline.

No Atmospheric Bleed

Eliminates nuisance and wasteful bleed gas to the atmosphere by utilizing a pilot-operated control system, which bleeds 100% of the gas to the downstream system.

High Turn Down Capability

The oversized diaphragm and linear cage allow for high turn down, providing superior pressure control in systems with large variations in downstream flow demand.

Tight Shutoff

A knife-edged metal plug and soft seat provide bubble-tight shutoff for use in applications where the positive shutoff is required such as dead-end systems.

Travel Indicator

Simplifies in-service inspection and system troubleshooting

Technical Data

Body Sizes and End Connection Styles

Body Sizes: NPS 1, 2, 3, 4, 6, 8 x 6, 12 x 6 / DN 25, 50, 80, 100, 150, 200 x 150, 300 x 150
End Connections: NPT, CL150 RF, CL300 RF, CL600 RF, CL125FF, CL250RF, BWE, SWE, or PN 16/24/40

Maximum Inlet Pressure

400 PSIG / 28 bar or body rating limit whichever is lower

Temperature Capabilities

Nitrile (NBR): -20° to 180°F / -29° to 82°C
Fluorocarbon (FKM): 0° to 300°F / -18° to 149°C
Ethylenepropylene (EPR): -20° to 275°F / -29° to 135°C

Application

Natural gas distribution systems
Fuel gas supply to industrial boilers
Furnaces
Ovens and mixers

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