Emerson Releases Fisher CS800 Regulators

In addition to application flexibility, the CS800 Series offers multiple overpressure protection options to meet your demands on application requirements.

Overpressure Protection Options Available:

• Standard Internal Relief – Relieves gas across the main diaphragm assembly to minimize downstream pressure buildup.
• High-Capacity Internal Relief – Relieves gas across the main diaphragm assembly through a larger 2-1/2 NPT vent size to provide lesser resistance to venting gas, therefore minimizing downstream pressure build-up.
• Token Relief – Provides a small capacity or token relief that relieves minor overpressure caused by thermal expansion or minor nicks in the orifice or disk.
• Secondary Seat™ Protection – Provides lockup via a secondary seating and disk surface in the event that damage to the primary disk or orifice seating surface, or debris in the flow path, inhibit primary lockup. Secondary Seat protection does not provide additional overpressure protection in the event the secondary seat or disk is damaged by debris or contamination in the pipeline or from conditions that would cause the regulator to go wide open.

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