Fisher CS800 Series Pressure Reducing Regulators

The Fisher™ CS800 Series comprises direct-operated, spring-loaded pressure reducing regulators engineered for a wide range of commercial and light industrial applications. These regulators are designed to provide precise pressure control, ensuring reliable performance in various gas distribution systems. The CS800 Series offers multiple overpressure protection options, enhancing safety and operational flexibility.

Specifications

Available Configurations:

1. Types:

   • CS800: Standard pressure reducing regulator.

   • CS800IR: Includes internal relief for overpressure protection.

   • CS800IQ: Features high-capacity relief.

   • CS803: Equipped with True-Monitor™ protection.

   • CS804IT: Incorporates an integral Type VSX8 slam-shut module.

Body Sizes and Materials:

1. Sizes: NPS 1-1/2 and NPS 2.

2. Materials: Gray cast iron, ductile iron, or steel.

End Connections and Pressure Ratings:

1. End Connections: Threaded (NPT) or flanged options.

2. Maximum Inlet Pressure:

   • Emergency: 175 psig (12.1 bar).

   • Operating: Varies by model and configuration.

Outlet Pressure Ranges:

1. Regulator: 3.5 inches w.c. to 10 psig (9 mbar to 0.69 bar).

Temperature Capabilities:

1. Standard: -20°F to 150°F (-29°C to 66°C).

Overpressure Protection Options:

1. Internal Relief: Standard and high-capacity options.

2. True-Monitor™ Protection: Provides backup regulation.

3. Slam-Shut Device: For immediate shutoff in overpressure conditions.

Flow Capacities:

1. Maximum Capacity: Up to 243 SCFM (6,880 Nm³/h) depending on configuration.

Orifice Sizes:

1. Available Sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", and 1-3/8".

Certifications and Approvals:

1. Complies with relevant industry standards and regulations.

Special Features:

1. Fixed Factor/Pressure Factor Measurement (PFM) Accuracy Capabilities: Ensures precise pressure control.

2. Hydrogen Service Capability: Suitable for up to 25% hydrogen blend by volume; 100% hydrogen construction available upon request.

3. Simplified Maintenance: Designed for easy servicing with standard tools.

Applications

• Natural Gas Distribution: Suitable for commercial and industrial gas supply systems.

• LP-Gas Systems: Applicable in various propane distribution networks.

• Industrial Gas Regulation: Ideal for controlling pressures in manufacturing processes.