EMERSON FISHER™ TYPE 1301G HIGH-PRESSURE REGULATOR
Rp123000.00
Professional Product Specification
The Emerson Fisher™ Type 1301G is a self-operated, direct-operated high-pressure regulator designed for accurate pressure reduction in demanding industrial gas applications. Engineered for high inlet pressure systems, the Type 1301G regulator is commonly used as a pilot supply regulator for pilot-operated regulators and as a loading pressure regulator in pressure-loaded control systems.
The Fisher 1301G provides stable outlet pressure control, fast response, and reliable shutoff performance under severe operating conditions. Its rugged construction and high-pressure capability make it suitable for oil & gas, petrochemical, utility, and industrial process applications.
General Specifications
Description | Specification |
|---|---|
Product Type | High-Pressure Reducing Regulator |
Model | Fisher™ Type 1301G |
Manufacturer | |
Regulator Type | Self-Operated / Direct-Operated |
Body Size | 1/4 in. NPT |
End Connection | Female NPT |
Body Materials | Brass / Stainless Steel |
Maximum Inlet Pressure | Up to 6000 psig (414 bar) |
Outlet Pressure Range | 200 to 500 psig (13.8 to 34.5 bar) |
Pressure Registration | Internal |
Temperature Capability | -40°F to 400°F (-40°C to 204°C) depending on trim materials |
Flow Media | Natural Gas, Air, Nitrogen, Hydrogen, Various Industrial Gases |
Shutoff Classification | ANSI Class VI |
Approximate Weight | 8 lb (3.6 kg) |
Mounting Position | Any Position |
Compliance Option | NACE MR0175 / MR0103 Available |
Key Features
Designed for extremely high inlet pressure service
Accurate and stable downstream pressure control
Fast response and excellent shock characteristics
Bubble-tight shutoff performance
Durable stainless steel diaphragm construction
Compact and rugged industrial design
Easy maintenance and trim accessibility
Suitable for hydrogen and sour gas applications
Available in brass and stainless steel body construction
Excellent reliability for continuous industrial operation
Typical Applications
Pilot gas supply systems
Pressure-loaded regulator systems
Natural gas distribution systems
Nitrogen and hydrogen pressure control
Chemical and petrochemical plants
Oil & gas production facilities
Industrial gas skids
Instrument gas systems
High-pressure process gas applications
Operating Principle
The Fisher Type 1301G regulator operates using a spring-loaded diaphragm mechanism that automatically balances downstream pressure against spring force. When outlet pressure drops below the setpoint, the regulator opens to increase flow. As outlet pressure rises, the valve throttles toward the closed position to maintain stable pressure regulation throughout the system.
Performance Advantages
High-pressure capability up to 6000 psig
Stable outlet pressure under varying flow demand
Long operational service life
Reduced maintenance requirements
Reliable performance in severe environments
Tight shutoff minimizes leakage risk
Suitable for corrosive and hazardous gas services
Available Series Comparison
Model | Outlet Pressure Range | Typical Application |
|---|---|---|
Type 1301F | 10 to 225 psig | Medium-pressure gas reduction |
Type 1301G | 200 to 500 psig | High-pressure gas reduction |
