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FISHER LPG

Fisher LPG is a product line of gas pressure regulators manufactured by Emerson under the Fisher brand, specifically configured for liquefied petroleum gas (LPG) service. The Fisher name has been associated with pressure regulation technology since the late 19th century, and the LPG-specific range applies that engineering heritage to the particular demands of propane and butane systems. These regulators are lever-acting devices, meaning they use a lever mechanism to multiply the force available for valve actuation, which allows for reliable control across a wide range of inlet pressures and flow capacities. The product family includes models with cast iron, iron, and aluminum bodies, with connection options such as NPT x NPT and POL x NPT. Gas capacity ratings across the range span from 750,000 BtuH to 14,000,000 BtuH, covering small commercial appliances through high-capacity industrial installations. The regulators are categorized under CAT I standards, and many configurations are available without a vent limiter, which is relevant for installations where venting must be routed or managed separately. Typical applications include reducing and stabilizing LPG pressure for burners, boilers, and other gas-fired equipment in commercial and industrial settings. 3G Electric supplies the Fisher LPG line as part of its broader industrial equipment catalog, offering access to 87 SKUs across the series. The range includes lever-acting regulators with various body materials and connection types, allowing specifiers to match the regulator to the specific flow, pressure, and piping requirements of an LPG system. Because these are safety-critical components in gas trains, the availability of multiple capacity ratings and connection configurations supports proper sizing and code-compliant installation. 3G Electric serves plant engineers, maintenance managers, and procurement specialists who need to source these regulators for new installations, replacements, or system upgrades. The catalog includes detailed specifications such as body material, connection type, BtuH capacity, and manufacturer part numbers, enabling technical buyers to verify compatibility before ordering. For LPG systems requiring precise pressure control, the Fisher LPG lever-acting regulators provide a mechanically robust option with a documented capacity range. 3G Electric maintains inventory and logistics support for the Fisher LPG line, with the ability to quote specific SKUs based on application requirements. The product data available includes manufacturer part numbers, body materials, connection types, and capacity ratings, which are essential for cross-referencing against existing installations or engineering specifications. Whether the requirement is a low-capacity regulator for a commercial kitchen appliance or a high-capacity unit for an industrial burner, the Fisher LPG series includes configurations to match. 3G Electric's role is to make these components accessible to technical buyers globally, with the specification detail needed to select the correct regulator for the job.

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About FISHER LPG

Fisher LPG is a product line of gas pressure regulators manufactured by Emerson under the Fisher brand, specifically configured for liquefied petroleum gas (LPG) service. The Fisher name has been associated with pressure regulation technology since the late 19th century, and the LPG-specific range applies that engineering heritage to the particular demands of propane and butane systems. These regulators are lever-acting devices, meaning they use a lever mechanism to multiply the force available for valve actuation, which allows for reliable control across a wide range of inlet pressures and flow capacities. The product family includes models with cast iron, iron, and aluminum bodies, with connection options such as NPT x NPT and POL x NPT. Gas capacity ratings across the range span from 750,000 BtuH to 14,000,000 BtuH, covering small commercial appliances through high-capacity industrial installations. The regulators are categorized under CAT I standards, and many configurations are available without a vent limiter, which is relevant for installations where venting must be routed or managed separately. Typical applications include reducing and stabilizing LPG pressure for burners, boilers, and other gas-fired equipment in commercial and industrial settings. 3G Electric supplies the Fisher LPG line as part of its broader industrial equipment catalog, offering access to 87 SKUs across the series. The range includes lever-acting regulators with various body materials and connection types, allowing specifiers to match the regulator to the specific flow, pressure, and piping requirements of an LPG system. Because these are safety-critical components in gas trains, the availability of multiple capacity ratings and connection configurations supports proper sizing and code-compliant installation. 3G Electric serves plant engineers, maintenance managers, and procurement specialists who need to source these regulators for new installations, replacements, or system upgrades. The catalog includes detailed specifications such as body material, connection type, BtuH capacity, and manufacturer part numbers, enabling technical buyers to verify compatibility before ordering. For LPG systems requiring precise pressure control, the Fisher LPG lever-acting regulators provide a mechanically robust option with a documented capacity range. 3G Electric maintains inventory and logistics support for the Fisher LPG line, with the ability to quote specific SKUs based on application requirements. The product data available includes manufacturer part numbers, body materials, connection types, and capacity ratings, which are essential for cross-referencing against existing installations or engineering specifications. Whether the requirement is a low-capacity regulator for a commercial kitchen appliance or a high-capacity unit for an industrial burner, the Fisher LPG series includes configurations to match. 3G Electric's role is to make these components accessible to technical buyers globally, with the specification detail needed to select the correct regulator for the job.

Common Applications

  • Industrial LPG systems — Fisher LPG lever-acting regulator SKU 393MF9 (14,000,000 BtuH) for high-capacity pressure reduction to burners and boilers
  • Commercial LPG appliances — Fisher LPG lever-acting regulator SKU 393MD9 (750,000 BtuH) for stabilizing pressure in small commercial equipment
  • Bulk tank installations — Fisher LPG lever-acting regulator SKU 393LY5 (1,875,000 BtuH, POL x NPT) for high-flow LPG supply from storage tanks
  • Industrial burner systems — Fisher LPG lever-acting regulator SKU 393MG4 (10,700,000 BtuH) for reducing and stabilizing high-pressure LPG
  • Boiler gas trains — Fisher LPG lever-acting regulator SKU 393MA6 (5,327,000 BtuH) for pressure control in commercial and industrial boiler applications
  • Process heating equipment — Fisher LPG lever-acting regulator SKU 393MC0 (3,800,000 BtuH) for LPG pressure regulation in industrial process heating

Frequently asked questions

Common questions about FISHER LPG from 3G Electric.

What is the difference between the Fisher LPG lever-acting regulators with aluminum versus cast iron bodies?

The body material affects weight, corrosion resistance, and cost. Aluminum bodies are lighter and often used in lower-capacity commercial applications, with examples in the Fisher LPG range rated at 750,000 BtuH, 1,000,000 BtuH, 1,400,000 BtuH, and 1,875,000 BtuH. Cast iron bodies are heavier and typically used in higher-capacity industrial settings, with ratings such as 3,800,000 BtuH, 5,327,000 BtuH, 10,700,000 BtuH, and 14,000,000 BtuH. Both materials are available with NPT x NPT connections, and some aluminum models offer POL x NPT connections. Selection depends on the required flow capacity, the installation environment, and the piping connection type.

What does 'lever-acting' mean for a Fisher LPG gas pressure regulator?

Lever-acting refers to the mechanism that transmits force from the diaphragm to the valve plug. In these regulators, a lever multiplies the diaphragm force, allowing a smaller diaphragm to control the valve against higher inlet pressures or to achieve a more compact design for a given capacity. This is distinct from direct-acting or pilot-operated designs. The lever mechanism is a common feature in Fisher LPG regulators used for reducing and stabilizing pressure in LPG systems, and it contributes to the regulator's ability to handle the capacity ranges listed, from 750,000 BtuH up to 14,000,000 BtuH.

What is the maximum gas capacity available in the Fisher LPG lever-acting regulator series?

The highest capacity model in the Fisher LPG lever-acting series carried by 3G Electric is rated at 14,000,000 BtuH, with a cast iron body and NPT x NPT connections (SKU 393MF9, MPN 630-104-78). Other high-capacity options include a 10,700,000 BtuH iron body model (SKU 393MG4, MPN 627-6210) and a 5,327,000 BtuH cast iron model (SKU 393MA6). These are typically used in industrial LPG systems where large volumes of gas must be reduced and stabilized for burners, boilers, or other high-demand equipment. For lower capacities, the range includes models from 750,000 BtuH upward.

Are Fisher LPG regulators suitable for both commercial and industrial LPG applications?

Yes. The Fisher LPG lever-acting regulator range includes models designated for commercial applications, such as the 750,000 BtuH aluminum body unit (SKU 393MD9, MPN 67CH-743), as well as higher-capacity models for industrial use. The application category is often indicated in the product specifications, but selection should be based on the required BtuH capacity, inlet and outlet pressure requirements, and connection size. Commercial applications might include restaurant equipment or small boilers, while industrial applications could involve process burners, large boilers, or bulk tank installations. The range covers capacities from 750,000 BtuH to 14,000,000 BtuH, providing options across both categories.

What connection types are available for Fisher LPG lever-acting regulators?

The Fisher LPG lever-acting regulators in the 3G Electric catalog are available with NPT x NPT connections and POL x NPT connections. NPT (National Pipe Thread) is a standard tapered thread used in gas piping, and POL (Prest-O-Lite) is a connection type commonly used for LPG cylinder valves. For example, SKU 393LY5 (MPN R222H-JGK) has an aluminum body with POL x NPT connections and a 1,875,000 BtuH capacity. Most other models listed have NPT x NPT connections. The choice depends on the mating piping or cylinder connection in the existing or planned installation.

Do Fisher LPG regulators come with a vent limiter?

The product specifications indicate that some models are available without a vent limiter. For instance, SKU 393MA6 is listed with 'Vent Type: No Limiter.' A vent limiter is a device that restricts the flow of gas from the regulator vent in the event of a diaphragm failure, and its requirement depends on local codes and the installation environment. Buyers should verify the venting requirements for their specific application and select the appropriate configuration. The Fisher LPG range includes options both with and without vent limiters, and 3G Electric can provide specification details for each SKU to confirm the vent configuration.