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AQUATROL

AQUATROL is a manufacturer of pressure relief and safety relief valves used in steam, air, gas, and liquid service. The product line supplied by 3G Electric centers on ASME Section VIII steam pressure relief valves, with bronze body construction and threaded MNPT inlet / FNPT outlet connections. The catalog includes 480 SKUs spanning ASME code and non-code configurations, with connection sizes from 1/2 in through 2 in and maximum operating pressures up to 364 psi. These valves are used to protect boilers, pressure vessels, and other pressurized equipment from overpressure events. The ASME Section VIII models are built to the requirements of that code section, which governs the design, fabrication, and testing of pressure relief devices for fired and unfired pressure vessels. Bronze bodies are typical for steam and non-corrosive gas service at the pressure and temperature ranges covered by this family. The valves are available in multiple orifice and spring configurations, allowing selection by set pressure, capacity, and connection size. 3G Electric supplies AQUATROL pressure relief valves globally, with logistics support for export orders and consolidated shipments. The product data provided for each SKU includes manufacturer part number, connection type and size, body material, and maximum operating pressure, so buyers can match a valve to an existing installation or a new build. For plant engineers and maintenance managers, the practical selection variables are inlet and outlet size, set pressure, code requirement (ASME Section VIII versus non-code), and the fluid or gas being relieved. The AQUATROL range covers common steam header and boiler protection sizes, including 1/2 in, 3/4 in, 1 in, 1 1/2 in, and 2 in inlets, with corresponding outlets. Because the valves are bronze, they are suited to steam, air, and gas service where corrosion from the process fluid is not a primary concern. 3G Electric holds or sources the full AQUATROL line, including the 740 series part numbers shown in the current catalog, and can quote against a specific MPN or a set of operating conditions. The company ships worldwide, so the same part numbers are available to buyers regardless of location. For procurement specialists, the key documentation points are the ASME Section VIII listing for code valves, the stamped set pressure, and the capacity rating at that pressure. 3G Electric provides the manufacturer part number and specification data for each SKU so that the valve can be verified against the required code and process conditions before order placement.

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About AQUATROL

AQUATROL is a manufacturer of pressure relief and safety relief valves used in steam, air, gas, and liquid service. The product line supplied by 3G Electric centers on ASME Section VIII steam pressure relief valves, with bronze body construction and threaded MNPT inlet / FNPT outlet connections. The catalog includes 480 SKUs spanning ASME code and non-code configurations, with connection sizes from 1/2 in through 2 in and maximum operating pressures up to 364 psi. These valves are used to protect boilers, pressure vessels, and other pressurized equipment from overpressure events. The ASME Section VIII models are built to the requirements of that code section, which governs the design, fabrication, and testing of pressure relief devices for fired and unfired pressure vessels. Bronze bodies are typical for steam and non-corrosive gas service at the pressure and temperature ranges covered by this family. The valves are available in multiple orifice and spring configurations, allowing selection by set pressure, capacity, and connection size. 3G Electric supplies AQUATROL pressure relief valves globally, with logistics support for export orders and consolidated shipments. The product data provided for each SKU includes manufacturer part number, connection type and size, body material, and maximum operating pressure, so buyers can match a valve to an existing installation or a new build. For plant engineers and maintenance managers, the practical selection variables are inlet and outlet size, set pressure, code requirement (ASME Section VIII versus non-code), and the fluid or gas being relieved. The AQUATROL range covers common steam header and boiler protection sizes, including 1/2 in, 3/4 in, 1 in, 1 1/2 in, and 2 in inlets, with corresponding outlets. Because the valves are bronze, they are suited to steam, air, and gas service where corrosion from the process fluid is not a primary concern. 3G Electric holds or sources the full AQUATROL line, including the 740 series part numbers shown in the current catalog, and can quote against a specific MPN or a set of operating conditions. The company ships worldwide, so the same part numbers are available to buyers regardless of location. For procurement specialists, the key documentation points are the ASME Section VIII listing for code valves, the stamped set pressure, and the capacity rating at that pressure. 3G Electric provides the manufacturer part number and specification data for each SKU so that the valve can be verified against the required code and process conditions before order placement.

Common Applications

  • Steam boilers — AQUATROL ASME Section VIII bronze relief valves in 1/2 in to 2 in MNPT inlet sizes for overpressure protection.
  • Pressure vessels — AQUATROL 740 series safety relief valves with 364 psi maximum operating pressure for ASME Section VIII applications.
  • Steam distribution systems — AQUATROL bronze pressure relief valves with FNPT outlets for header and branch line protection.
  • Air and gas systems — AQUATROL non-code or ASME Section VIII relief valves in bronze for compressed air and non-corrosive gas service.
  • Process skids — AQUATROL 740DF, 740EF, and 740GF series valves for OEM and packaged equipment overpressure protection.
  • Maintenance and replacement — AQUATROL pressure relief valves matched by MPN, connection size, and set pressure for existing installations.

Frequently asked questions

Common questions about AQUATROL from 3G Electric.

What is the difference between the ASME Section VIII and non-code AQUATROL pressure relief valves?

ASME Section VIII valves are designed, manufactured, and tested to the requirements of the ASME Boiler and Pressure Vessel Code, Section VIII, which covers pressure vessels. They carry a capacity certification and are typically required for code-stamped vessels and boilers. Non-code AQUATROL valves are built to the same general bronze construction but are not ASME Section VIII certified, so they are used where the installation is not governed by that code section or where a code stamp is not required. The selection depends on the jurisdiction, the vessel classification, and the insurance or inspection requirements for the specific installation.

What connection sizes and pressure ratings are available in the AQUATROL steam pressure relief valve line?

The AQUATROL ASME Section VIII steam pressure relief valves supplied by 3G Electric include inlet sizes from 1/2 in to 2 in MNPT, with matching FNPT outlets. Examples include 1/2 in x 3/4 in, 3/4 in x 1 in, 1 in x 1 1/4 in, 1 1/2 in x 1 1/2 in, and 2 in x 2 in configurations. The maximum operating pressure for the listed models is 364 psi. Actual set pressure is determined by the spring selection and is stamped on the valve. Buyers should confirm the required set pressure and capacity against the specific part number before ordering.

What body material is used in AQUATROL pressure relief valves, and what services are they suitable for?

The AQUATROL pressure relief valves in the 3G Electric catalog have bronze bodies. Bronze is commonly used for steam, air, gas, and non-corrosive liquid service within the pressure and temperature limits of the valve. It is not intended for highly corrosive media or for services where the process fluid would attack copper-based alloys. For each application, confirm that the wetted materials are compatible with the fluid, and verify the temperature and pressure limits against the valve's published ratings.

How do I select the correct AQUATROL safety relief valve for a steam boiler or pressure vessel?

Selection requires the set pressure, the required relieving capacity, the inlet and outlet connection sizes, and the applicable code. For ASME Section VIII vessels, the valve must be code-stamped and rated for the required capacity at the set pressure. The AQUATROL 740 series part numbers encode the connection size and spring range; for example, the 740DF1M2J1-30 is a 3/4 in x 1 in bronze valve with a 364 psi maximum operating pressure. 3G Electric can quote against a specific MPN or against the operating conditions if the MPN is not known.

Does 3G Electric supply AQUATROL pressure relief valves outside of Singapore?

Yes. 3G Electric ships AQUATROL pressure relief valves globally. The catalog includes 480 SKUs, and orders can be consolidated for export. Buyers outside Singapore should provide the destination country and port so that logistics and documentation can be quoted. The same manufacturer part numbers are used worldwide, so a valve specified for a project in one region can be sourced for another.

What information is needed to quote an AQUATROL pressure relief valve?

To quote an AQUATROL valve, provide the manufacturer part number if known, or the following: inlet and outlet size and type (MNPT x FNPT), set pressure, required capacity, fluid or gas, operating temperature, and whether ASME Section VIII certification is required. If the valve is for a code-stamped vessel, include the vessel's design pressure and the required relieving capacity. 3G Electric will match these to the available AQUATROL SKUs and provide a quotation with the specific part number and specifications.