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GREENLINE

GREENLINE is a brand specializing in heavy-duty motor-driven diaphragm metering pumps designed for precise chemical dosing in industrial applications. The product line focuses on electric motor-driven pumps with PVDF (polyvinylidene fluoride) heads, PTFE (polytetrafluoroethylene) diaphragms, and a range of seal and fitting materials including FKM and 316 stainless steel. These pumps are built to handle aggressive chemicals and demanding environments, with reproducibility rated at ±2.0% for consistent metering accuracy. The pumps operate on dual-voltage 115/230V AC power and are available in horsepower ratings from 1/2 hp to 1 1/2 hp, accommodating various flow and pressure requirements. The diaphragm construction eliminates leakage risks associated with packed plunger pumps, making them suitable for hazardous or corrosive fluid handling. GREENLINE pumps are typically used in water treatment, chemical processing, oil and gas, and industrial manufacturing where precise chemical injection is critical. 3G Electric supplies a range of GREENLINE metering pumps with multiple SKUs, each specified with head material, diaphragm material, seal material, fitting material, and voltage compatibility. The pumps are offered with datasheets and logistics support for global procurement. The PVDF head construction provides chemical resistance to acids, bases, and solvents, while the PTFE diaphragm ensures compatibility with a wide pH range. The reproducibility specification of ±2.0% indicates the pump's ability to maintain consistent flow rates over time, which is essential for processes requiring accurate dosing. The electric motor drive allows for variable speed control when paired with appropriate controllers, enabling adjustment of flow rates to match process demands. The pumps are designed for continuous duty in industrial settings, with robust construction to withstand vibration and thermal cycling. 3G Electric's inventory includes models with different fitting materials (PVDF or 316 SS) to match piping system requirements, and seal materials (FKM or PTFE) to optimize chemical compatibility. The brand's focus on diaphragm metering pumps positions it as a reliable choice for applications where pump downtime or leakage can cause safety hazards or production losses. The pumps are typically mounted on baseplates or in skid packages, and they can be integrated into automated control systems via standard electrical connections. For procurement specialists and plant engineers, GREENLINE pumps offer a standardized platform with interchangeable components, simplifying spare parts management and maintenance. The availability of multiple horsepower options allows for scaling of dosing capacity without changing pump footprint. 3G Electric provides these pumps with full technical documentation, including dimensional drawings and performance curves, to support system design and installation.

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About GREENLINE

GREENLINE is a brand specializing in heavy-duty motor-driven diaphragm metering pumps designed for precise chemical dosing in industrial applications. The product line focuses on electric motor-driven pumps with PVDF (polyvinylidene fluoride) heads, PTFE (polytetrafluoroethylene) diaphragms, and a range of seal and fitting materials including FKM and 316 stainless steel. These pumps are built to handle aggressive chemicals and demanding environments, with reproducibility rated at ±2.0% for consistent metering accuracy. The pumps operate on dual-voltage 115/230V AC power and are available in horsepower ratings from 1/2 hp to 1 1/2 hp, accommodating various flow and pressure requirements. The diaphragm construction eliminates leakage risks associated with packed plunger pumps, making them suitable for hazardous or corrosive fluid handling. GREENLINE pumps are typically used in water treatment, chemical processing, oil and gas, and industrial manufacturing where precise chemical injection is critical. 3G Electric supplies a range of GREENLINE metering pumps with multiple SKUs, each specified with head material, diaphragm material, seal material, fitting material, and voltage compatibility. The pumps are offered with datasheets and logistics support for global procurement. The PVDF head construction provides chemical resistance to acids, bases, and solvents, while the PTFE diaphragm ensures compatibility with a wide pH range. The reproducibility specification of ±2.0% indicates the pump's ability to maintain consistent flow rates over time, which is essential for processes requiring accurate dosing. The electric motor drive allows for variable speed control when paired with appropriate controllers, enabling adjustment of flow rates to match process demands. The pumps are designed for continuous duty in industrial settings, with robust construction to withstand vibration and thermal cycling. 3G Electric's inventory includes models with different fitting materials (PVDF or 316 SS) to match piping system requirements, and seal materials (FKM or PTFE) to optimize chemical compatibility. The brand's focus on diaphragm metering pumps positions it as a reliable choice for applications where pump downtime or leakage can cause safety hazards or production losses. The pumps are typically mounted on baseplates or in skid packages, and they can be integrated into automated control systems via standard electrical connections. For procurement specialists and plant engineers, GREENLINE pumps offer a standardized platform with interchangeable components, simplifying spare parts management and maintenance. The availability of multiple horsepower options allows for scaling of dosing capacity without changing pump footprint. 3G Electric provides these pumps with full technical documentation, including dimensional drawings and performance curves, to support system design and installation.

Common Applications

  • Water treatment — GREENLINE DM series metering pumps for precise dosing of sodium hypochlorite in disinfection systems
  • Chemical processing — GREENLINE DM7AVFH pump with PVDF head for injecting sulfuric acid in batch reactors
  • Oil and gas — GREENLINE DM4BVAG pump with 316 SS fittings for corrosion inhibitor injection in pipelines
  • Industrial manufacturing — GREENLINE DM2CVFC pump for metering antifoam agents in cooling tower systems
  • Pulp and paper — GREENLINE DM6CVFH pump for adding bleaching chemicals in paper production lines
  • Pharmaceutical production — GREENLINE DM1AVFC pump for controlled dosing of solvents in synthesis processes

Frequently asked questions

Common questions about GREENLINE from 3G Electric.

What materials are used in GREENLINE diaphragm metering pump wetted parts?

GREENLINE heavy-duty motor-driven diaphragm metering pumps feature PVDF (polyvinylidene fluoride) heads, PTFE (polytetrafluoroethylene) diaphragms, and seal materials that are either FKM (fluoroelastomer) or PTFE. Fitting materials are available in PVDF or 316 stainless steel. These materials provide chemical resistance to a wide range of aggressive fluids, including acids, bases, and solvents. The PTFE diaphragm offers low friction and high temperature tolerance, while PVDF head construction resists corrosion and mechanical stress. The choice of seal and fitting materials allows customization for specific chemical compatibility requirements.

What is the reproducibility specification of GREENLINE metering pumps?

GREENLINE diaphragm metering pumps are rated with a reproducibility of ±2.0%. This specification indicates the pump's ability to deliver consistent flow rates over repeated cycles under steady operating conditions. Reproducibility is a key performance metric for metering pumps used in chemical dosing applications where precise control of additive quantities is required. The ±2.0% value means that the actual flow rate will vary by no more than 2% from the set point under stable conditions, ensuring reliable dosing for processes such as water treatment, chemical injection, and industrial manufacturing.

What voltage and power options are available for GREENLINE chemical metering pumps?

GREENLINE heavy-duty motor-driven diaphragm metering pumps are designed for dual-voltage operation at 115/230V AC. The pumps are available with horsepower ratings of 1/2 hp, 1 hp, and 1 1/2 hp, depending on the model. The electric motor drive allows for integration into standard industrial electrical systems. The dual-voltage capability enables use in different regional power grids without requiring a separate transformer. The horsepower rating determines the pump's maximum flow and pressure capacity, with higher horsepower models suitable for higher flow rates or higher discharge pressures.

What types of fittings are available on GREENLINE metering pumps?

GREENLINE diaphragm metering pumps are offered with fitting materials in either PVDF (polyvinylidene fluoride) or 316 stainless steel. PVDF fittings provide chemical resistance to corrosive fluids and are suitable for applications involving acids, bases, and halogens. 316 stainless steel fittings offer higher mechanical strength and are compatible with a broader range of fluids, including those with chlorides or other corrosive agents. The choice of fitting material should be based on the chemical composition of the process fluid and the piping system requirements. Both options are designed to provide leak-free connections and long service life.

How does the diaphragm construction in GREENLINE pumps prevent leakage?

GREENLINE metering pumps use a PTFE diaphragm that separates the process fluid from the pump's mechanical drive components. This diaphragm design eliminates the need for dynamic seals, which are common failure points in packed plunger pumps. The PTFE diaphragm flexes to create a pumping action, ensuring that the fluid remains contained within the head. This construction prevents leakage of hazardous or corrosive chemicals into the environment and reduces maintenance requirements. The diaphragm material is resistant to chemical attack and provides a long service life under normal operating conditions.

What applications are GREENLINE diaphragm metering pumps typically used for?

GREENLINE heavy-duty motor-driven diaphragm metering pumps are used in industrial applications requiring precise chemical dosing. Common applications include water and wastewater treatment for adding coagulants, flocculants, and disinfectants; chemical processing for injecting catalysts, acids, or bases; oil and gas production for injecting corrosion inhibitors or scale inhibitors; and industrial manufacturing for metering additives in processes such as cooling water treatment, boiler feed, and pulp and paper production. The pumps are suitable for handling corrosive, viscous, or abrasive fluids due to their robust material construction.