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GAST

GAST is a manufacturer of pneumatic components, including air motors, vacuum pumps, compressors, and regenerative blowers, with a history dating back to the early 20th century. The company is known for its oil-free rocking piston compressors, rotary vane pumps, diaphragm pumps, and reciprocating piston units, which are used in industrial, laboratory, and medical applications. GAST products are designed to meet specific performance criteria such as flow rates (cfm), pressure ratings (psi or in wc), vacuum levels (in Hg), and power requirements (hp, voltage, phase). The product range includes single-stage and multi-stage configurations, with options for AC or DC power, and various mounting styles. GAST also offers maintenance kits and replacement parts, such as foam filter kits for regenerative blowers, to support long-term serviceability. 3G Electric supplies a broad inventory of GAST products, including compressors, vacuum pumps, blowers, and parts kits, with datasheets and logistics support for global procurement. The catalog covers units from fractional horsepower (1/8 hp) to higher capacities (0.5 hp and above), with specifications like maximum continuous pressure up to 120 psi, vacuum to 25.5 in Hg, and flow rates from 1.1 cfm to 6.0 cfm. GAST equipment is built to industrial standards, with oil-free options for clean air applications, and is suitable for environments requiring reliable pneumatic power without lubrication contamination. 3G Electric's inventory includes both complete units and service kits, enabling maintenance managers to source replacements for existing installations. The product families represented include laboratory electric air compressors, regenerative blowers, rotary vane compressor/vacuum pumps, reciprocating piston compressors, diaphragm combination units, and parts kits. These are applicable in sectors such as manufacturing, environmental monitoring, packaging, and process control. GAST's design emphasis on durability and performance is reflected in the use of materials like cast iron and aluminum, and in the availability of NPT port connections for integration into existing systems. 3G Electric provides access to technical documentation and part number cross-references, facilitating specification matching and procurement for plant engineers and procurement specialists.

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About GAST

GAST is a manufacturer of pneumatic components, including air motors, vacuum pumps, compressors, and regenerative blowers, with a history dating back to the early 20th century. The company is known for its oil-free rocking piston compressors, rotary vane pumps, diaphragm pumps, and reciprocating piston units, which are used in industrial, laboratory, and medical applications. GAST products are designed to meet specific performance criteria such as flow rates (cfm), pressure ratings (psi or in wc), vacuum levels (in Hg), and power requirements (hp, voltage, phase). The product range includes single-stage and multi-stage configurations, with options for AC or DC power, and various mounting styles. GAST also offers maintenance kits and replacement parts, such as foam filter kits for regenerative blowers, to support long-term serviceability. 3G Electric supplies a broad inventory of GAST products, including compressors, vacuum pumps, blowers, and parts kits, with datasheets and logistics support for global procurement. The catalog covers units from fractional horsepower (1/8 hp) to higher capacities (0.5 hp and above), with specifications like maximum continuous pressure up to 120 psi, vacuum to 25.5 in Hg, and flow rates from 1.1 cfm to 6.0 cfm. GAST equipment is built to industrial standards, with oil-free options for clean air applications, and is suitable for environments requiring reliable pneumatic power without lubrication contamination. 3G Electric's inventory includes both complete units and service kits, enabling maintenance managers to source replacements for existing installations. The product families represented include laboratory electric air compressors, regenerative blowers, rotary vane compressor/vacuum pumps, reciprocating piston compressors, diaphragm combination units, and parts kits. These are applicable in sectors such as manufacturing, environmental monitoring, packaging, and process control. GAST's design emphasis on durability and performance is reflected in the use of materials like cast iron and aluminum, and in the availability of NPT port connections for integration into existing systems. 3G Electric provides access to technical documentation and part number cross-references, facilitating specification matching and procurement for plant engineers and procurement specialists.

Common Applications

  • Laboratory air supply — GAST Oil-Free Rocking Piston Air Compressor (1760408) for clean, oil-free compressed air
  • Material handling — GAST Regenerative Blower (R3105-12) for conveying or aeration in packaging lines
  • Medical vacuum — GAST Rotary Vane Vacuum Pump (AT05-101-G215DX) for suction in clinical or laboratory settings
  • Pneumatic control — GAST Reciprocating Piston Compressor (4LCB-55S-M450GX) for powering actuators in manufacturing
  • Environmental monitoring — GAST Diaphragm Compressor/Vacuum Pump (DOA-P707-AA) for air sampling or gas analysis
  • Mobile equipment — GAST DC Piston Compressor (3HBB-19-M322A) for on-vehicle pneumatic systems

Frequently asked questions

Common questions about GAST from 3G Electric.

What types of GAST compressors are available through 3G Electric?

3G Electric stocks GAST oil-free rocking piston compressors, reciprocating piston compressors, and diaphragm combination compressor/vacuum pumps. These units range from 1/8 hp to 0.5 hp, with flow rates from 1.1 cfm to 4.8 cfm, and maximum pressures from 50 psi to 120 psi. They are available in AC (115V, 230V) and DC (12V) configurations, with single-phase power. The oil-free models are suitable for applications requiring clean, uncontaminated air, such as laboratories and medical devices.

What is the difference between GAST regenerative blowers and rotary vane pumps?

GAST regenerative blowers, like the R3105-12, use a non-contact impeller to generate airflow, providing oil-free operation with pressure up to 55 in wc and vacuum to 50 in wc. They are ideal for continuous-duty applications like aeration or material handling. Rotary vane pumps, such as the AT05-101-G215DX, use sliding vanes to create vacuum or pressure, offering higher vacuum levels (24 in Hg) and flow rates (4.8 cfm) but require lubrication for vane longevity. The choice depends on the required pressure/vacuum range and maintenance preferences.

Are GAST maintenance kits available for specific compressor models?

Yes, 3G Electric supplies GAST maintenance kits, such as the K1039 kit, which includes components like part numbers 106R650-101-N600X and 813MY6. These kits are designed for servicing GAST reciprocating piston compressors and vacuum pumps. They typically contain seals, valves, gaskets, and other wear parts needed for routine overhaul. It is recommended to verify compatibility with the specific model number (e.g., 4LCB-55S-M450GX) before ordering.

What voltage options are available for GAST vacuum pumps?

GAST vacuum pumps from 3G Electric are offered in multiple voltage configurations. For example, the AT05-101-G215DX operates on 115V AC single-phase, while the 3HBB-19-M322A runs on 12V DC. Other models, like the 4LCB-55S-M450GX, support dual voltage (115/230V AC). Always check the product specifications for voltage, phase, and current draw to ensure compatibility with your facility's power supply.

Can GAST diaphragm pumps handle both pressure and vacuum simultaneously?

Yes, GAST diaphragm combination compressor/vacuum pumps, such as the DOA-P707-AA, are designed to provide both pressure and vacuum from a single unit. This model delivers up to 60 psi continuous pressure and 25.5 in Hg vacuum, with a flow rate of 1.1 cfm at 0 psi. They are suitable for applications like medical suction, air sampling, or pneumatic control systems where both functions are needed without separate equipment.

What is the typical lifespan of a GAST oil-free rocking piston compressor?

GAST oil-free rocking piston compressors, like the 1760408 model, are engineered for long service life due to their oil-free design, which eliminates oil degradation and contamination. With proper maintenance, including periodic replacement of piston rings and valves, these units can operate for thousands of hours. The actual lifespan depends on duty cycle, ambient conditions, and adherence to service intervals. 3G Electric offers maintenance kits to support extended operation.