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Create a strong vacuum with these one and two-stage pumps. Operating under quiet conditions, these high-powered vacuum pumps are designed to not disturb workers. The devices can be used in various applications such as air or gas sampling, pressure vacuum filtration, precious metal recovery, process control, and pneumatic controls. The powered and non-powered vacuum pumps available are extremely flexible to be compatible with pre-existing instruments.

Create a strong vacuum with these one and two-stage pumps. Operating under quiet conditions, these high-powered vacuum pumps are designed to not disturb workers. The devices can be used in various applications such as air or gas sampling, pressure vacuum filtration, precious metal recovery, process control, and pneumatic controls. The powered and non-powered vacuum pumps available are extremely flexible to be compatible with pre-existing instruments.


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Product Image-54994-050

CHEMSTAR* Vacuum Pump

Description: Handles corrosive gases to pressures below 1 torr. High contamination tolerance and inert components. 1/3hp motor operates at 580rpm. Free air displacement: 25L/min. Tubing: 11.1mm ID. ISO flange size: NW16. Oil capacity: 0.59L. 45.2Lx22.9Wx32Hcm. Weight: 30.8kg. 115V, 60Hz.
Catalog Number: 54994-050
Supplier: Welch Vacuum

Product available on GSA Advantage®


Product Image-12000-548

Model 2027, with Digital Gauge, DryFast Ultra®

Description: Model 2027, with Digital Gauge, DryFast Ultra®
Catalog Number: 12000-548
Supplier: Welch Vacuum
Product Image-EVR340-00-001

RV8 Dual-Mode Vacuum Pump

Description: Direct drive vacuum pump provides high vapor throughput and low vacuum for multiple laboratory applications. Quiet operation. Pumping speed: 195L/minute. Ultimate vacuum: 1mtorr. NW25 inlet/outlet connections. 0.7L oil capacity. 115/230V, 50/60Hz, 550W motor. 47Lx16Wx23H.
Catalog Number: EVR340-00-001
Supplier: Edwards

Irregular Voltage


Product Image-12000-546

DryFast Ultra* Chemical-Duty Self-Cleaning Dry Vacuum System

Description: Digital gauge. 2Torr, oil-free, 2-stage diaphragm pump. Fluorinated plastics on all wetted surfaces. Gas ballast, self-cleaning purge. Free air displacement: 34L/minute. Vacuum: 758.2mmHg. 42.2Lx30.5Wx28.7Hcm. Tubing I.D: 7mm. 115V, 60Hz.
Catalog Number: 12000-546
Supplier: Welch Vacuum

CSA Certified Product available on GSA Advantage®


Product Image-470344-408

HAND VAC PUMP W/GAGE

Catalog Number: 470344-408
Supplier: Wards
Product Image-12000-544

DryFast Ultra* Chemical-Duty Self-Cleaning Dry Vacuum System

Description: Dial gauge. 2Torr, oil-free, 2-stage diaphragm pump. Fluorinated plastics on all wetted surfaces. Gas ballast, self-cleaning purge. Free air displacement: 34L/minute. Vacuum: 758.2mmHg. 42.2Lx30.5Wx28.7Hcm. Tubing I.D.: 7mm. 115V, 60Hz.
Catalog Number: 12000-544
Supplier: Welch Vacuum

CSA Certified Product available on GSA Advantage®


Product Image-470120-990

VAC. PUMP-DRY 1/30 HP 0.39CFM

Catalog Number: 470120-990
Supplier: Welch Vacuum
Product Image-14218-198

ROTOVAP PUMP/CONTROLLER MODEL 2028

Description: Numeric key pad and electronic control valve for precise vacuum settings. Programmable dual set point, timer, memory, repeat function, intake/exhaust traps, 2torr 32L/min corrosion resistant PTFE (oil-Free) diaphragm pump. Automated self-cleaning cycle. 230V/50Hz.
Catalog Number: 14218-198
Supplier: Welch Vacuum

CSA Certified


Product Image-EVR340-00-003

RV8 2-STAGE 230V W/LINE CORD

Catalog Number: EVR340-00-003
Supplier: Edwards

Irregular Voltage


Product Image-54972-709

DUOSEAL* Single-Stage Belt-Drive Vacuum Pump

Description: 1/3hp motor operates at 750 rpm for continuous duty applications. Ultimate pressure: 0.02mm Hg. Free air displacement: 35L/minute. Tubing: 11.1mm I.D. Oil capacity: 0.47L. Shipping weight: 23kg. Dimensions: 45Lx22.8Wx25.7Hcm. 115V, 60Hz, 1Ph.
Catalog Number: 54972-709
Supplier: Welch Vacuum

Product available on GSA Advantage®


Product Image-12000-550

VACUUM SYSTEM WELCH 2027 100V 50/60HZ

Catalog Number: 12000-550
Supplier: Welch Vacuum
Product Image-54993-550

CHEMSTAR* Vacuum Pump

Description: Handles corrosive gases to pressures below 1 torr. High contamination tolerance and inert components. 1hp motor operates at 525rpm. Free air displacement: 300L/min. Tubing: 41.3mm ID. ISO flange size: NW25. Oil capacity: 2.3L. 49Lx31.2Wx39.1Hcm. Weight: 80kg. 115/230V, 60Hz.
Catalog Number: 54993-550
Supplier: Welch Vacuum

Product available on GSA Advantage®


Image Unavailable-54994-126

DryFast* Self-Cleaning Dry Vacuum System*

Description: Oil-less, 2-stage diaphragm pump. Fluorinated plastics on all wetted surfaces. Gas ballast minimizes vapor condensation. Self-cleaning purge. Free air displacement: 34L/minute. Ultimate pressure: 9 Torr. 29.8Lx20.3Wx28.5Hcm. 7mm tubing needed. 115V. CSA.
Catalog Number: 54994-126
Supplier: Welch Vacuum

CSA Certified Product available on GSA Advantage®


Product Image-54994-052

CHEMSTAR* Vacuum Pump

Description: Handles corrosive gases to pressures below 1 torr. High contamination tolerance and inert components. 1/2hp motor operates at 525rpm. Free air displacement: 160L/min. Tubing: 20.6mm ID. ISO flange size: NW25. Oil capacity: 2.1L. 49Lx35.3Wx39.1Hcm. Weight: 58kg. 115/230V, 60Hz.
Catalog Number: 54994-052
Supplier: Welch Vacuum
Product Image-14218-196

ROTOVAP PUMP/CONTROLLER MODEL 2028

Description: Numeric key pad and electronic control valve for precise vacuum settings. Programmable dual set point, timer, memory, repeat function, intake/exhaust traps, 2torr 32L/min corrosion resistant PTFE (oil-Free) diaphragm pump. Automated self-cleaning cycle. 115V/60Hz.
Catalog Number: 14218-196
Supplier: Welch Vacuum

CSA Certified Product available on GSA Advantage®


Product Image-54987-070

DUOSEAL* 1376B-01 Two-Stage Belt-Drive Vacuum Pump

Description: 1hp motor operates at 525 rpm to run cooler and reach lower ultimate pressure with less backstreaming. Elliptical bore design produces a high free air displacement, 300L/minute. Tubing: 20.6mm ID. Oil capacity: 2.37L. 115/230V, 60Hz.
Catalog Number: 54987-070
Supplier: Welch Vacuum

Product available on GSA Advantage®


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