Rugged Belt Drive Vacuum Pumps l DUOSEAL®
DuoSeal Pumps Rugged oil-seal pumps for a wide variety of vacuum needs, including Schlenk drying lines, freeze drying, degassing, concentrations, distillations, and more. Pulley drive enables low pump rpm operation – reduces friction, oil temperature, and oil degradation. Large oil reservoir minimizes contamination effects and extends maintenance intervals. Use of a cold trap is recommended to protect the pump and enhance vacuum levels. Refrigeration Servicing Pumps Special Welch DuoSeal pumps are fitted with components designed to withstand refrigerant contact. Models 1402B-46 and 1397B-46 include integrated handles.
Pump Range Interactive Catalog
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DuoSeal Pumps Rugged oil-seal pumps for a wide variety of vacuum needs, including Schlenk drying lines, freeze drying, degassing, concentrations, distillations, and more. Pulley drive enables low pump rpm operation – reduces friction, oil temperature, and oil degradation. Large oil reservoir minimizes contamination effects and extends maintenance intervals. Use of a cold trap is recommended to protect the pump and enhance vacuum levels. Refrigeration Servicing Pumps Special Welch DuoSeal pumps are fitted with components designed to withstand refrigerant contact. Models 1402B-46 and 1397B-46 include integrated handles.
Pump Range Interactive Catalog
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DUOSEAL Unmounted PumpDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$10,002.00 CAD$9,651.90
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Belt Kit For 1374 PumpFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of ex..
CAD$110.90 CAD$107.00
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DUOSEAL, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal ..
CAD$11,264.50 CAD$10,870.20
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DUOSEAL, 115V 60Hz 1Ph, FomblinizedDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Ru..
CAD$12,436.40 CAD$12,001.10
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DUOSEAL, PUMP W/O MOTORDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal ..
CAD$10,425.30 CAD$10,060.40
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DUOSEAL, 230/460V 60HZ 3PHDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoS..
CAD$11,597.20 CAD$11,191.20
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DUOSEAL Unmounted PumpDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$6,259.70 CAD$6,040.60
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DUOSEAL, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$7,030.90 CAD$6,784.80
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DUOSEAL, Mounted without motorDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged D..
CAD$6,789.00 CAD$6,551.30
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DUOSEAL for Refrigeration, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor load..
CAD$7,257.60 CAD$7,003.50
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DUOSEAL, 220V 50Hz 1Ph, without CE markDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor load..
CAD$7,635.70 CAD$7,368.40
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Minor Repair Kit, 1376For over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of ex..
CAD$556.40 CAD$536.90
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Major Repair Kit, 1376For over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of ex..
CAD$1,234.90 CAD$1,191.60
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Chemstar Minor Repair KitFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of..
CAD$648.00 CAD$625.30
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Chemstar Major Repair KitFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of..
CAD$1,470.70 CAD$1,419.20
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DUOSEAL, 230/460V 60HZ 3PHDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoS..
CAD$7,567.70 CAD$7,302.80
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CHEMSTAR, 115V 60Hz 1PhFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of e..
CAD$8,285.80 CAD$7,995.70
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CHEMSTAR, 115V 60Hz 1Ph FomblinizedFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. Thes..
CAD$9,404.70 CAD$9,075.50
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CHEMSTAR, Mounted without motorFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These ye..
CAD$7,960.80 CAD$7,682.10
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CHEMSTAR, 100V 60HZ 1PHFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of e..
CAD$8,482.40 CAD$8,185.50
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DUOSEAL Unmounted PumpDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$8,648.70 CAD$8,345.90
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V-Belt Kit For 1397For over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of exper..
CAD$182.00 CAD$175.60
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DUOSEAL, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$9,427.40 CAD$9,097.40
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DUOSEAL, Mounted without motorDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged D..
CAD$9,298.90 CAD$8,973.40
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DUOSEAL for Refrigeration, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor load..
CAD$9,911.20 CAD$9,564.30
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DUOSEAL, 220V 50Hz 1Ph without CE markDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads..
CAD$9,903.70 CAD$9,557.00
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DUOSEAL, Refrigerant Pump, 230V 50 Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loa..
CAD$10,009.50 CAD$9,659.10
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Minor Repair Kit, 1397For over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of ex..
CAD$1,017.20 CAD$981.50
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Major Repair Kit, 1397For over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of ex..
CAD$1,423.90 CAD$1,374.00
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DUOSEAL, 230V, 60Hz 3PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal ..
CAD$10,009.50 CAD$9,659.10
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DUOSEAL Unmounted PumpDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$2,903.10 CAD$2,801.40
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DUOSEAL, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$3,432.40 CAD$3,312.20
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DUOSEAL PUMP MTD 115V, 60HZ 1PH FOMBLINDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads..
CAD$4,384.80 CAD$4,231.30
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DUOSEAL, Mounted without motorDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged D..
CAD$3,311.40 CAD$3,195.50
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DUOSEAL, 115V, 60Hz 1Ph, CSADeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged Duo..
CAD$3,576.00 CAD$3,450.80
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DUOSEAL, 230V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$3,628.80 CAD$3,501.70
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DUOSEAL, 230V 50Hz 1Ph, with CE markDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Ru..
CAD$3,666.80 CAD$3,538.40
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DUOSEAL, 115V 60Hz 1Ph, Exp. Proof MotorDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor load..
CAD$4,551.20 CAD$4,391.90
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DUOSEAL Unmounted PumpDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$4,551.20 CAD$4,391.90
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DUOSEAL, 115V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$4,959.40 CAD$4,785.80
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DUOSEAL, Mounted without motorDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged D..
CAD$4,883.90 CAD$4,712.90
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DUOSEAL, 115V, 60Hz 1Ph, CSADeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged Duo..
CAD$5,420.70 CAD$5,230.90
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DUOSEAL, 230V 60Hz 1PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$5,405.50 CAD$5,216.30
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DUOSEAL, 220V 50Hz 1Ph with Schuko Plug/CE markDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vap..
CAD$5,352.50 CAD$5,165.10
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DUOSEAL, 230/460V 60Hz 3PhDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSe..
CAD$5,791.10 CAD$5,588.40
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CHEMSTAR Unmounted PumpFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of e..
CAD$5,541.60 CAD$5,347.60
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CHEMSTAR PUMP MOUNTED, 115V,60HZ,1PHFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. The..
CAD$5,896.80 CAD$5,690.40
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CHEMSTAR Without MotorFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of ex..
CAD$5,806.10 CAD$5,602.80
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CHEMSTAR, 220V 50Hz 1Ph with Schuko PlugFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs...
CAD$6,380.70 CAD$6,157.30
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CHEMSTAR, 100V 50Hz 1PhFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These years of e..
CAD$6,380.70 CAD$6,157.30
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CHEMSTAR, MOUNTED PUMP 230V, 60HZ, 1PHFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. ..
CAD$6,327.90 CAD$6,106.40
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CHEMSTAR EXPL.PROOF PUMP 1402NFor over 100 years, Welch has been supplying vacuum pumps to fulfill your laboratory vacuum application needs. These yea..
CAD$7,393.80 CAD$7,135.00
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DUOSEAL,PUMP 115/60 1PH EXP PRF MOTORDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.R..
CAD$6,584.80 CAD$6,354.30
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DUOSEAL Unmounted PumpDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal b..
CAD$3,840.50 CAD$3,706.00
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DUOSEAL,MOUNTED PUMP 115V/60HZ 1PHDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugg..
CAD$4,672.20 CAD$4,508.60
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DUOSEAL, PUMP W/O MOTORDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loads.Rugged DuoSeal ..
CAD$4,430.30 CAD$4,275.20
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DUOSEAL, MOUNTED PUMP 115V, 60Hz 1Ph, CSADeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high vapor loa..
CAD$4,967.10 CAD$4,793.20
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DUOSEAL,MOUNTED PUMP 230V 50Hz 1Ph, with CE markDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for high v..
CAD$4,951.90 CAD$4,778.50
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DUOSEAL, MOUNTED PUMP 115V 60Hz 1Ph, Exp. Proof MotorDeep vacuum for fast evacuation and dehydrationDurable pump, precision machinedGas ballast for hi..
CAD$6,131.20 CAD$5,916.60
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