Diaphragm Vacuum Pumps

Diaphragm Vacuum pumps transfer gasses and pull a vacuum through the utilization of a flexible pocket. By using one way valves to prevent backflow and by expanding the vacuum pocket chamber, gas is moved and vacuum is generated. The diaphragm vacuum pump expands and contracts the inside pocked through the rotation of a piston.

Diaphragm Vacuum Pumps use chemically resistant materials such as fluorocarbon. These properties make Diaphragm pumps a very popular choice when it comes to laboratory settings. We carry a wide range of Diaphragm Vacuum Pumps all which are fully setup and ready to go.

DryFast Collegiate Diaphragm PTFE Vacuum Pump, Model 2014, 115V, 40 Torr, 1.2 CFM
Item #: WELCH-2014B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2014B-01, maximum vacuum 40 Torr and 1.2 CFM f...More Info
DryFast Collegiate Diaphragm PTFE Vacuum Pump, Model 2014, 230V, 40 Torr, 1.2 CFM
Item #: WELCH-2014C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2014C-02, maximum vacuum 40 Torr and 1.2 CFM f...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2034, 115V, 9 Torr, 1 CFM
Item #: WELCH-2034B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2034B-01, maximum vacuum 9 Torr and 1 CFM flow...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2034 230V, 9 Torr, 1 CFM
Item #: WELCH-2034C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2034C-02, maximum vacuum 9 Torr and 1 CFM flow...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2037, 115V, 35 Torr, 2.5 CFM
Item #: WELCH-2037B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2037B-01, maximum vacuum 35 Torr and 2.5 CFM f...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2037, 230V, 35 Torr, 2.5 CFM
Item #: WELCH-2037C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2037C-02, maximum vacuum 35 Torr and 2.5 CFM f...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2042, 115V, 2 Torr, 1.2 CFM
Item #: WELCH-2042B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2042B-01, maximum vacuum 2 Torr and 1.2 CFM fl...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2042, 230V, 2 Torr, 1.2 CFM
Item #: WELCH-2042C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2042C-02, maximum vacuum 2 Torr and 1.2 CFM fl...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2044, 115V, 9 Torr, 1.2 CFM
Item #: WELCH-2044B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2044B-01, maximum vacuum 9 Torr and 1.2 CFM fl...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2044, 230V, 9 Torr, 1.2 CFM
Item #: WELCH-2044C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2044C-02, maximum vacuum 9 Torr and 1.2 CFM fl...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2047, 115V, 30 Torr, 2.5 CFM
Item #: WELCH-2047B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2047B-01, maximum vacuum 30 Torr and 2.5 CFM f...More Info
DryFast Diaphragm PTFE Vacuum Pump, Model 2047, 230V, 30 Torr, 2.5 CFM
Item #: WELCH-2047C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2047C-02, maximum vacuum 30 Torr and 2.5 CFM f...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2052, 115V, 1.5 Torr, 2.3 CFM
Item #: WELCH-2052B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2052B-01, maximum vacuum 1.5 Torr and 2.3 CFM ...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2052, 230V, 1.5 Torr, 2.3 CFM
Item #: WELCH-2052C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2052C-02, maximum vacuum 1.5 Torr and 2.3 CFM ...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2054, 115V, 6 Torr, 3.4 CFM
Item #: WELCH-2054B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2054B-01, maximum vacuum 6 Torr and 3.4 CFM fl...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2054, 230V, 6 Torr, 3.4 CFM
Item #: WELCH-2054C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2054C-02, maximum vacuum 6 Torr and 3.4 CFM fl...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2062, 115V, 1.5 Torr, 4.2 CFM
Item #: WELCH-2062B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2062C-01, maximum vacuum 1.5 Torr and 4.2 CFM ...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2062, 230V, 1.5 Torr, 4.2 CFM
Item #: WELCH-2062C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2062C-02, maximum vacuum 1.5 Torr and 4.2 CFM ...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2064, 115V, 6 Torr, 6.1 CFM
Item #: WELCH-2064B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2064B-01, maximum vacuum 6 Torr and 6.1 CFM fl...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2064, 230V, 6 Torr, 6.1 CFM
Item #: WELCH-2064C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2064C-02, maximum vacuum 6 Torr and 6.1 CFM fl...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2067, 115V, 56 Torr, 7.8 CFM
Item #: WELCH-2067B-01
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2067B-01, maximum vacuum 56 Torr and 7.8 CFM f...More Info
High Capacity Diaphragm PTFE Vacuum Pump, Model 2067, 230V, 56 Torr, 7.8 CFM
Item #: WELCH-2067C-02
Welch DryFast Collegiate Diaphragm Vacuum Pump, Model 2067C-02, maximum vacuum 56 Torr and 7.8 CFM f...More Info