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WELCH Piston Vacuum Pump: 0.333 hp, 1 Phase, 115V AC, 29.8 in Hg Max Vacuum, 3.5 cfm - Rocking Piston High Flow Compressor/Vacuum Pumps
WELCHRocking Piston High Flow Compressor/Vacuum Pumps

WELCH Piston Vacuum Pump: 0.333 hp, 1 Phase, 115V AC, 29.8 in Hg Max Vacuum, 3.5 cfm

The WELCH Piston Vacuum Pump (MPN 2581B-50) is a 0.333 hp rocking piston high flow compressor/vacuum pump. It operates on 115V AC, single phase, delivering a maximum vacuum of 29.8 in Hg and a flow rate of 3.5 cfm.

SKU 3G-OTH-153196

Brand
WELCH
Item
Piston Vacuum Pump: 0.333 hp, 1 Phase, 115V AC, 29.8 in Hg Max Vacuum, 3.5 cfm
Category
Rocking Piston High Flow Compressor/Vacuum Pumps
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Technical Specifications

WELCH
Manufacturer Part Number
2581B-50
Type
3.5 cfm, Rocking Pump
AC
115V
Phase
1
Hg Max Vacuum
29.8 in
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WELCH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WELCH Piston Vacuum Pump (MPN 2581B-50) is a 0.333 hp rocking piston high flow compressor/vacuum pump. It operates on 115V AC, single phase, delivering a maximum vacuum of 29.8 in Hg and a flow rate of 3.5 cfm.

Used in

Common applications for WELCH
Industrial vacuum processing — WELCH lubricated rotary vane pumps (e.g., MPN 3041-01) for continuous operation in manufacturing
Refrigeration system evacuation — WELCH commercial refrigeration service pumps (e.g., MPN 1397B-46) for HVAC maintenance
Chemical handling — WELCH chemical duty diaphragm pumps (e.g., MPN 2037B-01) for oil-free vacuum in corrosive environments
Portable field service — WELCH portable diaphragm pumps (e.g., MPN 2050B-01) for on-site vacuum applications
Laboratory vacuum systems — WELCH lubricated rotary vane pumps (e.g., MPN 3016-02) for research and testing
Vacuum pump maintenance — WELCH replacement hoses (e.g., MPN 331040-10) and inlet condensers (e.g., MPN 320016) for system upkeep

WELCH Products

3G Electric supplies WELCH rocking piston high flow compressor/vacuum pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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