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WELCH Piston Vacuum Pump: 0.333 hp, 1 Phase, 115V AC, 29.8 in Hg Max Vacuum, 2.3 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, 2.3 cfm

The WELCH Piston Vacuum Pump (MPN 2561B-50) is a rocking piston high flow compressor/vacuum pump with 0.333 hp, operating on 115V AC and 1 phase. It delivers a maximum vacuum of 29.8 in Hg and a flow rate of 2.3 cfm.

SKU 3G-OTH-153195

Also listed as: 2561B50 · 2561B 50

Brand
WELCH
Item
Piston Vacuum Pump: 0.333 hp, 1 Phase, 115V AC, 29.8 in Hg Max Vacuum, 2.3 cfm
Category
Rocking Piston High Flow Compressor/Vacuum Pumps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WELCH
Manufacturer Part Number
2561B-50
Type
2.3 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 2561B-50) is a rocking piston high flow compressor/vacuum pump with 0.333 hp, operating on 115V AC and 1 phase. It delivers a maximum vacuum of 29.8 in Hg and a flow rate of 2.3 cfm.

Frequently Asked Questions

What is the WELCH 2561B-50 piston vacuum pump used for?

The WELCH 2561B-50 rocking piston pump is used for high-flow vacuum and compression applications in laboratories, medical equipment, and industrial processes requiring a clean, oil-free vacuum source up to 29.8 in Hg.

What are the specifications of the WELCH 2561B-50 vacuum pump?

The WELCH 2561B-50 is a 0.333 hp rocking piston pump operating on 115V AC, 1 phase. It delivers a maximum vacuum of 29.8 in Hg and a flow rate of 2.3 cfm. The manufacturer part number is 2561B-50.

Where to buy the WELCH 2561B-50 vacuum pump worldwide?

3G Electric supplies the WELCH 2561B-50 piston vacuum pump worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this model.

How to maintain a WELCH rocking piston vacuum pump?

Regularly inspect the inlet filter and replace if clogged. Check for loose fittings and ensure the pump is operated within its rated voltage (115V AC) and ambient temperature. Refer to the WELCH manual for specific service intervals.

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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