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WELCH Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 10.6 cfm Free Air Displacement - Commercial & Industrial Refrigeration Service Rotary Vane Vacuum Pumps
WELCHCommercial & Industrial Refrigeration Service Rotary Vane Vacuum Pumps

WELCH Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 10.6 cfm Free Air Displacement

The WELCH Vacuum Pump: 1 hp is a commercial and industrial refrigeration service rotary vane vacuum pump, model 1376B-46. It operates on 115/230V AC, single-phase power, with a free air displacement of 10.6 cfm and…

SKU 3G-OTH-136004

Also listed as: 1376B46 · 1376B 46

Brand
WELCH
Item
Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 10.6 cfm Free Air Displacement
Category
Commercial & Industrial Refrigeration Service Rotary Vane Vacuum Pumps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

WELCH
Manufacturer Part Number
1376B-46
Type
1376B-46
AC
115/230V
Phase
1
Free Air Displacement
10.6 cfm

Technical Documents

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WELCH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WELCH Vacuum Pump: 1 hp is a commercial and industrial refrigeration service rotary vane vacuum pump, model 1376B-46. It operates on 115/230V AC, single-phase power, with a free air displacement of 10.6 cfm and NPT connections.

Frequently Asked Questions

What is the WELCH 1376B-46 vacuum pump used for?

The WELCH 1376B-46 is a rotary vane vacuum pump designed for commercial and industrial refrigeration service. It is used to evacuate refrigerant lines, remove moisture and non-condensables from HVAC/R systems, and pull deep vacuum during installation or repair of refrigeration equipment.

What are the specifications of the WELCH 1376B-46 vacuum pump?

The WELCH 1376B-46 vacuum pump has a 1 hp motor, single-phase power, and operates on 115/230V AC. It delivers 10.6 cfm free air displacement and features NPT connections. The manufacturer part number is 1376B-46, and it is a rotary vane pump for refrigeration service.

Where to buy the WELCH 1376B-46 vacuum pump worldwide?

3G Electric supplies the WELCH 1376B-46 vacuum pump worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this model.

How to maintain a WELCH rotary vane vacuum pump?

Regular maintenance includes checking and changing the pump oil per the manufacturer's schedule, inspecting the inlet filter and exhaust valve, and ensuring proper ventilation. Always operate the pump within its rated voltage (115/230V AC) and avoid running it with contaminated oil to extend service life.

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 commercial & industrial refrigeration service rotary vane 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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