WELCH Vacuum Pump: 0.5 hp, 1 Phase, 115/230V AC, 5.6 cfm Free Air Displacement
The WELCH 1402B-46 is a 0.5 hp commercial and industrial refrigeration service rotary vane vacuum pump. It operates on 115/230V AC single-phase power and features NPT connections. This model delivers 5.6 cfm free air…
SKU 3G-OTH-136002
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Product Description
The WELCH 1402B-46 is a 0.5 hp commercial and industrial refrigeration service rotary vane vacuum pump. It operates on 115/230V AC single-phase power and features NPT connections. This model delivers 5.6 cfm free air displacement.
Frequently Asked Questions
What is the WELCH 1402B-46 vacuum pump used for?
The WELCH 1402B-46 is a rotary vane vacuum pump designed for commercial and industrial refrigeration service. It evacuates moisture and air from refrigeration systems during installation, repair, or maintenance, ensuring system efficiency and preventing contamination.
What are the specifications of the WELCH 1402B-46 vacuum pump?
The WELCH 1402B-46 is a 0.5 hp, single-phase vacuum pump operating on 115/230V AC. It delivers 5.6 cfm free air displacement and features NPT connections. The manufacturer part number is 1402B-46.
Where to buy the WELCH 1402B-46 vacuum pump worldwide?
3G Electric supplies the WELCH 1402B-46 vacuum pump to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the genuine WELCH pump for your refrigeration service needs.
How to select the right vacuum pump for refrigeration service?
Select a vacuum pump based on system size and required evacuation speed. For commercial refrigeration, a 0.5 hp pump like the WELCH 1402B-46 with 5.6 cfm displacement is suitable. Ensure voltage (115/230V AC) and connection type (NPT) match your setup.
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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.









