We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
WELCH Vacuum Pump: 0.5 hp, 1 Phase, 115/230V AC, 5.6 cfm Free Air Displacement - Commercial & Industrial Refrigeration Service Rotary Vane Vacuum Pumps
WELCHCommercial & Industrial Refrigeration Service Rotary Vane Vacuum Pumps

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

Brand
WELCH
Item
Vacuum Pump: 0.5 hp, 1 Phase, 115/230V AC, 5.6 cfm Free Air Displacement
Category
Commercial & Industrial Refrigeration Service Rotary Vane Vacuum Pumps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

WELCH
Manufacturer Part Number
1402B-46
Type
1402B-46
AC
115/230V
Phase
1
Free Air Displacement
5.6 cfm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

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.

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.

You might also need

Pump Accessories →Valves & Regulation →Motors & Drives →All Products →

Similar products

Matched by specification & description
WELCH Vacuum Pump: 0.5 hp, 1 Phase, 115V AC, 4.2 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3061-01). Key specifications — attr51477: 3061-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH
WELCH Vacuum Pump: 0.5 hp, 1 Phase, 115V AC, 4.2 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3061-01). Key specifications — attr51477: 3061-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH Vacuum Pump: 0.5 hp, 1 Phase, 115V AC, 0.37 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3041-01). Key specifications — attr51477: 3041-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH
WELCH Vacuum Pump: 0.5 hp, 1 Phase, 115V AC, 0.37 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3041-01). Key specifications — attr51477: 3041-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH Vacuum Pump: 0.4 hp, 1 Phase, 115V AC, 0.37 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3021-01). Key specifications — attr51477: 3021-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH
WELCH Vacuum Pump: 0.4 hp, 1 Phase, 115V AC, 0.37 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3021-01). Key specifications — attr51477: 3021-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH Vacuum Pump: 1.1 hp, 1 Phase, 115V AC, 21 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3301-01). Key specifications — attr51477: 3301-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH
WELCH Vacuum Pump: 1.1 hp, 1 Phase, 115V AC, 21 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3301-01). Key specifications — attr51477: 3301-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH Vacuum Pump: 1.1 hp, 1 Phase, 115V AC, 18 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3241-01). Key specifications — attr51477: 3241-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH
WELCH Vacuum Pump: 1.1 hp, 1 Phase, 115V AC, 18 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3241-01). Key specifications — attr51477: 3241-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH Vacuum Pump: 1.1 hp, 1 Phase, 115V AC, 0.37 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3161-01). Key specifications — attr51477: 3161-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.
WELCH
WELCH Vacuum Pump: 1.1 hp, 1 Phase, 115V AC, 0.37 cfm Free Air Displacement, 29.9 in Hg Max Vacuum (MPN 3161-01). Key specifications — attr51477: 3161-01; attr51480: WELCH; attr51504: NPT; attr51550: 115V AC; attr51554: NPT; attr51559: 1.

More from WELCH

View all WELCH parts →
WELCH Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 10.6 cfm Free Air Displacement, 1376B-46. Key specifications — attr51477: 1376B-46; attr51480: WELCH; attr51504: NPT; attr51550: 115/230V AC; attr51559: 1.
WELCH
WELCH Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 10.6 cfm Free Air Displacement, 1376B-46. Key specifications — attr51477: 1376B-46; attr51480: WELCH; attr51504: NPT; attr51550: 115/230V AC; attr51559: 1.
WELCH Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 17.7 cfm Free Air Displacement, 1397B-46. Key specifications — attr51477: 1397B-46; attr51480: WELCH; attr51504: NPT; attr51550: 115/230V AC; attr51559: 1.
WELCH
WELCH Vacuum Pump: 1 hp, 1 Phase, 115/230V AC, 17.7 cfm Free Air Displacement, 1397B-46. Key specifications — attr51477: 1397B-46; attr51480: WELCH; attr51504: NPT; attr51550: 115/230V AC; attr51559: 1.