Welch DUOSEAL Two Stage - Refrigeration 1402B-46
BVV University has launched!
Click here to learn more.
Your Shopping Cart

It appears that your cart is currently empty!


Manufacturer: Welch Vacuum - Gardner Denver

Welch DUOSEAL Two Stage - Refrigeration 1402B-46

SKU: 1402B-46

Free Ground Shipping over $420

Flat Rate Shipping On Orders Under $420!

Some exclusions may apply.
The following are excluded from this offer:
  • Item(s) that are marked "Ships Separately" on the listing.
  • Hazardous Materials (Alcohols, Lab Chemicals, Butane/Propane, and Cleaning Solvents)
  • Item(s) that BVV™️️️️ recommends ship via Freight (LTL or FTL) due to size/fragility.
  • Large orders and/or combined order weight over 100lbs ship via Freight (LTL or FTL)
  • Free ground shipping only applies to the lower 48 states

Ships Separately

You will earn 0 points for this purchase.

Price Match

Welch DUOSEAL Two Stage - Refrigeration

***Note: This item has a possible 1-2 week lead time depending on stock availability***

Product Details:

  • 115V, 60Hz, 1 Ph with N.Amer, 115V Plug
  • Deep vacuum for fast evacuation and dehydration
  • Durable pump, precision machined
  • Gas ballast for high vapor loads.

Rugged DuoSeal belt-drive vacuum pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for enable positioning.



Model Number 1402B-46
Applications Service Lithium Bromide absorption chillers to 500 -700 tons, fluorcarbon or ammonia chillers to 100 to 200 tons
Type DUOSEAL Two Stage - Refrigeration
Free Air Displacement m3/hr (l/min.) @50Hz 5.6
Ultimate Pressure 160
Maximum Vacuum 1 x 10-4 (1.3 x 10-4)
Oil Capacity 525
Motor Horsepower (watts) 2.25
Adjustable Vac. / Gas Ballast Yes
Tubing Needed 13/16" ID Hose or 3/4" Flare Fitting
Intake Thread NPT 1-20
ISO Exhaust / Intake Flange 1-20
Overall Dimensions LxWxH in.  20" x 12" x 15"
Ship Weight 128(58)