{{recommendedBannerText}}

Spacer
{{recommendedRegLangFull}}
Continue
USA (EN)
Our Offices
Welch Home
Contact Us
Welch USA Home
DUOSEAL Two Stage Refrigeration 1397B-46
Back to the product list

DUOSEAL Two Stage - Refrigeration
1397B

Item# 1397B-46

Delivery time will be confirmed in the order
Contact Us Request Service, Parts, or Support
Email
Share

Description

Product Details

  • 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 reservoir for extended life and reduced maintenance.

Technical Specification

Product Family Specifications

Model Number
1402B-46
1376B-46
1397B-46
Applications
Service Lithium Bromide absorption chillers to 500 -700 tons, fluorcarbon or ammonia chillers to 100 to 200 tons
Service Lithium Bromide absorption chillers to 1100 tons, fluorcarbon or ammonia chillers to 500 tons
Service Lithium Bromide absorption chillers to 1500 tons, fluorcarbon or ammonia chillers to 1000 tons
Type
DUOSEAL Two Stage - Refrigeration
DUOSEAL Two Stage - Refrigeration
DUOSEAL Two Stage - Refrigeration
Free Air Displacement m3/hr (l/min.) @50Hz
5.6
10.6
17.7
Ultimate Pressure
160
300
500
Maximum Vacuum
1 x 10-4 (1.3 x 10-4)
1 x 10-4 (1.3 x 10-4)
1 x 10-4 (1.3 x 10-4)
Oil Capacity
525
525
400
Motor Horsepower (watts)
2.25
2.5
1.25
Adjustable Vac. / Gas Ballast
Yes
Yes
Yes
Tubing Needed
13/16" ID Hose or 3/4" Flare Fitting
13/16" ID Hose or 3/4" Flare Fitting
1 5/8" ID
Intake Thread NPT
20-Jan
20-Jan
1 1/2" NPT (F) or 1 3/4"-20
ISO Exhaust / Intake Flange
20-Jan
20-Jan
1 3/4" - 20
Overall Dimensions LxWxH in. (cm)
112(51)
156(71)
205(93)
Ship Weight
128(58)
177(81)
224(102)

Downloads

Download here

Products Flyer
Download here

Repair Kits
en-US