• Shop Catalog ->
  • Pumps ->
  • Laboport<sup>®</sup> Diaphragm Vacuum Pump 6KNN820-3FT / 6KNN820-3FT-40 (20 L/min)
BRANDS
PRODUCTS
customer-service
USA/CAN800-879-7713
INTL845-770-3200

We promise a 100% secure shopping experience.

  • Visa Mastercard AmEx
Authorize.Net Merchant - Click to Verify

Laboport® Diaphragm Vacuum Pump 6KNN820-3FT / 6KNN820-3FT-40 (20 L/min)

6KNN820-3FT
*6KNN820-3FT
Image for illustrative purposes only, actual product may vary.

The chemically-resistant series N820-3FT diaphragm pumps are Double-Head, oil-free devices used in a wide range of laboratory applications. They transfer and pump down without contamination. The core of these compact pumps is a KNF structured diaphragm. This patented diaphragm was stress-optimized using the Finite Elements method resulting in smaller pump sizes while increasing the service life of the diaphragm. Pump Head - PTFE / Diaphragm - PTFE-Coated / Valves - FFPM
  • Flow Rate (max.): 20 L/min
  • 100% Oil-free transfer
  • Pure transfer, evacuation and compression
  • Highly compatible with vapors and condensation
  • Chemically-resistant, suitable for aggressive or corrosive gases and vapors
  • Pump Head - PTFE / Diaphragm - PTFE-Coated / Valves - FFPM
  • Maintenance-free
  • Environmentally friendly
  • Gas tight, leakage rate approximately 6 x 10-3 mbar x l/s, not tested in serial production
  • Motors with other voltages and frequencies on request
Specifications 6KNN820-3FT 6KNN820-3FT-40
Ultimate Vacuum (Torr):
6.0 8.0
Flow Rate (L/min @ atm pressure): 20 L/min
Operating Pressure:
15 PSI
Connectors for tube (inches ID):
3/8"
Permissable gas and ambient temperature:
+5° to 40°C
Mains:
115V/60Hz
Motor Protection:
IP 44
Wetted Materials:
Pump head - PTFE; Diaphragm - PTFE-Coated; Valves - FFPM
Power:
130 W @ atm pressure
Operating Current:
1.2 A
Weight:
20.5 lbs
Dimensions LxHxW (mm):
with thermal switch and power fuse
 312 / 207 /154
Usually Ships in 5 to 7 Business Days
Item # Item Description Item Price Subtotal Qty
6KNN820-3FT Laboport® Mini Diaphragm Vacuum Pump 6KNN820-3FT - 20 L/min, 6 Torr, PTFE & FFPM $2,780.00 $0.00
6KNN820-3FT-40 Laboport® Mini Diaphragm Vacuum Pump 6KNN820-3FT-40 - 20 L/min, 8 Torr, PTFE & FFPM with PowerDry® $3,813.00 $0.00

* Required Fields

Usually Ships in 5 to 7 Business Days
$2,780.00

* Required Fields

Company Info
My Account
Site Maps
Customer Service
Copyright © 2025 Dakota Instruments, Inc. All Rights Reserved.