Recirculation device for the freshest water

CFN-20GV

The Flow-Thru Composite Tank, 80 liter / 21.13 gallon vertical model, offers advanced water quality control for constant pressure systems. With GWS’s patented Flow-Thru™ technology, this tank eliminates stagnation by continuously circulating water, ensuring the freshest water possible.

Its corrosion-resistant composite body is both lightweight and durable, making it ideal for use in harsh environments. The tank features a 1.25" NPT connection and operates with a pre-charge pressure of 1.4 bar / 20 psi, providing a reliable and efficient solution for water storage and pressurization in both residential and commercial applications.

  • Commercial water supply systems
  • VFD/VSD controlled pressure boosting system
  • Heating, ventilation, and air conditioning
  • Swimming pools and spas
  • Wet cooling towers
  • Evaporative cooling

MODEL NUMBER: CFN-20GV

Temp Max: 49°C / 120.2°F

Pressure Pre-charge bar: 1.4 bar / 20 psi

Nominal Volume: 80 Liter / 21.13 Gallon

Connection: 1.25" NPT (M)

Color: Gray

Pressure Max: 8.6 bar / 125 psi

Features & Benefits

  • The system avoids colonization taking place as fresh water is constantly forced into the water chamber
  • Available in composite and steel
  • Patented CAD-2 diaphragm technology
  • No stagnation
  • Patented water vane, total recirculation of water
  • Leak-free air valve cap sealed with closed cell foam

Product Certifications

CE

Europe

ACS

France

EAC

Russia

KC

South Korea

WQA

USA

NEW_logo_iso

Downloads

SELL SHEET FLOW-THRU EN

  • Download
  • Download
  • Download
  • Download
  • Download
  • Download
  • Download
  • Download
  • Download
  • Download
  • Download

Related Products

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.
CFB-80LV

Water Movement: Anti-Legionella Pressure Tanks & Adaptors

CFB-80LV

Model number: CFB-80LV
80-liter / 21.13-gallon vertical FlowThru™ composite tank with 1¼" BSPT connection. Built for durability and efficiency with Flow-Thru™ technology. Pre-charged to 1.4 bar / 20 psi.

TEMP MAX: 49°C / 120.2°F

PRESSURE PRE-CHARGE BAR: 1.4 bar / 20 psi

NOMINAL VOLUME: 80 Liter / 21.13 Gallon

CONNECTION: 1.25" BSPT (M)

COLOR: Gray

PRESSURE MAX: 8.6 bar / 125 psi

View Product

We found other products you might like!

Navigating through the elements of the carousel is possible using the tab key. You can skip the carousel or go straight to carousel navigation using the skip links.
CFB-150LV

Water Movement: Anti-Legionella Pressure Tanks & Adaptors

CFB-150LV

Model number: CFB-150LV
150-liter / 39.63-gallon vertical FlowThru™ composite tank with 1¼" BSPT connection. Offers corrosion resistance and water freshness via Flow-Thru™ technology. Pre-charged to 1.4 bar / 20 psi.

TEMP MAX: 49°C / 120.2°F

PRESSURE PRE-CHARGE BAR: 1.4 bar / 20 psi

NOMINAL VOLUME: 150 Liter / 39.63 Gallon

CONNECTION: 1.25" BSPT (M)

COLOR: Gray

PRESSURE MAX: 8.6 bar / 125 psi

View Product
CFB-200LV

Water Movement: Anti-Legionella Pressure Tanks & Adaptors

CFB-200LV

Model number: CFB-200LV
200-liter / 52.83-gallon vertical FlowThru™ composite tank with 1¼" BSPT connection. Lightweight and durable with patented Flow-Thru™ technology. Pre-charged to 1.4 bar / 20 psi.

TEMP MAX: 49°C / 120.2°F

PRESSURE PRE-CHARGE BAR: 1.4 bar / 20 psi

NOMINAL VOLUME: 200 Liter / 52.83 Gallon

CONNECTION: 1.25" BSPT (M)

COLOR: Gray

PRESSURE MAX: 8.6 bar / 125 psi

View Product
CFN-40GV

Water Movement: Anti-Legionella Pressure Tanks & Adaptors

CFN-40GV

Model number: CFN-40GV
150-liter / 39.63-gallon vertical FlowThru™ composite tank with 1¼" NPT connection. Ensures water freshness using patented Flow-Thru™ technology. Pre-charged to 1.4 bar / 20 psi.

TEMP MAX: 49°C / 120.2°F

PRESSURE PRE-CHARGE BAR: 1.4 bar / 20 psi

NOMINAL VOLUME: 150 Liter / 39.63 Gallon

CONNECTION: 1.25" NPT (M)

COLOR: Gray

PRESSURE MAX: 8.6 bar / 125 psi

View Product
CFN-50GV

Water Movement: Anti-Legionella Pressure Tanks & Adaptors

CFN-50GV

Model number: CFN-50GV
200-liter / 52.83-gallon vertical FlowThru™ composite tank with 1¼" NPT connection. Maintains water quality using patented Flow-Thru™ technology. Pre-charged to 1.4 bar / 20 psi.

TEMP MAX: 49°C / 120.2°F

PRESSURE PRE-CHARGE BAR: 1.4 bar / 20 psi

NOMINAL VOLUME: 200 Liter / 52.83 Gallon

CONNECTION: 1.25" NPT (M)

COLOR: Gray

PRESSURE MAX: 8.6 bar / 125 psi

View Product