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Maintenance-free Reverse Osmosis water storage tanks

PA-E® & TankPAC
RO Tanks

PA-E® tanks are a range of high quality storage tanks for reverse osmosis (RO) treated water, and are suitable for domestic and/or light commercial applications.
  • Capacity: 0.5 - 40 gallon | 2 - 150 liter
  • Maximum working pressure: 100 psi | 6.9 bar
  • Pre-charge: 6 psi | 0.4 bar
  • Maximum operating temperature: 120 °F | 50 °C
Constructed of deep-drawn steel domes, PA-E® tanks provide an unparalleled reliability in the reverse osmosis industry.  Featuring brass air valve and O-ring sealed air cap, it will provide many years of service. The tanks are finished with a two-part polyurethane, epoxy-primed paint. PA-E® tanks are constructed of the finest materials available to ensure the tank does not taint the water in any way. As with all GWS products, PA-E® tanks are quality-tested throughout the production process to ensure their structural integrity.

Features & Benefits

  • High-grade Chlorobutyl diaphragm
  • Two-part polyurethane, epoxy-primed paint finish
  • Leak-free, O-ring sealed air valve cap
  • Available in carbon steel, stainless steel, and plasteel™
  • Virgin polypropylene liner
  • Maintenance Free
  • NSF58, CE approved
  • Patented stainless steel water connection
  • Smooth internal construction prevents diaphragm abrasion damage

Product Specifications

Part Number Nominal Volume Shipping Volume Net Weight Gross Weight Height Diameter Base
gal liter lb kg lb kg in cm in cm in cm
Plasteel™
TP-12P 3.2 12 0.84 0.02 7.4 3.36 10.1 4.6 15 38.2 9.5 24.2
TP-16P 4.2 16 1.01 0.03 8.3 3.76 11.2 4.8 15.4 39 9.9 25.1
TP-19P 5 19 1.2 0.03 9.3 4.2 12 5.1 15.7 40 10.9 27.6
Carbon Steel
RO-105 0.5 2 0.13 0.0037 1.98 0.9 1.9 0.8 7.64 19.4 4.96 12.6
TP-4 1.1 4 0.265 0.0075 3.04 1.38 3.46 1.6 9.65 24.5 6.38 16.2
RO-120 2.1 8 0.55 0.016 4.23 1.92 4.85 2.24 11.69 29.7 7.95 20.2
RO-122 3.2 12 0.72 0.02 5.27 2.39 6.08 2.93 13.74 34.9 9.06 23
RO-132 4.8 18 1.03 0.029 6.5 2.95 7.72 3.6 13.82 35.1 10.98 27.9
RO-152 5.6 21 1.36 0.039 7.45 3.38 10.12 4.59 15.4 39 11.4 29
TP-35 9.3 35 1.93 0.055 13.87 6.29 15.74 7.14 18.82 47.8 12.52 31.8 1.77 4.5
RO-1070 15.9 60 3.3 0.093 17.11 7.76 23.17 10.51 22.64 57.5 15.31 38.9 3.94 10
RO-2000 21.1 80 4.5 0.127 27.29 12.38 31.77 14.41 30.35 23.88 15.31 38.9 3.94 10
TP-100 26.4 100 5.7 0.161 38.18 17.32 43.17 19.58 31.65 32.01 16.93 43 5.08 12.9
TP-150 39.6 150 9.9 0.28 66.76 30.28 76.28 34.60 36.22 92.4 20.87 53 5.12 13.6
Stainless Steel
S-800 2 8 0.49 0.01 4.41 2 5 2.27 11.7 29.7 7.9 20.2
S-1800 4.4 18 1.10 0.03 7.69 3.49 8.75 3.97 13.7 11 27.9

Product Certifications

NSF

USA

NSF

USA

CE

Europe

WRAS

United Kingdom

ACS

France

KC

South Korea