# ProTank PV Pressure Vessels

> A premium, industrial-strength range of pre-charged pressure vessels for well water, irrigation, booster and VFD-controlled systems. Deep-drawn steel construction with a virgin polypropylene liner and FDA-compliant butyl diaphragm keeps water contaminant-free, backed by a five-year warranty.

- Page: https://sovereignwater.co.uk/products/protank-pv
- Category: Pressure vessels
- Brand: Sovereign
- Market: the UK (Sovereign Water UK)
- Supply: quote-led. Prices are not published online. Request a quote: https://sovereignwater.co.uk/contact

## Key features

- Nine models from 8 to 160 litres in three form factors: inline, horizontal and vertical
- Factory pre-charged with an O-ring-sealed air valve
- 100% stainless-steel connection prevents leakage and cross-threading
- Virgin polypropylene liner and FDA-compliant butyl diaphragm: no taste, no odour
- Corrosion-free composite base and rust-resistant paint finish
- Certified to NSF/ANSI/CAN 61 and 372, five-year warranty

## Specifications

| Item | Value |
| --- | --- |
| Product series | ProTank PV |
| Nominal volume | 8 to 160 L (2 to 42 gal) |
| Form factors | Inline · horizontal · vertical |
| Max pressure | 10 bar (150 psi) |
| Factory pre-charge | 2.6 bar (38 psi) |
| Connections | 3/4" to 1 1/4" NPT |
| Diaphragm | FDA-compliant butyl |
| Liner | Virgin polypropylene |
| Temperature range | -10 to +90 °C |
| Certification | NSF/ANSI/CAN 61 · 372 |
| Warranty | 5 years |
| Larger sizes | Challenger vessels to 450 L by request |

## Where it is used

- Well & booster systems
- RO permeate buffering
- Irrigation
- Water-hammer arresting

## Downloads

- [ProTank PV datasheet (PDF)](https://sovereignwater.co.uk/datasheets/protank-pv.pdf)

## Contact

- Request a quote or a site survey: https://sovereignwater.co.uk/contact
- Email: sales@sovereignwater.co.uk
- Phone: +44 20 8050 2115