Choosing an agricultural ozone generator starts with three answers: your peak flow in m³/h, where that water comes from, and how it reaches the crop. This sizing hub turns those answers into a shortlist from the GW-50G range, where the 50 g/h variation is the model rated for mid-size irrigation flow, so you can request an irrigation water ozone generator quote with a defined specification instead of a guess.
Find your row (peak flow in m³/h and the same figure in L/hr), then read across to the water source closest to yours. Each cell gives the output variation to start from and the one caveat that usually changes the quote.
| Flow band | Clean well / borehole | Pond or reservoir (organics) | Recycled / high-load wash water |
|---|---|---|---|
| Under 5 m³/hunder 5,000 L/hr | 20 g/hSmallest variation listed — start here, then confirm the dose against your target residual. | 30 g/hOrganics consume ozone before it reaches the line, so step up one variation. | 30–50 g/hPre-filter first and confirm the final output on a water sample. |
| 5–8 m³/h5,000–8,000 L/hr | 30 g/hStill below the published 50 g/h flow range, so the smaller variation is the honest quote. | 50 g/hTreat 50 g/h as the starting point once organics are present in the source. | 50 g/h + pre-filtrationHigh load strips residual; ask for the pre-filter requirement with the quote. |
| 8–10 m³/h8,000–10,000 L/hr | 50 g/h · GW-50GThe published match: 8,000–10,000 L/hr at 80–100 mg/L concentration. | 50 g/h · GW-50GKeep the 50 g/h model, add pre-filtration ahead of injection and monitor residual. | 80 g/hStep up one variation — the 50 g/h figure assumes the cleaner water case. |
| 10–16 m³/h10,000–16,000 L/hr | 80 g/hAbove the published 50 g/h range, so quote the 80 g/h variation. | 80 g/hPair with pre-filtration and confirm contact time in the line before ordering. | 100 g/hTop of the listed range; confirm against a water analysis rather than a peak figure. |
| Above 16 m³/habove 16,000 L/hr | 100 g/hLargest listed variation; check it covers your peak, not your seasonal average. | 100 g/h + second unitPeak-season flow often needs two units in parallel rather than one oversized unit. | Two units in parallelShared duty across units; ask about staged commissioning as the farm expands. |
50 g/h pairs with 8,000–10,000 L/hr, water-cooled, at 80–100 mg/L concentration. That pairing is the only flow figure published in the GW-50G specification table, so every other cell above is a starting point the sizing team confirms against your water analysis, target residual and contact time. Output variations listed on the product page are 20, 30, 50, 80 and 100 g/h.
Size up when the water is turbid or the flow swings. Pond-fed and recycled sources carry an organic load that uses ozone before it reaches the drip line, and peak irrigation season rarely matches a January flow test. Take the upper band and gain the headroom.
Size down only when something is measuring the result. A lower output is defensible when an ORP or residual monitor sits downstream and confirms the dose is actually being delivered at the far end of the line. Without that instrument, downsizing is a hope rather than a decision.
When in doubt, quote the next band up. An under-specified unit is expensive twice: once at purchase and again when it fails to hold residual on a hot week. An extra 20 g/h of headroom costs far less than a second round of freight, pipework and commissioning.
Send your peak flow, water source and target residual to the sizing team and get the band confirmed before you order —.
Read this table against the matrix above. If a number here does not match the band you selected, the band wins and the next variation up is your quote.
| Model No. | GW-50G |
|---|---|
| Ozone output | 50 g/h (variations listed: 20, 30, 50, 80 and 100 g/h) |
| Rated water flow | 8,000–10,000 L/hr |
| Ozone concentration | 80–100 mg/L |
| Air flow | 10 L/min |
| Cooling way | Water-cooled, 0.3 × 0.8 m³/h cooling water |
| Timer | Programmed timer for scheduled ozone release |
| Size | 50 × 40 × 130 cm |
| Warranty | 1 year |
| Listed price band | $1,980.00 – $4,980.00, depending on the variation and configuration quoted |
Four figures decide whether the unit drops into your pump house as planned or starts a second round of plumbing work.
Water cooling is the right choice when the unit runs long daily duty in a warm pump house and you want the ozone tube held at a stable temperature — the manufacturer describes water cooling as protecting tube life and steady output. It is the wrong choice if your site has no reliable cooling water and no drain, because the 0.3 × 0.8 m³/h requirement is part of the specification, not an optional extra.
Before the order is placed, confirm the cooling water supply and drain point, the mounting surface for a 130 cm tall cabinet, and the electrical supply available at that wall. Voltage and ambient temperature limits are not published in the specification table, so put both questions to the supplier and get the answer in writing with the quote.
Ask About Site RequirementsThe same 50 g/h model is quoted into very different pipe layouts. Each card pairs a product fact from the specification with the decision that fact should trigger.
Work through these eight items before the quote is signed. Each one has changed a farm's model choice at least once.
Send peak flow in m³/h, the water source, and your target residual. The sizing team will confirm the output variation, cooling arrangement and controls — custom output and control configurations are available for larger or multi-zone farms.
Keep adjacent product options together for a faster catalog comparison.
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