Neohydrics
Three-pass hot water generators with imported Italian Riello burners — up to 90 °C, close to 90 % efficient.

Built for the plant floor
- Three-pass design — economiser not required
- Packaged unit
- High combustion efficiency
- Multiple passes on water side ensure low pressure drop across the coil, thereby making more head available for process
- Low heat release rate per unit furnace volume
- Easy conversion to different liquid and gaseous fuels
- Easy access for inspection and cleaning
- Fully automatic unit
- Low system lag and rapid warm up response
- Can attain temperature as high as 90°C at practically no pressure
- Outside the purview of IBR
Hot water, without the boiler house
Neotech's oil- and gas-fired hot water generators, model Neohydrics, are offered in several sizes. The three-pass design and imported world-class Riello burners make them extremely efficient — they operate close to 90 % efficiency — and they are very easy to install, operate and maintain. That is why they are well accepted, and an ideal replacement for electrically heated water systems.
Compact and safe
The unit is compact and skid-mounted, with several safety features for failsafe operation. The control panel's audio-visual alarm system shows clearly what any fault is. Pressurised versions (models NHPI & NHPG) are available in oil and gas firing.
Applications
Technical specification — Neohydrics (NHI oil fired & NHG gas fired)
| Parameter | NH 50 | NH 100 | NH 150 | NH 200 | NH 300 | NH 400 | NH 500 | NH 600 |
|---|---|---|---|---|---|---|---|---|
| Heat outputkcal/hr | 50,000 | 1,00,000 | 1,50,000 | 2,00,000 | 3,00,000 | 4,00,000 | 5,00,000 | 6,00,000 |
| Maximum temperature°C | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Fuel consumption — HSDkg/hr | 5.4 | 10.8 | 16.2 | 21.6 | 32.4 | 43.2 | 54 | 64.8 |
| Fuel consumption — NGNm³/hr | 6.5 | 13.1 | 19.61 | 26.15 | 39.5 | 52.3 | 65.5 | 78.6 |
| Fuel consumption — LPGkg/hr | 5 | 10 | 15 | 20 | 30 | 40 | 50 | 60 |
| Burner control | On / Off | |||||||
| Pressure parts | Outside the purview of IBR | |||||||
| Electric supply | AC 3 phase 415 V ± 6%, 50 Hz ± 3%, 4 wire system | |||||||
| Connected load — burnerkW | 0.2 | 0.2 | 0.25 | 0.25 | 0.5 | 0.5 | 1 | 1 |
| Connected load — water pumpkW | 0.75 | 1.5 | 2.25 | 2.25 | 3.75 | 5.5 | 7.5 | 7.5 |
| Flue gas outletmm | 150 | 200 | 200 | 250 | 250 | 300 | 300 | 350 |
| Water flow rateLPH | 1,500 | 3,000 | 4,500 | 6,000 | 9,000 | 12,000 | 15,000 | 18,000 |
• Pressurised hot water generators available in oil / gas firing — models NHPI & NHPG.
• Calorific value of diesel: 10,400 kcal/kg · NG: 8,500 kcal/Nm³ · LPG: 11,500 kcal/kg.
What comes with every unit
The standard supply package, the controls and safeties fitted as standard, and what we need at site, as listed in Neotech's scope of supply.
Standard scope
- Complete Hot Water Generator Body having insulated casing with multi pass coils and having three passes on flue gas side as to have one radiant and three convective heat transfer.
- One burner assembly of monoblock design and suitable for Natural gas/ LPG firing. The Burner will be an Imported Italian Burner with total controls for fully automatic operation and safeties for totally safe operation, along with gas train.
- Complete pre-wired Control Panel with pan-alarm system centralised, indicators for pressure and temperature readings. Necessary controls like temperature controllers, pressure switches, overload relays, etc. with internal wiring.
- Centrifugal Air Cooled type Hot Water Circulating Pump set with TEFC motor.
Battery limits
Fuel
- Inlet of Gas filter.
Water
- Suction of water circulating pump, discharge of circulating pump. Inlet of heater and outlet of Heater.
Electrical
- Terminal connections in control panel and circulating pump motor.
Air & Flue Gas
- Suction of blower, flue gas outlet on heater body
Get a quotation for Neohydrics
Tell us the duty, the fuel available and your location. An engineer will call back with a selection and a price, usually within one working day.
- Office: +91 22 2859 0678
- Factory: +91 98210 28660
- sales@neotechboilers.com
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