Frequently Asked Questions

Common questions about our products, installation and support. Can't find your answer? Contact us directly.

RainGun & Sprinkler Irrigation

What HP motor do I need for raingun irrigation?

As a general guide:

  • 50 cents to 1 acre: 1.5 – 2 HP single-phase
  • 1 to 5 acres: 3 – 5 HP single or three-phase
  • 5 to 10 acres: 7.5 – 10 HP
  • Above 10 acres: 12.5 – 40 HP depending on system design

The exact HP also depends on the depth of your water source and the length of pipe run. Contact us for a free recommendation based on your specific land and water details.

Yes. Our raingun systems work with single-phase 220V motors from 1 HP up to 5 HP. For larger installations (5+ HP), three-phase connection gives better efficiency. If three-phase is not available, we offer diesel engine and power tiller alternatives.

Coverage depends on the gun model and water pressure:

  • Small guns (1.5–3 HP): 20–30 metre radius (covers ~0.2–0.3 acres per position)
  • Medium guns (5–7.5 HP): 35–50 metre radius
  • Large guns (10–40 HP): 60–90 metre radius

For best results, the gun is moved to multiple positions to cover the entire field uniformly.

With a 3 HP raingun system giving adequate coverage, 1 acre can typically be irrigated in 1–1.5 hours depending on soil type and crop water requirement. Higher HP systems cover the same area faster. Our team can calculate exact timing and water application rates for your crop and soil conditions.

Yes. Rainguns are very effective for dust suppression on construction sites, mines, quarries, road works and stock yards. We offer purpose-built dust control systems with high-pressure misting for industrial dust suppression.

Chaff Cutter & Feed Processing

Key advantages of Thumba High Speed Chaff Cutter Cum Pulverizer:

  • Dual-purpose: cuts fodder AND pulverizes cereals
  • Speed: 3,000–4,000 cuts/minute (vs. slow-speed conventional)
  • Hardened blades: sharpen once in 6 months (conventional: weekly)
  • Self-feeding: machine never pulls operator's hands (conventional gear-driven pull is a safety risk)
  • India's only single-phase 2 ton/hr model
  • Low vibration for comfortable long-duration use
Up to 20 animalsSingle Phase 2 Ton/Hr model
20–50 animalsThree Phase 3 Ton/Hr model
50–100 animalsThree Phase 6 Ton/Hr model
100+ animalsThree Phase 15 Ton/Hr model
No electricityDiesel Engine or Power Tiller model

Yes. The Thumba machine is a "Chaff Cutter Cum Pulverizer" — it easily disintegrates maize, wheat, grams, groundnuts and other cereals in addition to cutting green and dry fodder. The high-speed blade design makes it effective for both soft and hard materials.

Thumba chaff cutter blades are made from hardened ferrous alloy and need sharpening only once every 6 months under normal use. Conventional chaff cutter blades require sharpening every week, making Thumba's blades a significant maintenance cost saving.

Dairy Dung Cleaning Pump

The 1.5HP model cleans a 20-animal shed in 7 minutes using only 400 litres of water. The 2HP model handles 50-animal sheds in 10 minutes. For very large farms (100–1,000 animals), multiple pumps can run simultaneously.

Both models run on single-phase 220V AC — the standard domestic supply available across all of India. No three-phase connection is needed. The 1.5HP model draws less than 1.5 kW and is compatible with standard household wiring.

Yes. The pump kit includes two nozzles: a high-pressure floor wash nozzle and a gentle animal wash shower nozzle. The shower nozzle is mild enough for comfortable animal bathing and the massage effect has been found to improve milk yield in dairy cattle.

A standard 1,000-litre water tank (concrete or plastic) is sufficient for both models. The submersible pump sits inside the tank and is connected to the flexible high-pressure hose via quick-release fittings. For sheds longer than 100 feet, a permanent PVC main line with multiple quick-release outlets can be installed.

General & Support

Yes. Thumba Agro Technologies exports to 12+ countries including Sri Lanka, Bangladesh, Nepal, Myanmar, Malaysia, UAE, Saudi Arabia, Kenya, Nigeria and other African and South-East Asian nations. Contact us with your country and product requirements for an export quote.

Yes. Our technical team provides:

  • Detailed installation guides and diagrams with every product
  • On-site commissioning support for customers in South India
  • Operator training at installation time
  • Remote guidance via phone and video call for customers in other states

Call +91 98433 35703 to schedule installation support.

Warranty terms vary by product. Pumps and motors are covered by the respective manufacturer's warranty (typically 1 year). Chaff cutters and mechanical equipment carry a 6-month to 1-year warranty on manufacturing defects. Please check the specific product page or contact us for exact warranty details on the product you are interested in.

You can reach us through any of these channels:

We respond to all enquiries within 1 business day.

Yes. We design and supply complete irrigation systems, dust control installations and dairy equipment setups tailored to the specific land area, crop, water source and budget of each customer. Our engineers can visit the site (in South India) or design remotely based on your inputs. Send us your project details and we'll prepare a free proposal.

Still Have Questions?

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