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Farmland Rainwater Harvesting Systems
Farmland Rain Water Harvesting Systems (FLRWHS), a partnership firm was established in 2002 and is exclusively working on developing solutions for rainwater harvesting (RWH). The firm's activities include research and development, plan and design, technical consultancy, geomorphic mapping of soil strata, manufacturing, marketing, and installations of rainwater harvesting systems. Backed by over seventeen years of field experience in both rooftop and surface water recharge, incorporating state-of-the-art green technology, FLRWHS is renowned for its green initiative in conserving natural resources and demonstrates the same by implementing their in-house developed technologies. The firms prime focus is on water and energy conservation and other environment-friendly applications, and in implementing a comprehensive rainwater capture and storage at field level using a proven technology.

The brand name for FLRHS is "Rainy".

History
2002 - 'Rainy' Research & Manufacturing Founded

This firm was Founded in 2002, 'Rainy' Research & Manufacturing originated from experiments on indirect groundwater recharge, leading to the invention of Injection Well Technology (FLRWH). Successful borewell recharge on the founders' farm marked the beginning of a success story in addressing water scarcity.

2003 - First Turnkey Project

Collaborating with IFFCO, the company executed its first major project in Kolar, recharging 650 borewells. Simultaneously, responding to increased demand, 'Rainy' introduced SS304 candle type rainwater harvesting filters.

2004 - Expansion of Network

To reach a broader customer base and promote water conservation globally, 'Rainy' established a vast dealership network. Presently, the company boasts over 131 dealers across India and exports filters to nine countries.

2005 - Launch of 'Rainy' Filters

Recognizing drawbacks in existing rooftop rainwater harvesting (RWH) filters, 'Rainy' introduced a highly efficient, vertical inlet RWH filter with an open-ended drain outlet, addressing issues like clogging and frequent maintenance.

2007 - Self-Cleaning 'Rainy' RWH Filter Launched

Through intensive research and development, 'Rainy' launched a new model featuring a horizontal inlet with a self-cleaning mechanism, enhancing efficiency. Two models were introduced to accommodate different rooftop areas.

2011 - Four New Models of Dual Intensity 'Rainy' Filters

In response to the demand for cost-effective filters, 'Rainy' introduced four new models with a dual intensity mechanism and auto flush out. This innovation allowed for high-efficiency filtration catering to varying intensities of rainfall.

2016 - 'Rainy' Research & Manufacturing Facility in Chikmagalur

Established an in-house research and manufacturing facility in Hadihalli, Chikmagalur. The facility includes hydraulic testing labs, live demonstration areas, an education center, and a manufacturing unit dedicated to rainwater conservation and innovation to combat climate change.

2020 - New Products FL-80 and FL-150 Launched

Resulting from rigorous R&D and unique manufacturing techniques, 'Rainy' introduced FL-80 and FL-150 filters, combining cost-effectiveness, strong performance, and durability. These filters became instant successes, providing high-quality products at affordable prices.

2022 - Segmented Concrete Rings Launched

Introduced innovative segmented concrete rings, replacing conventional ones. This revolutionized the construction industry by facilitating transport and handling. A production plant featuring high-tech machinery was established to improve quality and production speed significantly.

Rainy filters
Rainy filters are specifically designed for rooftop rainwater harvesting, offering a range of five different models tailored to various rooftop areas.

Working Principle
When the rainwater along with dirt & debris flows by gravity through the down take pipes, it enters into the filter and starts rotating in anticlockwise direction at the periphery of the upper housing, this enables it to flow into the SS-304 filter element placed in the lower housing in angular motion at specific speed & velocity, which creates cohesive force at low intensity & centrifugal force at high intensity of rainfall. In both situations, involving low & high intensity of rainfall, the working principle of the filter based on cohesive & centrifugal force respectively, aids the filter element to flush out dirt & debris automatically. The water then passes through the drain outlet and simultaneously diverts clean water into the sump/ recharging well through the clean water outlet, which can be used for reutilization or recharging of groundwater source.