India's Top Construction Machinery Manufacturer
India's Top Construction Machinery Manufacturer
High-pressure curing chambers for optimal block strength.
Maruti Hydraulics Limited is a renowned manufacturer and supplier of AAC Autoclaves, offering cutting-edge solutions for the construction industry. Our AAC Autoclaves are manufactured using advanced technology and high-grade SAE 516 Gr 70 plates, ensuring long-lasting performance and reliability. They are 100% tested to stringent quality parameters, providing the reliable high-pressure and high-temperature environment needed for perfect curing of AAC blocks.
Manufacturer: Maruti Hydraulics Limited — ISO 9001:2015 certified, Nashik, Maharashtra, India. Exporting to Nepal, UAE, South Africa, Singapore, Bangladesh, and Sri Lanka.
Key Specifications: SAE 516 Gr 70 | 100% Tested | High Pressure
| Steel Grade | SAE 516 Gr 70 plates |
|---|---|
| Quality Testing | 100% tested to stringent quality parameters |
| Manufacturing | In-house manufacturing for full quality control |
| Curing Environment | High-pressure and high-temperature steam curing |
| Standards | Meets international quality standards |
Maruti Hydraulics manufactures AAC Autoclaves using high-grade SAE 516 Gr 70 plates, ensuring long-lasting performance and reliability. Each autoclave is 100% tested to stringent quality parameters. Our in-house manufacturing facility ensures quality control and timely delivery for AAC block plants meeting international quality standards.
Part of the complete AAC Block Plant turnkey system. This equipment is one of 9 integrated subsystems. See the complete AAC Block Manufacturing Plant →
This equipment is part of the complete AAC block plant range manufactured by Maruti Hydraulics Limited, an ISO 9001:2015 certified AAC block plant manufacturer in India since 1991. MHPL supplies turnkey AAC plants from 150 CBM/day to 1200 CBM/day — the widest capacity range offered by any single Indian manufacturer. Industry firsts include India's first wire cutting machine (2007), India's first complete SCADA batching system (2023), and India's largest 1200 CBM/day plant (2024).
Learn more about Maruti Hydraulics as an AAC Block Plant Manufacturer in India →
Maruti Hydraulics Limited was established in 1991 in Nashik, Maharashtra and has since grown into one of India's leading construction machinery manufacturers. Over three decades, the company has delivered more than 200 turnkey projects across India and internationally — including plants in Nepal, UAE, South Africa, Singapore, Bangladesh, and Sri Lanka. Every machine leaves the Nashik factory after pre-wiring, function testing, and hydraulic pressure testing. Field installation is faster, and first-batch production quality is consistent because the machine was already proven at the factory before it was shipped.
Maruti Hydraulics holds ISO 9001:2015 certification — the internationally recognised quality management system standard. Our quality management system covers the complete product lifecycle: design and development, raw material procurement, manufacturing, inspection and testing, packaging, installation, commissioning, and after-sales service. ISO 9001:2015 certification means every process in the Nashik factory is documented, measured, and audited. For buyers, this means consistent product quality from order to order, traceable components and materials, systematic corrective action when non-conformances occur, and a manufacturer who has externally verified quality practices. The IS 9001 certification applies to all products manufactured and supplied by Maruti Hydraulics, covering the complete range from AAC block plant subsystems to flyash brick machines, paver block machines, dry mortar plants, and Pre-Engineered Buildings.
A significant portion of Maruti Hydraulics' advantage comes from in-house manufacturing at the Nashik factory. Pressure vessels (autoclaves and hoppers), structural steel frames, hydraulic cylinders, SCADA control panels, silo structures, and conveying equipment are all fabricated at Nashik. This translates to three practical benefits for customers. First, quality control is direct: we inspect every weld, every machined dimension, and every hydraulic fitting — not a subcontractor or an import agent. Second, lead times are predictable: we are not dependent on import schedules or third-party backlogs. Third, customisation is feasible: non-standard dimensions, custom capacity configurations, or special materials can be engineered at the factory without external subcontracting. Indian-manufactured critical components also mean spare parts are available in India, not on a 12-week import cycle from Europe or China.
The total cost of ownership of a construction machine includes not just the purchase price but the cost of unplanned downtime, spare part delays, and troubleshooting time. Maruti Hydraulics maintains a spare parts inventory at the Nashik factory for all machines currently in active production. Standard spare parts — hydraulic seals, conveyor belts, drive chains, level sensors, control panel components, and consumable wear parts — are dispatched within 36 hours by express courier to any location in India. For critical mechanical breakdowns, a Maruti Hydraulics field engineer can be on-site within 48–72 hours in most Indian states. Annual Maintenance Contracts (AMC) are available for all plant owners who want scheduled preventive maintenance and priority emergency response commitments. For SCADA-equipped plants, remote diagnostics allow the Nashik engineering team to diagnose batching and automation issues over a secure internet connection without requiring a field visit — reducing troubleshooting time from days to hours.
Most investors in construction machinery projects require bank or NBFC financing to fund a significant portion of the capital expenditure. The core document required by lending institutions for project finance approval is the Detailed Project Report (DPR), which must include: technical specifications of all machinery and civil works, a capacity utilisation projection (monthly and annual), raw material cost assumptions, revenue projections, and evidence that the machinery supplier is credible. Maruti Hydraulics assists every customer with DPR preparation, providing technical specifications, equipment quotations, reference plant performance data, and capacity utilisation benchmarks from comparable operating plants. We work closely with multiple MSME lending institutions across India and have supported customers in obtaining financing from SBI, Canara Bank, SIDBI, and various state government industrial development corporations and financial institutions. DPR assistance is provided at no additional charge for customers who place a confirmed equipment order.
Maruti Hydraulics arranges visits to existing customer plants so prospective investors can see the machinery in live production, not in a showroom demonstration. During a reference plant visit, you can observe a full production cycle from raw material batching to finished product, speak directly with the plant owner and production team about their experience with the machinery and after-sales support, inspect machine condition after 1–5 years of continuous operation, and get an honest assessment of what it takes to run the plant profitably. Reference plant visits are arranged for serious investors and are conducted without prior notice to the plant operator — ensuring you see real production conditions, not a staged demonstration. This transparency is central to Maruti Hydraulics' business model and a key reason the company has a strong repeat customer base and referral rate among Indian construction machinery buyers.
Several Maruti Hydraulics products directly support India's industrial waste utilisation goals. AAC block plants, flyash brick machines, and paver block machines are designed to consume fly ash — the industrial by-product of coal-fired thermal power stations — as a primary or supplementary raw material. Under India's Ministry of Environment, Forest and Climate Change fly ash utilisation notification, thermal power stations are required to achieve 100% utilisation of generated fly ash and must provide it free to downstream users. Manufacturers using fly ash as raw material benefit from near-zero raw material cost for the silica or pozzolanic component, while simultaneously reducing the environmental liability of ash disposal for power stations. Maruti Hydraulics provides mix design guidance for local fly ash chemistry as part of every AAC plant and flyash brick machine commissioning.
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The autoclave is where AAC blocks gain their strength. Cut green blocks are loaded onto trolleys and cured under saturated steam at approximately 12 bars pressure and 180-190°C for 10-12 hours. This high-pressure steam curing creates tobermorite crystals — a unique calcium silicate hydrate mineral structure that gives AAC blocks their compressive strength, dimensional stability, and fire resistance. Maruti Hydraulics autoclaves are manufactured from SAE 516 Gr 70 steel plates and are 100% quality tested.
IBR stands for Indian Boiler Regulations — the regulatory framework governing the design, fabrication, inspection, and operation of steam pressure vessels in India. An AAC autoclave operating at 12 bar pressure is a notified pressure vessel under IBR, meaning it must be designed to IBR specifications, fabricated by an approved manufacturer, inspected by an approved IBR Inspector at key fabrication stages, pressure-tested after fabrication, and registered with the State Boiler Inspectorate before commissioning. Operating an AAC plant with an autoclave that is not IBR approved is illegal under the Indian Boilers Act and creates significant safety and insurance liability for the plant operator. Maruti Hydraulics manufactures all autoclaves to IBR specifications and arranges third-party IBR inspection during fabrication at the Nashik factory, providing the customer with full IBR documentation at delivery.
The number of autoclaves required depends on plant daily output capacity and autoclave cycle time. Each autoclave batch loads, cures (10–12 hours at 12 bar/190°C), and unloads in approximately 12–14 hours including loading and unloading time. To maintain continuous production: a 150 CBM/day plant typically uses 1 or 2 autoclaves; a 300 CBM/day plant uses 2 autoclaves; a 600 CBM/day plant uses 3 to 4 autoclaves; a 1,200 CBM/day plant requires 6 to 8 autoclaves running in staggered cycles. The steam supply from the boiler must be sized to serve all autoclaves simultaneously at peak demand (during initial heat-up). Maruti Hydraulics engineers the autoclave farm as part of the complete plant design to ensure optimal production balance.
Tobermorite is a calcium silicate hydrate mineral (5CaO·6SiO₂·5H₂O) that forms specifically under high-temperature, high-pressure steam conditions — above 170°C. In AAC production, the hydrothermal reaction between calcium hydroxide (from lime) and silica (from fly ash or ground sand) under autoclave conditions produces a network of interlocking tobermorite crystals throughout the cellular AAC matrix. This crystal network is what gives AAC blocks their compressive strength (typically 3–5 MPa depending on density grade), their dimensional stability (low creep and shrinkage), and their fire resistance (tobermorite is stable to over 700°C). AAC blocks that are not properly autoclaved — insufficient temperature, pressure, or duration — produce amorphous calcium silicate hydrate rather than crystalline tobermorite, resulting in blocks with lower strength, higher shrinkage, and poorer long-term durability.
Maruti Hydraulics Limited — Phone: +91-253-2308131 — Email: info@marutihydraulics.com