Industry Focus

Cement & Steel Plants

Lube oil filtration, pulse-jet dust collector bags, HVAC air filters, expansion joints & vibration isolation for cement plant machinery

330+ days/year continuous operation supported

Dust-resistant filtration products stocked

High-temp expansion joints up to 450°C

Pulse-jet baghouse bags for all cement plant vent points

Complete vibration isolation solutions

Industry Overview

Cement manufacturing is one of the most abrasive and dust-laden industrial environments on earth. Rotary kilns operating at 200–400°C shell temperature, ball mills running continuously for months, and crusher trains generating massive dust clouds place extreme demands on every lubrication, sealing, and piping component. Keshav Enterprises supplies the precision-grade filtration, pulse-jet dust collector filter bags, HVAC air filters, expansion joints, and anti-vibration solutions that keep cement plants running at 330+ days per year.

Key Applications

Multi-stage steam turbine overhauling
Rotor reverse engineering for obsolete spare parts
Dynamic balancing to ISO G1.0 for high-speed rotors
Duplex basket strainers and filter elements supply
Lube oil flushing for high-volume reservoirs
Machine alignment for large frame turbines

Key Challenges We Solve

Extreme Dust & Abrasive Contamination

Cement plants generate 1–3 tonnes of dust per day per kiln. This airborne abrasive enters lube oil systems, breather vents, and filter housings, accelerating wear and causing filter bypass if not properly managed.

Kiln Gearbox Oil Contamination

Rotary kiln gearboxes operate on circulation lubrication systems at ISO VG 220–460. Clinker dust and thermal contamination degrade oil rapidly: high-efficiency filtration is critical to extending oil change intervals and protecting expensive gear sets.

Thermal Expansion in Kiln Exhaust Ducting

Kiln exhaust gas ducts operate at 250–450°C and undergo significant thermal expansion. Without properly designed metallic or fabric expansion joints, duct sections crack, leak, and allow hot gas escape, a safety and efficiency hazard.

Crusher & Mill Vibration

Ball mills, vertical roller mills, and jaw crushers generate intense broadband vibration that transmits through foundations to adjacent equipment and instrumentation, causing fatigue failures and measurement errors.

Products We Supply for Cement & Steel Plants

Lube Oil Filter Elements (Kiln & Mill Gearboxes)

High-efficiency filter elements for kiln gearbox oil circulation systems: removes abrasive clinker particles and wear debris before they damage gear teeth and roller bearings.

Glass fiber fleece media, 6–25 µm fineness
High dirt-holding capacity for dust-laden environments
ISO VG 220–460 synthetic & mineral oil compatible
Beta efficiency ≥200 per ISO 16889

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Duplex Basket Strainers (Cooling Water & Process Lines)

Installed on kiln cooling water systems, compressor water cooling, and raw meal slurry pipelines to protect pumps, heat exchangers, and instrumentation from scale and debris.

SS mesh baskets, 100–1000 µm mesh options
Duplex design: zero-downtime basket cleaning
ANSI 150 to ANSI 600 flange ratings
SS316 for corrosive cooling water service

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Axial Metallic Expansion Joints (Kiln Exhaust Ducts)

Compensates thermal expansion in hot gas ductwork between the kiln, cyclone pre-heater tower, and waste heat boiler, eliminating thermally induced stress cracking in duct sections.

SS321 bellows for high-temperature service
Single and universal (dual-bellows) configurations
Flanged to match existing duct dimensions
Flow liner included to protect bellows from gas erosion

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Rectangular Non-Metallic (Fabric) Expansion Joints

Used in large rectangular ductwork at clinker cooler vent, raw mill fan connections, and electrostatic precipitator (ESP) ductwork, handling misalignment and thermal movement in non-circular sections.

PTFE-coated glass fabric or Nomex composite
Temperature capability to 450°C continuous
Custom-made to rectangular duct dimensions
Bolted frame assembly for on-site installation

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Custom Extruded Rubber Profiles & Seals

Custom extruded rubber damping pads fitted under ball mill drive units, vertical roller mill gearboxes, and crusher bearing housings to isolate and attenuate machinery vibration transmitted to plant structures.

Natural rubber, EPDM, or neoprene compound
Custom cross-section extruded to drawing or sample
Operating temperature -40 to +150°C (EPDM grade)

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Air Breather & Tank Breather Filters (Lube Oil Reservoirs)

Prevents airborne cement dust and moisture from entering lube oil reservoirs through the vent path, the leading cause of premature oil and bearing failure in cement plants.

High-efficiency particulate media + silica gel desiccant
Rated to ISO cleanliness requirements
Colour-change saturation indicator
Direct-mount and remote-mount configurations

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SS Corrugated Flexible Hose Assemblies

High-pressure flexible connections on kiln cooling water inlets, hydraulic slide gate actuators, and compressed air lines: resists heat, pressure, and vibration where rigid piping would fail.

SS316L corrugated inner hose, SS braid reinforcement
Working pressure to 200 bar (selected assemblies)
End fittings: ANSI flanged, BSP/NPT screwed, or hydraulic
Temperature range –196°C to +600°C

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Conical & Y-Type Strainers (Raw Mill & Conveyor Pumps)

Temporary and permanent strainers on raw material slurry pumps, kiln water spray systems, and compressed air supply lines, protecting downstream valves and instruments.

Perforated basket, mesh lining available
Winged or screwed flush plug for cleaning
CS, SS304, SS316 body materials
In stock for rapid dispatch

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Pulse-Jet Dust Collector Filter Bags & Cartridges

Replacement filter bags and pleated cartridge elements for cement plant baghouse dust collectors on kiln exhaust, raw mill vents, clinker cooler, coal mill, packing plant, and silo vent systems: retains fine cement dust and meets emission norms.

Polyester needle-felt (standard) and PTFE membrane (high-efficiency, low-emission)
Anti-static grades for coal mill applications (ATEX)
Cage-compatible dimensions to existing baghouse housing
Pulse-jet cleaning rated at 4–7 bar compressed air

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Pleated Panel Air Filters (Control Room & Electrical Panel HVAC)

Filters for cement plant control room AHUs and electrical panel cooling units: prevents abrasive cement dust from entering sensitive instrumentation, PLCs, and DCS cabinets.