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+91 92318 20839 /
(033) 2241 4414

nationalengg@yahoo.co.in

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+9133 2241 4414 / +91 92318 20839

nationalengg@yahoo.co.in

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Drag Chain & Scraper Chain

Scraper Chain

Designed for the purpose of scrapping of bulk abrasive materials, special hard surface chains for En-masse conveyor / Redler chain conveyor, Scraper Reclaimer conveyor etc, are fabricated ensuring optimum breaking strength from highly ductile materials and available in a variety of forms like forged link chains, block forged chains, pin bushed / pin bush roller chains and heavy duty calibrated & tested round link chains ( IS 3948 / DIN 22252-2 ) and also spares like outboard scraper bar, forged outboard shackle connectors, chain connector with wear pad (ISO 1082).

Wet Scraper Chain Link

We manufacture a wide assortment of Drop Forged Forked Chain Links (76 – 216 mm pitch) for transportation of abrasive material in hot working condition. Mostly incorporated in application like Heavy-Duty Drag Chain Conveyors, Wet Scrapers, Boiler Feeders & Mill Hoppers, Ash Handling Conveyors, ESP Dust Conveyors, En-Masse Conveyors, Reclaimer & Intermediate Carriers etc, the chain links are manufactured from age resistant fine grained heat treatable alloy steel and stainless steel, heat treated to surface hardness more than 550 HV having breaking strength up to 600 N/ SQ mm. Salient note-worthy features of our Chain Links are :

  • Closed die drop forged to attain compact grain construction
  • Inner portion of Fork precisely machined ensuring minimized friction and wear
  • Inside load bearing pivots inductively hardened
  • Case hardened up to RC 55, case depth from 0.7 mm to 1.0 mm for abrasive application
  • Through hardened for higher U.T.S during high tensile application to bear impact load
  • Duly normalized and stress relieved to preserve grain structure to impart optimum breaking strength

Within a complete linear arrangement or loop, flights and scraper blades are usually incorporated at every single or predetermined pitch. These chains can be supplied preassembled with case hardened joint pins and can be smeared with protective coating. Forged Block type Chain Links can also be developed to meet customers’ specification and requirements.

Forged Forked Drag Chain Link & Sprocket Wheel

We manufacture a wide assortment of Drop Forged Forked Chain Links (76 – 216 mm pitch) for transportation of abrasive material in hot working condition.

Drag Chain Feeder Chain

Drag Chain for DCC or DCF Coal Feeder Conveyor, is manufactured with special Alloy Steel with improved wear resistance due to case hardening, suitable for handling adherent and abrasive materials.

ABOUT US
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From a humble beginning in the year 1980, National Engineering Works ventured in the realm of mechanical power transmission engineering and mastered the art of manufacturing precision engineering components and import substitute transmission and conveyor chains. Now with its production unit situated at Howrah, undoubtedly the manufacturing hub of eastern India, National Engineering Works still remains a small scale manufacturing concern.

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  • Home
  • About Us
  • Products
    • Roller Transmission Chain
    • Conveyor Chain
    • Silent Chain & PIV Chain
    • Bucket Elevator Chain
    • Drag Chain & Scraper Chain
    • Round Link Chain & Chain Sling
    • Sprockets & Wheels
    • Gear, Rack & Pinion
    • Lifting Hooks & Shackles
  • Gallery
  • Contact Us
Contact Us

Address : 23, Sankar Ghose Lane, Kolkata - 700006, West Bengal, India

Phone : (033) 2241 4414
(033) 2241 7992
(033) 2257 3749

Mobile : +91 92318 20839

Email : nationalengg@yahoo.co.in
nationalengg@execs.com

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