In a chain-and-flight collector, a grit collector, a bar screen, a scum removal system, or a flocculator, the chain is often one of the highest-wear components in the system. Conventional cast-iron and fabricated chains stretch, wear, and corrode, which means repeated tank drain-downs, tension adjustments, and full replacements over the life of the plant.

Mega-CHAIN is JMS’s cast stainless steel chain, built on DuraMax® investment-cast technology. JMS is the exclusive provider of DuraMax products in the water and wastewater market. Mega-CHAIN combines DuraMax cast stainless technology with JMS application engineering, equipment integration and aftermarket support.

Each link is investment cast from aerospace-grade, precipitation-hardening stainless steel, roughly twice as hard as conventional cast steel chain, with a full-length reinforcing rib that carries higher pull and shock loads without the stress risers that crack cast and fabricated links. An install-by-hand, non-rotating pin lets one person assemble the chain without pressing, and precise cast tolerances help reduce grit entry into the joint so wear stays low.

When paired with properly selected polyurethane or stainless-steel sprockets, Mega-CHAIN is engineered for a 20-year design life in continuous-duty water and wastewater service. Its long-term durability can help reduce maintenance and replacement frequency across flocculators, scum removal systems, chain-and-flight collectors, grit collectors, elevators, and bar screens. Mega-CHAIN is backed by a 10-year warranty on qualified applications.

Specifications

20 yr
Design life
Continuous duty
10 yr
Warranty
Certified applications
375–415 BHN
Hardness
~2× conventional cast steel
Ultimate strength
CS720S78,000 lb
CS715SS> 50,000 lb
17-4 / 15-5 PH
Material
Precipitation-hardening stainless

Key features

  • Investment-cast, aerospace-grade stainless steel links and pins
  • 20-year design life; 10-year warranty on qualified applications
  • Roughly twice the hardness of conventional cast steel chain
  • Full-length reinforcing rib for greater pull and shock-load strength
  • Install-by-hand, non-rotating chain pin (one person, no press)
  • Runs on polyurethane or stainless steel sprockets with low wear
  • Precise cast tolerances that help reduce grit entry into the joint
  • High-hardness stainless construction for improved wear and abrasion resistance
  • Made in the USA — supports BABA, AIS, Buy American and PA Steel compliance
  • Fully recyclable stainless steel

Built for the long run

Field wear studies on installed chain support the 20-year design life. Detailed case studies are available on request.

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Mega-CHAIN Cast Stainless Steel Chain

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Mega-CHAIN is JMS’s brand for cast stainless steel chain built on DuraMax® investment-cast technology. DuraMax® is a registered trademark of its respective owner. The 10-year warranty (5 years full plus 5 years pro-rated) applies to qualified applications under the manufacturer’s warranty terms; see the full warranty for coverage and limitations. Specifications are subject to change.