Water Treatment
Reliable Piping Solutions for Municipal & Industrial Water Systems
Industry Overview
From municipal drinking water plants to industrial wastewater treatment facilities, water infrastructure demands piping that combines corrosion resistance with long-term reliability at a competitive cost. TOKO TECH supplies 304/304L and 316/316L stainless steel welded pipes for water treatment applications including filtration, chemical dosing, ozone systems, and sludge handling. Our products meet NSF/ANSI 61 standards for drinking water contact.
Key Challenges
Chlorine & Disinfectant Corrosion
Chlorine gas, sodium hypochlorite, and chlorine dioxide used for water disinfection are highly oxidizing. 316L provides superior resistance over 304L in chlorine contact environments.
Microbiologically Influenced Corrosion
Stagnant water in treatment basins promotes biofilm formation and MIC. Smooth-bore 316L welded pipes with post-weld pickling minimize bacterial attachment and pit initiation sites.
Cost Sensitivity
Municipal water projects are highly cost-competitive. Welded pipe provides 30-50% cost savings versus seamless for large-diameter applications while meeting ASTM A312/A358 quality standards.
Long Design Life
Water infrastructure is designed for 50+ year service life. Proper material selection and quality manufacturing are essential to avoid premature replacement — 304L/316L provides proven longevity.
TOKO TECH Solutions
316L Welded Process Pipe
ASTM A312/A358 TIG-welded 316L pipes from 1/2" to 100" with 100% weld inspection. Ideal for chlorine contact chambers, ozone contactors, and chemical feed systems.
304L Structural & Distribution
Cost-effective 304L welded pipe for structural supports, access platforms, and low-corrosion distribution piping. Available in large diameters with full mill certification.
Sanitary Finish for Drinking Water
Specially finished ID surfaces for drinking water contact applications — meeting NSF/ANSI 61 requirements with documented surface roughness measurements.
Complete Piping Packages
Matching butt weld fittings (elbows, tees, reducers) and flanges to ASME B16.9/B16.5 in the same material grade — ensuring 100% material compatibility throughout the piping system.
Recommended Materials Water Treatment
View detailed chemical composition, mechanical properties, and corrosion resistance data for each recommended grade:
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