5 Flanges Manufacturer JS FITTING precision-engineered ASME B16.5 flanges meet global standards. As an ASME B16.5 flanges manufacturer, we use stainless steel (304/316) and carbon steel (A105) for high-pressure and corrosive environments.
Main features: ASME, ISO, and PED-certified quality.
Design possibilities include welding neck, slip-on, blind, and custom flanges.
- Oil, gas, chemical, and power generation companies trust it.
Our comprehensive material testing and 100% dimensional inspections guarantee no flaws.
Advanced CNC and ultrasonic testing provide leak-proof flanges.
Find conventional sizes or unique solutions for complex pipe systems in our ASME-certified catalog.
Decade-old parts join well.
Precision Engineering For over 40 years, we have made durable steel pipe fittings for global infrastructure projects.
Global Standards, Local Dependability All ISO 9001 and CE-certified products pass multi-stage quality inspections for industrial-grade performance in severe conditions.
Smart factory, green practices Modern automated systems with eco-friendly sandblasting and precision coating lines increase output and save waste.
Speed meets capacity Logistics support approximately 30,000 metric tons of annual output to fulfill large requests rapidly.
Shipyards, offshore drilling rigs, and urban development projects need custom corrosion-resistant solutions.
All parts are hydrostatic and ultrasonic checked before shipping.

5 Flanges for Critical Industries JS FITTING is a recognized ASME B16.5 flanges manufacturer for oil & gas, petrochemical, and industrial applications that require precision and durability.
We make flanges from carbon steel, stainless steel, and high-performance alloys for unrivaled resilience to harsh pressures and corrosive environments.
All products meet ASME/ANSI standards and are supported by: ISO 9001, API monogram certifications Strong testing: Hydrostatic validation, dimensional accuracy checks Customization: Project-specific specs We prioritize seamless pipeline, valve, and pressure system integration as a leading ASME B16.5 flange manufacturer.
While strengthening infrastructure or starting new projects, our flanges ensure leak-proof performance under the hardest conditions.
Teaming with JS FITTING offers: - Global shipment with verifiable logistics - Competitive cost without compromising quality Contact us to discuss reliability-intensive projects or seek a quote.
Discover the perfect mix of technical expertise and value-driven service.
Our precision engineering and cost-effective performance ensure reliability in challenging industrial situations.
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