Flanges A reputable carbon steel reduction weld neck flange manufacturer, JS FITTING produces durable piping components for harsh situations.
Durable and precision-engineered, our flanges work well in oil, gas, and industrial applications.
ISO-9001 and API-certified quality control is applied to every product.
Advanced machining and material traceability ensure worldwide standards.
We customize dimensions, pressure ratings, and finishes for conventional or unique solutions.
For 20 years, we've earned trust from clients in 30+ countries with on-time delivery and technical knowledge.
From high-pressure systems to corrosive situations, our carbon steel reduction weld neck flanges exceed expectations.
Work with an innovative, reliable manufacturer.
Discover how our solutions can improve your projects and reduce downtime and maintenance.
manufacturing expertise has advanced oil & gas, shipbuilding, and construction industries for over 40 years.
Quality assurance you can trust ISO 9001, CE, and GOST-R requirements require 12-stage quality inspections on every pipe fitting.
Outside inspectors verify material strength and corrosion resistance.
Environmentally Friendly Production Traditional 328-foot coating lines use 40% more energy than automated ones.
Recycling sandblasting media reduces pollution.
High-volume efficiency Four 24/5 workshops make flange connectors for 500+ projects annually.
Live tracking assures bulk shipments reach European ports in 28 days.
### Future-Ready Infrastructure AI-driven inventory systems optimize elbow, tee, and reducer stock levels.
Custom packaging prevents maritime and land transit damage.
Advanced robotic welding aligns extreme temperature fittings millimeter-perfect.
Smooth global distribution aids large-scale infrastructure development.

Flange Reduction Precision Engineering for Complex Systems High-pressure pipelines use carbon steel reduction weld neck flanges to join pipes of different sizes.
These components are made by JS FITTING employing modern forging methods to provide uniform grain structure and thermal stress resistance.
Hydrostatic testing and dimensional verification comply with ASME B16.5 and ISO 9001 for each flange.
Certification for Industrial Needs Oil and gas refineries and chemical processing plants need flanges that can tolerate high temperatures and corrosion.
API 6A and NACE MR0175-certified JS FITTING products are appropriate for sour service.
Third-party inspections ensure raw steel-to-finished product traceability and integrity.
Custom Fabrication for Specific Needs From 1/2" to 24", custom reduction weld neck flanges can withstand 150# to 2500# pressure.
JS FITTING handles RTJ and raised face profiles and non-standard bore configurations.
Clients obtain customized power generating, water treatment, and offshore platform solutions without minimum orders.
Seamless Critical Infrastructure Integration These flanges reduce turbulence in hydrocarbon transport and steam distribution networks with smooth pipe section transitions.
Machined bevels prepare welds, and pre-drilled bolt holes simplify installation in tight industrial spaces.
Durability and exact alignment reduce petrochemical plant maintenance downtime.
Diameter transition connections ensure system integrity during operational changes.
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