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Threaded Flange – Leak‑Tight, No‑Weld, ASME B16.5

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Threaded Flange is a key solution in the General equipment manufacturing industry industry, specifically within Valves and pipeline fittings and flange. This article explores how HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . supports professionals with durable, high-performance products, and explains why this product is an ideal choice for businesses in these sectors.

Threaded Flange from HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD .

Table of Contents

Threaded Flange Overview

A threaded flange—also known as a threaded pipe flange or flange threaded type—is a mechanical connector with internal threads that mate with externally threaded pipe, creating a pressure-tight joint without welding. In the General equipment manufacturing industry, especially within valves and pipeline fittings, threaded flanges are valued for fast installation, easy maintenance, and safe connections in environments where hot work is restricted. Typical standards include ASME/ANSI B16.5 with thread forms such as NPT per ASME B1.20.1, and optional BSPT/BSPP to suit regional requirements. Common facing types are RF (Raised Face) and FF (Flat Face).

HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . manufactures Threaded Flange products in carbon steel (e.g., ASTM A105/A105N), stainless steel (304/316), and selected alloy steels, typically covering NPS 1/2″–24″ and pressure classes Class 150–600, with higher ratings available on request. Precision CNC threading, controlled surface finish on sealing faces, and stringent dimensional checks ensure consistent fit-up and sealing. With traceable materials (EN 10204 3.1) and optional anti-corrosion coatings, JIUYUAN supports EPCs, OEMs, and distributors seeking dependable, specification-compliant flanges for new builds and MRO.

Benefits & Use Cases of Threaded Flange in flange

Threaded flanges are widely used in low-to-moderate pressure, small-to-medium diameter lines across water and wastewater treatment, HVAC, fire protection, oil & gas utilities, compressed air systems, and chemical dosing/skid packages. Because they do not require welding, they are ideal for brownfield tie-ins, offshore platforms, refineries with hot work restrictions, or temporary spool connections during commissioning. They are also favored for instrument connections, sampling points, and galvanized piping where preserving coatings is important.

  • Speed and safety: No welding, no hot work permits, reduced shutdown time.
  • Service flexibility: Easy removal and reinstallation for inspections or reconfiguration.
  • Global compatibility: NPT and BSP thread options, RF/FF faces, and materials to match process media.
  • Dimensional accuracy: Tight tolerances improve thread engagement and sealing reliability.

Leveraging decades of flange manufacturing know-how, HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . provides engineered support for selection and specification, from material compatibility to face finishes and thread standards. Whether you need a standard threaded flange or a customized flange threaded type with special coatings, stamping, or packaging, JIUYUAN delivers consistent quality and fast lead times for global B2B buyers.

Cost, Maintenance & User Experience

Total cost of ownership for a threaded flange is attractive because it cuts installation labor, eliminates welding consumables, and minimizes permitting and fire-watch costs. For brownfield modifications, the ability to make cold connections can significantly reduce downtime. Over the asset life, reusability and quick disassembly help lower maintenance hours and inventory carrying costs—especially for spares and temporary bypass lines. JIUYUAN’s machining precision reduces rework on site, improving first-time fit-up and sealing consistency.

  • Durability: Robust forging, controlled hardness, and clean thread forms improve fatigue resistance and thread life.
  • Maintenance best practices: Use appropriate sealants (PTFE tape or anaerobic sealant), ensure proper thread engagement, avoid excessive bending loads on the joint, and periodically inspect for corrosion or galling.
  • User feedback: Fabricators and plant maintenance teams value the faster line commissioning and simplified hot-work-free tie-ins, particularly for utility lines and skids.

In the valves and pipeline fittings sector, many operators report reduced site labor and scheduling risks when switching select connections to threaded designs. With JIUYUAN’s consistent quality, documentation, and packaging, B2B buyers can standardize across projects and streamline procurement.

Sustainability & Market Trends in General equipment manufacturing industry

The industry is moving toward safer, cleaner, and more modular construction methods. Threaded flanges support this shift by reducing energy-intensive welding, fumes, and on-site consumables. Tighter emissions rules and hot-work restrictions also favor cold-connection approaches during plant upgrades. At the same time, buyers expect full materials traceability, responsible sourcing, and durable components that extend service life and minimize waste.

HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . aligns with these trends through process optimization, scrap recycling, and documentation practices that support compliant, transparent supply chains. From offering corrosion-resistant materials and protective coatings to providing 3.1 MTRs and customized packaging that reduces damage and rework, JIUYUAN positions your project for both performance and sustainability. As digitalization advances, the company is prepared for data-rich order management and responsive global logistics, ensuring your threaded pipe flange specifications are met consistently and on schedule.

Conclusion on Threaded Flange from HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD .

For B2B decision makers in the General equipment manufacturing industry, the Threaded Flange remains a practical, safe, and cost-effective connector—ideal for fast installation, compliant brownfield tie-ins, and maintenance-ready designs. With rigorous standards, material options, and precision threading, HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . stands out as a reliable partner for both standard and customized flange threaded type requirements.


HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . is located in Mengcun Hui Autonomous County, known as the “Capital of Elbows”, with a registered capital of 10.09 million yuan.pipe fittings and flanges manufacturers The company is equipped with advanced production facilities, strong technical capabilities and strict testing equipment, ranking among the top in the industry for its excellent quality and service.flanges and pipe fittings We have always been committed to technological innovation and improving product quality.flange manufacturer We have passed the ISO9001:2008 quality system certification and the special equipment certification for pressure pipelines. Our company specializes in the production of flanges, elbows, bends, reducers, blind plates, manholes, pipe caps, tees, crosses, socket fittings, power plant accessories, precision casting and threaded joints.pipe fitting manufacturer We also customize various special and difficult pipe fittings.pipe flange|super blog

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