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Threaded Flange – Precision Screwed Connections for Non-Welded Piping custom

Threaded Flange – Precision Screwed Connections for Non-Welded Piping Manufacturers

-- Steady & Reliable Manufacturer --

Material & Process Introduction

Jiangyin Gaoxin Process: Integrated Forging and Precision Screwed Technology Our Threaded Flanges are manufactured utilizing a seamless forging process, which ensures maximum grain structure refinement and superior mechanical strength compared to cast products. Jiangyin Gaoxin utilizes premium forging materials, including carbon steel (ASTM A105), stainless steel (ASTM A182 F304/F316), and specialized alloys. Following near-net shape forging under stringent temperature controls, the flanges undergo critical solution annealing or normalization heat treatment to optimize corrosion resistance and durability. The core of our process lies in high-precision CNC machining. The internal bore is threaded with extreme accuracy to meet international standards such as NPT (ASME B1.20.1) or BSP, ensuring a perfect, leak-proof screwed connection with the matching pipe.

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Threaded Flange Technical Specifications

ParameterSpecification Detail
Material GradeCarbon steel ASTM A105, stainless steel A182 F304/F316
Design StandardASME B16.5, EN 1092-1, DIN, JIS, GB/T, SH, HG
Pressure ClassASME Class 150 - 2500; European PN6 - PN100
Standard Size RangeDN15 - DN600 (1/2" - 24"), larger for bespoke designs
Thread TypeNPT (ASME B1.20.1) or BSP, tapered or straight
InstallationScrewed connection, no on-site welding required

Specification Range

Comprehensive Sizing, Customized Solutions: Meeting International Standards and Bespoke Demands Backed by 35 years of specialized expertise, Jiangyin Gaoxin Pipe Fittings Co., Ltd offers a vast specification range for Threaded Flanges, designed to meet the full spectrum of global engineering project demands. We produce a complete series from Nominal Diameter DN15 to DN600 (1/2" - 24") for standard sizes, and larger for bespoke designs. Our manufacturing pressure ratings cover ASME Class 150 to Class 2500, and European PN6 to PN100. Available bore types include tapered or straight threads. With our advanced in-house capabilities, we supply finished Threaded Flanges certified to rigorous standards such as ASME B16.5, EN 1092-1, DIN, JIS, GB/T, and specific industry norms like SH and HG, ensuring seamless integration into your piping systems.

No-Weld Security Barrier: Four Core Commitments of Jiangyin Gaoxin Threaded Flanges

Choosing Jiangyin Gaoxin’s Threaded Flanges is an investment in a robust safety barrier for non-welded piping systems, ensuring long-term stable operation, especially in hazardous or remote environments. Our Threaded Flanges offer four core commitments.

  • No On-Site Welding Required: they provide a major advantage by eliminating the need for on-site welding, which is crucial in volatile environments where open flames are prohibited.
  • Precision Leak-Proof Threads: the precision CNC-machined threads offer excellent structural integrity and a leak-proof seal when properly installed, handling moderate pressure and thermal conditions.
  • Fatigue & Corrosion Resistance: through optimized forging and heat treatment, we guarantee high material stability, resisting fatigue and atmospheric corrosion.
  • Traceability & Quality Consistency: our rigorous manufacturing traceability mechanism and robust Quality Control (QC) ensure unwavering quality consistency for every single Threaded Flange, upholding our commitment to delivering "Safe and agile non-welded security."

Application Scenarios

Connecting Non-Welded Systems: Serving Critical Industrial Heart in Low-Risk Operating Conditions Jiangyin Gaoxin's Threaded Flanges are widely deployed in connecting the vital industrial heart of non-welded and utility piping systems worldwide. They are the definitive choice for applications where on-site welding is impractical, hazardous, or costly. In the petrochemical and refining sectors, they are frequently utilized in utility lines carrying instrument air, inert gas, or fire protection water where structural integrity is paramount but extreme temperatures are absent. In the power generation industry, our Threaded Flanges serve auxiliary systems, low-pressure steam lines, and water treatment facilities. Furthermore, in commercial construction, pharmaceutical low-temperature processing, food & beverage utility lines, and remote oil & gas transmission stations, Jiangyin Gaoxin Threaded Flanges provide indispensable reliability. Their ease of installation and leak-proof property ensure structural reliability and security, consistently connecting the heart of utility energy worldwide.

  • Q: When should Threaded Flanges be used instead of Weld Neck Flanges?
  • A: Threaded Flanges are preferred where on-site welding is impractical, hazardous or costly, such as in volatile environments where open flames are prohibited, or for smaller-bore, lower-pressure utility piping.
  • Q: What thread standards are supported?
  • A: Our Threaded Flanges are precision CNC-machined to NPT (ASME B1.20.1) or BSP thread standards, in tapered or straight bore configurations, ensuring a leak-proof screwed connection.
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Jiangyin Gaoxin Pipe Fittings Co., Ltd.
About Us
JIANGYIN GAOXIN PIPE FITTINGS CO.,LTD.
Our company is a professional manufacturer of pressure piping components. As Threaded Flange – Precision Screwed Connections for Non-Welded Piping Manufacturers，Our product range covers butt-weld, socket-weld, and threaded pipe fittings, including flanges and customized non-standard parts. These products are widely used in industries such as oil & gas, chemical processing, power generation, shipbuilding, papermaking, metallurgy, pharmaceuticals, and food processing. We manufacture according to standards such as ASME, EN,JIS,DIN,ANSI,GOST, MSS, GB/T,HG, DL, SH, SY,and have a complete range of inspection equipment, a strict quality control system, and various certifications（PED,AD2000,EAC, ABS,BV, DNV,NORSOK M650, ISO9001,ISO14001,ISO45001,etc.）, making us a leader in the industry.

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