High Pressure Flanges & Pipe Fitting Components

High Pressure Flanges & Pipe Fitting Components

Manufactures high-performance high-pressure flanges and pipe fitting components engineered for critical operating conditions.

Product Introduction

Manufactures high-performance high-pressure flanges and pipe fitting components engineered for critical operating conditions. Designed to exact international standards, our piping components deliver zero-leak sealing, high structural integrity, and long-term reliability under extreme thermal stress, high pressure, and severe mechanical vibration.

 

Complete Range of High-Pressure Flange Solutions

 

Weld Neck Flanges (WNF)
Pressure Class: ASME Class 150 to Class 2500 | PN10 to PN400 | API 2000 to 15,000 PSI
Facing Options: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Male & Female (M&F)
Applications: Subsea pipelines, high-pressure gas facilities, pressure vessels, and boilers.
Blind Flanges (BLRF / BLRTJ)
Applications: Pipeline terminations, equipment isolation, maintenance access points.
Socket Weld Flanges (SW)

Applications: High-pressure hydraulic lines, chemical injection systems, instrumentation piping.
Slip-On Flanges (SO)
Applications: Cooling water systems, low-pressure process lines, general industrial plant piping.

 

Heavy-Duty Industrial Pipe Fittings

 

Pipe Elbows: Long Radius (LR) and Short Radius (SR) forged elbows designed for minimal flow resistance and maximum erosion resistance.
Pipe Tees (Equal & Reducing): High-integrity forged branching fittings offering uniform wall thickness to manage flow turbulence effectively.
Reducers (Concentric & Eccentric): Engineered geometric transitions that prevent fluid entrapment and sustain uniform pressure distribution across changing pipe diameters. 

 

Technical Specifications & Material Selection

 

Material Group

Standard Specs

Common Grades & Alloys

Primary Operating Environment

Carbon Steel

ASTM A105, A350, A694

A105N, LF2 Class 1, F52, F60, F65, F70

General high-pressure oil/gas lines, low-temperature services.

Stainless Steel

ASTM A182

F304/304L, F316/316L, F321, F347

Corrosive chemical media, marine platforms, food processing.

Duplex & Super Duplex

ASTM A182

Duplex 2205 (S31803/S32205), Super Duplex 2507 (S32750)

High-chloride environments, offshore drilling, seawater desalination.

Alloy Steel

ASTM A182

F5, F9, F11 Class 2, F22 Class 3, F91

High-temperature steam, power plants, refinery hydrocrackers.

 

Precision Manufacturing & Quality Control

 

Precision Machining & Sealing Surface
CNC Machined Facings: Precise serration finishes (125–250 AARH or smooth finish) matching exact gasket sealing requirements.
Tight Dimensional Tolerances: Precise bolt-hole pitch circles (PCD) and face dimensions to eliminate field alignment issues.


Quality Assurance & Non-Destructive Testing (NDT)
100% PMI Testing: Positive Material Identification via XRF spectroscopy ensures correct chemical composition before production.
NDT Inspection: Ultrasonic Testing (UT), Magnetic Particle Testing (MT), and Liquid Penetrant Testing (PT) to detect internal and surface flaws.
Mechanical Verification: Tensile, Yield, Charpy V-Notch Impact, and Hardness testing (HB/HRC).
Complete Traceability: Every shipment includes Material Test Reports (MTR) fully compliant with EN 10204 3.1 / 3.2, referencing melt heat numbers, mechanical properties, and test results. 

 

FAQ

 

Q: What types of high pressure flanges can be supplied?

A: High pressure flange options include weld neck flanges, blind flanges, slip on flanges, socket weld flanges, and customized flange designs.

Q: What materials are available for flanges and pipe fittings?

A: Common materials include carbon steel, stainless steel, and alloy steel. The suitable material depends on pressure, temperature, corrosion conditions, and application requirements.

Q: Can customized flange dimensions be manufactured?

A: Yes. Customized sizes, designs, materials, and connection requirements can be produced according to customer drawings or technical specifications.

Q: Which industries use high pressure pipe fitting components?

A: They are widely used in oil and gas, chemical processing, power generation, marine engineering, hydraulic systems, and industrial pipeline applications.

Q: How is flange dimensional accuracy controlled?

A: Critical dimensions such as flange facing, bolt hole position, thickness, and sealing surfaces are controlled through machining and inspection processes.

Q: What standards can the products meet?

A: Products can be manufactured according to common industrial standards or customer-specific requirements, depending on project specifications.

Q: What information is required for quotation?

A: Customers usually need to provide product type, size, pressure rating, material, quantity, standard requirements, and technical drawings if available.

Q: Can you support OEM and bulk orders?

A: Yes. OEM manufacturing and batch production can support distributors, equipment manufacturers, and industrial projects requiring customized components.

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