Integral Flange
● Long-distance oil & gas transmission pipelines, wellhead supporting equipment, core process pipelines of refineries;
● High-temperature and high-pressure steam pipelines for power stations, main delivery pipelines of boilers;
● Coal chemical industry, hydrogenation units, high-pressure reaction pipelines for large-scale chemical plants;
● Offshore oil and gas platforms, LNG cryogenic transmission pipelines, connecting nozzles of high-pressure pressure vessels.
Product Model
Description
- 产品描述
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Product Overview
Full pressure rating coverage: American standard Class150~2500, Chinese national standard PN16~PN160. IF flanges are standard fittings for high-pressure wellhead equipment complying with API6A specification.
The flange is integrally formed with a tapered long neck. The pipe and flange neck are joined by full penetration groove butt welding.
Core Technical Parameter Table
Parameter Item Parameter Value Abbreviation IF Full Product Name Integral Flange GB Standard Materials Carbon Steel:20#
Alloy Steel:16Mn、20MnMo、15CrMo、12Cr1MoV、14Cr1Mo、12Cr2Mo1、12Cr2Mo1V、12Cr5Mo、10Cr9Mo1VNbN、30CrMo、35CrMo
Low Temperature Steel:16MnD、20MnMoD、09MnNiD
Austenitic Stainless Steel:S30408 (304)、S30403 (304L)、S30409 (304H)、S32168 (321)、S32169 (321H) 、S34778 (347)、S34779 (347H) 、S31608 (316) 、S31603 (316L) 、S31609 (316H)
Duplex Stainless Steel:S22053 (2205)ASTM & ASME Materials Carbon Steel:A105
Low Temperature Carbon Steel (A350):LF2、LF3、LF6
Line Pipe Steel (A694):F52、F60、F65、 F70
Low Alloy Steel (A182):F5、F5a、F9、F91、F92、F11 (Cl.1/2/3)、F22 (Cl.1/3)
Austenitic Stainless Steel (A182):F304、F304L、F304H、F316、F316L、F316H、F321、F321H、F347、F347H
Duplex Stainless Steel (A182):F51 (2205)、F60 (S32205)Sealing Face Type welded seal
PN Pressure Rating (GB Standard) PN2.5 PN06、PN10、PN16、PN25、PN40、PN63、PN100、PN160 PN250 PN320 PN400 Class Pressure Rating (ASME Standard) Class 150、300、600、900、1500、2500 Certifications API/ISO/CE Payment Terms L/C, D/P, T/T Delivery Lead Time 10-30 day Production Capacity 5000TONS/MONTH Applicable Standard The company manufactures flange products complying with international and domestic standards including ANSI B16.5, ASME B16.47/16.48, DIN EN 1092-1/2, JIS B2220, GOST 12821-80, GB/T 9124.1, SH/T 3406, SH/T 3426, SH/T 3425, HG/T 20615 and HG/T 20592. Production Process

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Qualification

Integral Flange
● Long-distance oil & gas transmission pipelines, wellhead supporting equipment, core process pipelines of refineries;
● High-temperature and high-pressure steam pipelines for power stations, main delivery pipelines of boilers;
● Coal chemical industry, hydrogenation units, high-pressure reaction pipelines for large-scale chemical plants;
● Offshore oil and gas platforms, LNG cryogenic transmission pipelines, connecting nozzles of high-pressure pressure vessels.
OUR SERVICE
We offers a wealth of product support resources, including a range of technical and downloadable product manuals to product certifications.
Our Service Product CatalogCOMPANY STRENGTHS
Experience
26 years of professional pipe fittings production and customization experience, with 45 senior technical engineers to support project development.
OEM/ODM
Full support OEM & ODM customization. We produce carbon/alloy/stainless steel fittings with 1000+ specs complying with GB, ASME, DIN, JIS standards.
Reliable Quality
Strict raw material selection & full-process inspection. Our lab equips complete devices for chemical analysis, mechanical test and NDT.
Certification
Possess full authoritative qualifications: ISO triple system, API Spec Q1, national pressure pipeline manufacturing license, EN10204 test certificates available.
Export
Located in Mengcun pipe fittings hub adjacent to Huanghua Port. Products cover all China provinces and export to Southeast Asia, Middle East, South America and more.
Advanced Equipment & Tech
200+ sets of advanced forging, CNC machining and full inspection equipment, annual output reaches 20,000 tons of high-pressure pipe fittings.