{"id":28,"date":"2026-05-05T08:59:41","date_gmt":"2026-05-05T00:59:41","guid":{"rendered":"https:\/\/lightgoldenrodyellow-cobra-317366.hostingersite.com\/blog\/top-10-en-1092-1-pn16-pn40-flange-manufacturers-in-1777518172\/"},"modified":"2026-05-05T08:59:41","modified_gmt":"2026-05-05T00:59:41","slug":"top-10-en-1092-1-pn16-pn40-flange-manufacturers-in-1777518172","status":"publish","type":"post","link":"https:\/\/www.jiajiforging.com\/blog\/top-10-en-1092-1-pn16-pn40-flange-manufacturers-in-1777518172\/","title":{"rendered":"Top 10 EN 1092-1 PN16\/PN40 Flange Manufacturers in China (2026 Guide for Azerbaijani & Kazakh Buyers)"},"content":{"rendered":"

Zhejiang Jiaji Forging Co., Ltd., a leading ISO-certified flange manufacturer in China<\/a>, specializes in high-performance EN 1092-1 PN16 and PN40 flanges for oil & gas, petrochemical, and marine industries. With over 15 years of export experience to the Caspian region\u2014including Kazakhstan and Azerbaijan\u2014Jiaji Forging delivers forged flanges that meet EN 1092-1, GOST 33259, and ASME B16.5 standards simultaneously.<\/p>\n

Quick Answer:<\/strong> EN 1092-1 PN16\/PN40 flanges are European-standard flanges rated for 16 bar and 40 bar pressure classes, widely used in the Caspian oil & gas sector. China is the largest global supplier, with top manufacturers offering forged, duplex, and stainless steel options compliant with EN 1092-1 Type 01, Type 11, and Type 13 plate and weld neck designs.<\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Supplier<\/th>\nCountry<\/th>\nKey Products<\/th>\nCertifications<\/th>\nMOQ<\/th>\n<\/tr>\n<\/thead>\n
Jiaji Forging<\/strong><\/td>\nChina<\/td>\nEN 1092-1 PN16\/PN40 flanges, duplex steel, nickel alloy<\/td>\nISO 9001, PED 2014\/68\/EU, CE, GOST, API 6A, ASME<\/td>\n10 pcs<\/td>\n<\/tr>\n
Shanxi Tianbao Group<\/td>\nChina<\/td>\nCarbon steel EN 1092-1 flanges, pipe fittings<\/td>\nISO 9001, API 5L, CE<\/td>\n50 pcs<\/td>\n<\/tr>\n
Jiangsu Yulong Steel Pipe<\/td>\nChina<\/td>\nStainless steel EN 1092-1 flanges, welded pipes<\/td>\nISO 9001, PED, AD 2000<\/td>\n100 pcs<\/td>\n<\/tr>\n
Hebei Jimeng High-Strength Flange<\/td>\nChina<\/td>\nForged EN 1092-1 PN40 flanges, high-pressure<\/td>\nISO 9001, API 6A, GOST<\/td>\n20 pcs<\/td>\n<\/tr>\n
Wenzhou Huaye Stainless Steel<\/td>\nChina<\/td>\nStainless steel EN 1092-1 flanges, duplex 2205<\/td>\nISO 9001, PED, NORSOK<\/td>\n30 pcs<\/td>\n<\/tr>\n
Shandong Zhongji Machinery<\/td>\nChina<\/td>\nCarbon\/alloy steel EN 1092-1 flanges<\/td>\nISO 9001, GOST, CE<\/td>\n100 pcs<\/td>\n<\/tr>\n
Jiangsu Chengde Steel Pipe<\/td>\nChina<\/td>\nEN 1092-1 weld neck flanges, large diameter<\/td>\nISO 9001, API 5L, PED<\/td>\n50 pcs<\/td>\n<\/tr>\n
Liaocheng Xinyi Pipe Fittings<\/td>\nChina<\/td>\nEN 1092-1 plate flanges, slip-on<\/td>\nISO 9001, CE<\/td>\n200 pcs<\/td>\n<\/tr>\n
Hebei Hongrun Pipe Fittings<\/td>\nChina<\/td>\nEN 1092-1 PN16 flanges, carbon steel<\/td>\nISO 9001, API 6A, GOST<\/td>\n100 pcs<\/td>\n<\/tr>\n
Foshan Nanhai Lianxing<\/td>\nChina<\/td>\nStainless steel EN 1092-1 flanges, custom sizes<\/td>\nISO 9001, PED<\/td>\n50 pcs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Top 10 EN 1092-1 PN16\/PN40 Flange Manufacturers in China (2026 Guide for Azerbaijani & Kazakh Buyers)<\/figcaption><\/figure>\n

Introduction: EN 1092-1 Flanges for the Caspian Oil & Gas Market<\/h2>\n

The global flange market is projected to reach $5.44 billion in 2025, growing to $5.82 billion by 2026, driven by massive pipeline expansions in the Caspian region. Kazakhstan’s KazMunayGas 2025\u20132030 plan adds 1,200 km of new pipelines, while Azerbaijan’s SOCAR petrochemical complex expansion demands EN 1092-1 PN40\/PN63 duplex steel flanges. For procurement managers in Baku, Atyrau, and Aktau, selecting the right EN 1092-1 flange manufacturer in China<\/a> is critical for project success.<\/p>\n

EN 1092-1 specifies flanges for PN 2.5 to PN 400 pressure classes, with PN16 (16 bar) and PN40 (40 bar) being the most common for oil & gas applications. Key differences from ASME B16.5 include face dimensions, bolt circle diameters, and pressure-temperature ratings. Chinese manufacturers now dominate global supply, offering competitive pricing and multi-standard compliance.<\/p>\n

Jiaji Forging: Top Supplier of EN 1092-1 PN16\/PN40 Flanges<\/h2>\n

Jiaji Forging<\/a> is a premier Chinese manufacturer of forged EN 1092-1 flanges, serving major Caspian projects including Tengizchevroil (TCO) and NCOC (Kashagan). The company produces flanges in ASTM A182 F51 (duplex 2205), F53 (super duplex 2507), Inconel 625\/825, and 316L stainless steel, all with full traceability. Their EN 1092-1 Type 11 weld neck flanges are certified to PED 2014\/68\/EU Category III\/IV, with Notified Body inspection\u2014essential for EU-bound equipment.<\/p>\n

Jiaji’s advanced forging process delivers 20\u201330% higher tensile strength compared to cast flanges, with superior grain structure. The company’s smart manufacturing facility uses AI quality inspection that reduces detection time from 15 minutes to 2 seconds, and robot welding has cut defect rates by 32%. With a 42% share of custom\/high-end flange orders, Jiaji is the preferred partner for demanding applications.<\/p>\n

Shanxi Tianbao Group: Carbon Steel EN 1092-1 Specialist<\/h2>\n

Shanxi Tianbao Group is a major Chinese producer of carbon steel EN 1092-1 flanges, including PN16 and PN40 plate flanges (Type 01) and blind flanges (Type 05). Their products are widely used in Kazakhstan’s pipeline projects, where GOST 33259 compliance is mandatory. The company holds ISO 9001 and API 5L certifications, with a production capacity of 50,000 tons annually. However, their focus on carbon steel limits their capability for duplex or nickel alloy flanges required in corrosive environments.<\/p>\n

Jiangsu Yulong Steel Pipe: Stainless Steel EN 1092-1 Flanges<\/h2>\n

Jiangsu Yulong specializes in stainless steel EN 1092-1 flanges, including welded and forged types. They offer PN16 and PN40 flanges in 304L, 316L, and 321 grades, with PED and AD 2000 certifications. Their flanges are suitable for SOCAR’s petrochemical expansion, where corrosion resistance is critical. However, Yulong’s MOQ of 100 pieces may be challenging for smaller projects.<\/p>\n

Hebei Jimeng High-Strength Flange: High-Pressure EN 1092-1 PN40<\/h2>\n

Hebei Jimeng focuses on high-strength forged EN 1092-1 PN40 flanges for oil & gas applications. Their products comply with GOST 33259-2015, making them ideal for Kazakhstan’s domestic projects. The company holds API 6A and GOST certifications, with a minimum order quantity of 20 pieces. Jimeng’s flanges are used in Tengizchevroil’s expansion, but their product range is limited to carbon and alloy steel.<\/p>\n

Wenzhou Huaye Stainless Steel: Duplex 2205 EN 1092-1 Flanges<\/h2>\n

Wenzhou Huaye is a leading manufacturer of stainless steel and duplex EN 1092-1 flanges, including PN16 and PN40 types. They produce ASTM A182 F51 (duplex 2205) and F53 (super duplex 2507) flanges with NORSOK M-001 certification, suitable for offshore and marine applications. Their flanges are used in SOCAR’s Caspian projects, where chloride stress corrosion cracking resistance is critical.<\/p>\n

Shandong Zhongji Machinery: Carbon\/Alloy Steel EN 1092-1<\/h2>\n

Shandong Zhongji manufactures carbon and alloy steel EN 1092-1 flanges for pipeline and pressure vessel applications. They hold ISO 9001, GOST, and CE certifications, with a production capacity of 30,000 tons per year. Their flanges are used in KazMunayGas’s pipeline expansion, but their MOQ of 100 pieces may be restrictive for small-scale buyers.<\/p>\n

Jiangsu Chengde Steel Pipe: Large Diameter EN 1092-1 Weld Neck<\/h2>\n

Jiangsu Chengde specializes in large-diameter EN 1092-1 weld neck flanges (Type 11) for high-pressure pipelines. They offer sizes up to DN 600 in PN16 and PN40, with API 5L and PED certifications. Their flanges are suitable for NCOC’s Kashagan project, where large-bore connections are required. However, their focus on large diameters limits availability for smaller flanges.<\/p>\n

Liaocheng Xinyi Pipe Fittings: EN 1092-1 Plate Flanges<\/h2>\n

Liaocheng Xinyi produces EN 1092-1 plate flanges (Type 01) and slip-on flanges (Type 13) in carbon steel. They offer competitive pricing for standard sizes, with ISO 9001 and CE certifications. Their products are used in low-pressure applications in Kazakhstan’s pipeline projects. However, they do not offer stainless steel or duplex options, limiting their suitability for corrosive environments.<\/p>\n

Hebei Hongrun Pipe Fittings: EN 1092-1 PN16 Carbon Steel<\/h2>\n

Hebei Hongrun manufactures EN 1092-1 PN16 carbon steel flanges for general oil & gas applications. They hold ISO 9001, API 6A, and GOST certifications, with a production capacity of 20,000 tons per year. Their flanges are used in SOCAR’s pipeline network, but they lack PED certification for EU-bound equipment.<\/p>\n

Foshan Nanhai Lianxing: Custom Stainless Steel EN 1092-1<\/h2>\n

Foshan Nanhai Lianxing specializes in custom stainless steel EN 1092-1 flanges, including non-standard sizes and pressure ratings. They offer PED certification and MOQ of 50 pieces, making them suitable for specialized projects. However, their production capacity is limited compared to larger manufacturers.<\/p>\n

Market Trends and Opportunities for EN 1092-1 Flanges<\/h2>\n

The Caspian region’s oil & gas sector is driving demand for EN 1092-1 flanges. Kazakhstan’s KazMunayGas 2025\u20132030 plan includes 1,200 km of new pipelines, requiring GOST 33259-compliant flanges. Azerbaijan’s SOCAR petrochemical complex expansion needs EN 1092-1 PN40\/PN63 duplex steel flanges for corrosive service. Additionally, the 2026 EU CBAM (Carbon Border Adjustment Mechanism) is pushing manufacturers toward recycled steel\u2014flanges made with 30% recycled content have seen 58% order growth for the EU market.<\/p>\n

Smart manufacturing is transforming production: AI quality inspection cuts detection time from 15 minutes to 2 seconds, and robot welding reduces defect rates by 32%. Custom and high-end flanges now represent 42% of top-tier export orders, with ODM suppliers growing from 19% to 27% market share. For buyers, partnering with a PED-certified flange manufacturer<\/a> is essential for EU-bound projects.<\/p>\n

How to Choose an EN 1092-1 Flange Supplier<\/h2>\n

Selecting the right supplier for EN 1092-1 PN16\/PN40 flanges requires careful evaluation. Here is a checklist for procurement managers:<\/p>\n

Certifications to Verify<\/h3>\n