Flanges for Oil & Gas | High-Performance Solutions | UAE, Saudi Arabia & Middle East

As a leading flanges supplier in UAE and the Middle East, Gasify Middle East delivers premium ASME and API flanges tailored for demanding oil, gas, petrochemical, and power generation applications. Our extensive inventory includes carbon steel flanges, stainless steel flanges, alloy steel flanges, and exotic alloys like Inconel and Hastelloy flanges, ensuring reliable pipeline connections that withstand high pressures, extreme temperatures, and corrosive environments. Compliant with ANSI B16.5, ASME VIII, and API standards, our industrial pipe flanges are available in sizes from 1/4" to 120" and pressure classes up to 20,000 PSI. Whether you need weld neck flanges for high-stress systems or blind flanges for pressure testing, we provide fast delivery across Abu Dhabi, Dubai, and the GCC region.

Why Gasify Middle East: Premier Flanges Supplier for Oil & Gas and Infrastructure

At Gasify Middle East, we stand out as a trusted flanges manufacturer and supplier in UAE by offering:

  • Comprehensive Range: From standard slip-on flanges to specialized orifice and spectacle flanges, covering all types of flanges for seamless integration.
  • Quality Assurance: All products meet international standards like ASTM, ASME, and API, with third-party certifications for corrosion resistance and dimensional accuracy.
  • Expertise in Middle East Projects: Serving major EPC contractors with custom forged flanges optimized for sour service and high-yield applications.
  • Sustainability Focus: Eco-friendly sourcing and recycling options for duplex steel flanges and nickel alloy variants.

Our commitment to excellence makes us the go-to partner for oil and gas flanges in the UAE.

Types of flanges

Comprehensive Flanges Product Table – Types & Description

Explore our full spectrum of ASME flanges (Class 150–2500) and API flanges (Class 2000+), available in raised face (RF) and ring type joint (RTJ) configurations. We stock weld neck, slip-on, blind, socket weld, threaded, lap joint, and more—ideal for pipeline integrity in refineries, offshore platforms, and water management systems. Below, we’ve organized our flange specifications into categorized tables for easy reference, highlighting size ranges, pressure ratings, materials, and key applications.

Steel Flanges: Carbon, Alloy, and Stainless Steel Options

These robust carbon steel flanges and stainless steel flanges form the backbone of industrial piping, offering superior strength for high-pressure oil and gas lines.

Weld Neck (WN) flange
Threaded Screwed flanges
socket weld flange
Lap Joint flanges
TypeSize Range (NPS/OD)Pressure ClassStandards/NormsMaterials/GradesApplications
Weld Neck (WN)1/4"–120"150–2500 LBSASME B16.5, ANSI, APICarbon: A105N, A350 LF2, A694 F42/F52/F60/F65, A707 L3/L5 CL3; Alloy: A182 F1/F5/F9/F11/F12/F22/F91/F92High-pressure pipelines, refineries
Slip-On (SO)1/2"–72"150–900 LBSASME B16.5, BS 4504Carbon: A105N; Stainless: A182 F304/304L, F316/316L, F321, F347General process lines, low-pressure systems
Blind1/4"–120"150–2500 LBSANSI B16.5, ASME VIIICarbon: A350 LF2; Alloy: F11/F22Pressure testing, vessel closures
Socket Weld (SW)1/2"–48"300–2500 LBSASME B16.5, MSS SP-44Stainless: F304L/F316L; Alloy: F5/F91Small-diameter, high-integrity joints
Threaded/Screwed1/4"–24"150–3000 LBSANSI B16.5, DINCarbon: A105; Stainless: F316/F347Non-welded connections, maintenance
Lap Joint1/2"–60"150–900 LBSASME B16.5Carbon: A694 F60; Stainless: F304Adjustable piping, cost-effective
Orifice1/2"–48"300–2500 LBSAPI 6A, ASME B16.36Alloy: F22/F91; Carbon: A105NFlow measurement in oil & gas

Stainless and Duplex Steel Flanges: Corrosion-Resistant Excellence

For harsh environments, our duplex steel flanges and super duplex flanges provide unmatched resistance to pitting and stress corrosion, perfect for seawater and chemical processing.

Reducing flanges
long weld flange
Slip On Boss flanges
screwed boss flange
TypeSize Range (NPS/OD)Pressure ClassStandards/NormsMaterials/GradesApplications
Reducing1/2"–60"150–1500 LBSASME B16.5, EN 1092Duplex: A182 F51/F53/F55/F60/F61; SS: F317L/F904LSize transitions in duplex systems
Spectacle Blind / Figure-81"–48"150–900 LBSANSI B16.48Stainless: F316L/F321; Duplex: F51Isolation/spacer in process lines
Plate/Blank15 NB–600 NBTABLE 2.5–400ASME B16.5SS: F304H/F310H; Duplex: F44/F45Custom blanks for fabrication
Long Weld Neck (LWN)1/2"–24"600–2500 LBSASME B16.5Duplex: F53/F55; SS: F316LN/F317Extended necks for high-temp vessels
Slip-On Boss1/2"–36"150–600 LBSMSS SP-44SS: F309H/F347H; Duplex: F60Reinforced slip-on for branches
Screwed Boss1/4"–12"150–300 LBSANSI B16.5Stainless: F304/316Threaded boss for instrumentation

Exotic Alloy Flanges: Nickel, Inconel, Hastelloy, and More

Engineered for extreme conditions, these Inconel flanges, Hastelloy flanges, Monel flanges, and titanium flanges excel in acidic, high-temperature, and cryogenic services across the Middle East’s energy sector.

Weld Neck (Exotic) flanges
blind flange
Slip On (SO) flanges
orifice flange
TypeSize Range (NPS/OD)Pressure ClassStandards/NormsMaterials/GradesApplications
Ring Type Joint (RTJ)1/2"–48"900–20,000 PSIAPI 6A, ASME B16.20Inconel 600/625/718, Hastelloy C276/C22, Monel 400/K500, Incoloy 825, Cu-Ni 90/10 & 70/30, Titanium Gr.2/5High-pressure wellheads, sour gas
Weld Neck (Exotic)1/2"–24"150–2500 LBSASTM B564, ANSI B16.5Inconel 601/625/718/X-750, Hastelloy C22, Alloy 20Chemical processing, offshore
Blind (Exotic)1"–36"300–1500 LBSASME B16.5Monel K500, Incoloy 800/925, 904LCorrosive closures, pharma
Socket Weld (SW)1/2"–12600–2500 LBSJIS, BS 10Hastelloy: C-276; Nickel: SB160 UNS 2200 (Ni 200)Compact joints in exotic alloys
Slip-On (SO)1"–24"150–900 LBSDIN, EN 1092-1Titanium: SB381 Gr.1/Gr.7; Inconel: 686Lightweight, marine desalination
Orifice Assembly2"–48"2000–10,000 PSIAPI, NACE MR0175Inconel: 625LCF; Hastelloy: B2Metering in offshore platforms

Advantages of Our High-Grade Flange Solutions

Precision Engineering

Every forged flange undergoes rigorous testing for dimensional accuracy, ensuring leak-proof seals in critical oil and gas pipeline flanges.

Optimized for Middle East Industries

From Abu Dhabi's refineries to Qatar's LNG projects, our ANSI/ASME flanges handle H2S exposure and cyclic loading with ease.

Global Sourcing and Swift Delivery

Sourced from certified mills, we offer competitive pricing on bulk duplex flanges with UAE-wide logistics for just-in-time supply.

Frequently Asked Questions

Weld neck and slip-on flanges are staples for high-pressure applications, while blind flanges suit testing— all available in our carbon steel and stainless steel ranges.

Up to 120″ in sizes and 20,000 PSI classes, compliant with API 6A for sour service.

Yes, we fabricate to spec for niche needs like Hastelloy C-276 flanges for acidic environments.

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