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.
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.
| Type | Size Range (NPS/OD) | Pressure Class | Standards/Norms | Materials/Grades | Applications |
|---|---|---|---|---|---|
| Weld Neck (WN) | 1/4"–120" | 150–2500 LBS | ASME B16.5, ANSI, API | Carbon: A105N, A350 LF2, A694 F42/F52/F60/F65, A707 L3/L5 CL3; Alloy: A182 F1/F5/F9/F11/F12/F22/F91/F92 | High-pressure pipelines, refineries |
| Slip-On (SO) | 1/2"–72" | 150–900 LBS | ASME B16.5, BS 4504 | Carbon: A105N; Stainless: A182 F304/304L, F316/316L, F321, F347 | General process lines, low-pressure systems |
| Blind | 1/4"–120" | 150–2500 LBS | ANSI B16.5, ASME VIII | Carbon: A350 LF2; Alloy: F11/F22 | Pressure testing, vessel closures |
| Socket Weld (SW) | 1/2"–48" | 300–2500 LBS | ASME B16.5, MSS SP-44 | Stainless: F304L/F316L; Alloy: F5/F91 | Small-diameter, high-integrity joints |
| Threaded/Screwed | 1/4"–24" | 150–3000 LBS | ANSI B16.5, DIN | Carbon: A105; Stainless: F316/F347 | Non-welded connections, maintenance |
| Lap Joint | 1/2"–60" | 150–900 LBS | ASME B16.5 | Carbon: A694 F60; Stainless: F304 | Adjustable piping, cost-effective |
| Orifice | 1/2"–48" | 300–2500 LBS | API 6A, ASME B16.36 | Alloy: F22/F91; Carbon: A105N | Flow 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.
| Type | Size Range (NPS/OD) | Pressure Class | Standards/Norms | Materials/Grades | Applications |
|---|---|---|---|---|---|
| Reducing | 1/2"–60" | 150–1500 LBS | ASME B16.5, EN 1092 | Duplex: A182 F51/F53/F55/F60/F61; SS: F317L/F904L | Size transitions in duplex systems |
| Spectacle Blind / Figure-8 | 1"–48" | 150–900 LBS | ANSI B16.48 | Stainless: F316L/F321; Duplex: F51 | Isolation/spacer in process lines |
| Plate/Blank | 15 NB–600 NB | TABLE 2.5–400 | ASME B16.5 | SS: F304H/F310H; Duplex: F44/F45 | Custom blanks for fabrication |
| Long Weld Neck (LWN) | 1/2"–24" | 600–2500 LBS | ASME B16.5 | Duplex: F53/F55; SS: F316LN/F317 | Extended necks for high-temp vessels |
| Slip-On Boss | 1/2"–36" | 150–600 LBS | MSS SP-44 | SS: F309H/F347H; Duplex: F60 | Reinforced slip-on for branches |
| Screwed Boss | 1/4"–12" | 150–300 LBS | ANSI B16.5 | Stainless: F304/316 | Threaded 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.
| Type | Size Range (NPS/OD) | Pressure Class | Standards/Norms | Materials/Grades | Applications |
|---|---|---|---|---|---|
| Ring Type Joint (RTJ) | 1/2"–48" | 900–20,000 PSI | API 6A, ASME B16.20 | Inconel 600/625/718, Hastelloy C276/C22, Monel 400/K500, Incoloy 825, Cu-Ni 90/10 & 70/30, Titanium Gr.2/5 | High-pressure wellheads, sour gas |
| Weld Neck (Exotic) | 1/2"–24" | 150–2500 LBS | ASTM B564, ANSI B16.5 | Inconel 601/625/718/X-750, Hastelloy C22, Alloy 20 | Chemical processing, offshore |
| Blind (Exotic) | 1"–36" | 300–1500 LBS | ASME B16.5 | Monel K500, Incoloy 800/925, 904L | Corrosive closures, pharma |
| Socket Weld (SW) | 1/2"–12 | 600–2500 LBS | JIS, BS 10 | Hastelloy: C-276; Nickel: SB160 UNS 2200 (Ni 200) | Compact joints in exotic alloys |
| Slip-On (SO) | 1"–24" | 150–900 LBS | DIN, EN 1092-1 | Titanium: SB381 Gr.1/Gr.7; Inconel: 686 | Lightweight, marine desalination |
| Orifice Assembly | 2"–48" | 2000–10,000 PSI | API, NACE MR0175 | Inconel: 625LCF; Hastelloy: B2 | Metering 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
What are the most common types of flanges for oil and gas in UAE?
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.
What size and pressure ratings do you offer for API flanges?
Up to 120″ in sizes and 20,000 PSI classes, compliant with API 6A for sour service.
Can you supply custom Hastelloy or Inconel flanges?
Yes, we fabricate to spec for niche needs like Hastelloy C-276 flanges for acidic environments.
