
Highlights
| Available Sizes with Flanges Suppliers in UAE | 1/2″ to 48″ |
|---|---|
| Custom Sizes Available in : | Up to 72″ |
| Pressure Level : | Class 150, Class 300, Class 600, Class 900, Class 1500 and Class 2500 |
| Thickness : | SCH 5 to SCH 180 |
| Connection : | Weld and Threaded |
| Process : | Casting, Forging, Rolling |
| Origin of Raw Material: | European, Indian, UK, Janpanese, Korean, German |
| Standard : | ASME B16.5, ANSI B16.47, DIN, EN, JIS, ISO, API |
| Face Types : | RTJ, FF, RF, M&F, T&G |
| MTC: | EN 10204/3.1B |
| RFQ: | support@pipingmaterial.ae |
ADNOC Approved Flanges Suppliers in Dubai
Find the list of Approved Flanges suppliers in UAE who are approved by ADNOC, Q CHEM, EIL, MA’ADEN, KNPC, BAPCO, SABIC, KOC, Saudi Aramco, Marine and KPI.
| Approval Name | Approval By | Flange Manufacturer/ Brand | |
|---|---|---|---|
![]() |
ADNOC APPROVED Flange Manufacturers | Abu Dhabi National Oil Company (Abu Dhabi) |
|
![]() |
Q CHEM APPROVED | Qatar Chemical Company Ltd (Qatar) |
|
![]() |
EIL APPROVED | Engineers India Limited (India) | – |
![]() |
MA’ADEN APPROVED | Ma’aden (Riyadh, Saudi Arabia) |
|
![]() |
KNPC APPROVED | Kuwait National Petroleum Company (Kuwait) | – |
![]() |
BAPCO APPROVED | Bahrain Petroleum Company (Bahrain) | – |
![]() |
SABIC APPROVED | SABIC (Riyadh, Saudi Arabia) | – |
![]() |
KOC APPROVED | Kuwait Oil Company (Kuwait) |
|
![]() |
Saudi Aramco APPROVED | Aramco (Dhahran, Saudi Arabia) | – |
![]() |
RINA (Marine Class Approved) | Registro Italiano Navale (Genoa, Italy) | – |
![]() |
KPI APPROVED | Kuwait Petroleum International (Kuwait) | – |
| Request for a complete list of Approved Flange manufacturers in UAE | Request a Free Quote | |||

Size In Ready Stock: 1/2″ to 48″ | DN15 DN1200

Maximum Size: NPS 26 to NPS 60 For Large Diameter

Manufacturing Technique: CNC Machining, Forged, Drilling, Stamping

Number of Flanges Bolts Hole: 4 To 48

Corrosion Resistance: Seawater, Phosphoric, Sulfuric and Nitric Acid

Surface Finish: Stock Finish, Mirror & Smooth Finish

Application: Petrochemicals, Oil & Gas, Power Generation

Testing: PIM Testing, Hardness & Hydrostatic Testing
Documentation: Third Party Inspection, MTC EN 10204/3.1B
Packaging: Wooden Case, Plastic Bag & Carton Box
Value Added Services: Casting, Threading, Polishing, Cutting
Supporting Material: Ring Joint, Bolts & Nuts, Gaskets
Buying Tips For Industrial Pipe Flanges
Flanges suppliers in UAE can supply to your sizes and specifications at great deal.

Remember to ask the following when ordering to Flange manufacturers in UAE
- MTR
- Third Party Inspection
- Delivery Time
- Origin of Material
- Manufacturer/ Mill name
- Marking on the final product
- Replacement Policy
- NDT Test Reports
- 100% PMI report
- Freight charges
- Bolts, Studs and Nuts should be accordance to ANSI standard for each flange connection
- Buy Flange Gasket as per ASME B16.20
Steel Flanges available in various material and grades as per ASME B16.5 specification
Steel Flange Material and Grades
Online B2B platform introducing verified and genuine flanges suppliers in UAE, offering best quality raw material.
Types Of Flanges Used in Oil and Gas Industry
Purchase all types of industrial steel flanges as per ASME B16.5 in Dubai. Contact below listed top 10 Flanges suppliers in UAE and get the lowest quote only at Pipingmaterial -No. 1 B2B platform in Middle east.

Looking for high pressure flange types? Click on the flange types for specification and dimensions
Buy Pipe Flanges in Class 150/300/900 and 2500 for refinery & petrochemical industry in Middle East
Click on the below standard to view the steel flange dimensions and weights
Find list of verified flanges suppliers. You can also buy standard sizes industrial flanges from stockists in Dubai and Sharjah.
- Class 150 weld neck flange
- Class 300 weld neck flange
- Class 400 weld neck flange
- Class 600 weld neck flange
- Class 900 weld neck flange
- Class 1500 weld neck flange
- Class 2500 weld neck flange
Searching for ISO approved flanges suppliers? Buy from the leading steel flanges stockists in Abu Dhabi and Fujairah at amazingly low prices in class 150 to 2500.
EN Standard for Industrial Flanges
Pipe Flanges are manufactured in various seal face such as RF (Raised), FF (Flat), SF, SG, RTJ, SM, ST, LM, LT, LF and LG.
| Raised Face (RF) | Flat Face (FF) | Ring-Type Joint (RTJ) |
|---|---|---|
| Marking symbol : ASME B16.5 RF
Height of raised face
|
Marking symbol : ASME B16.5 FF | Marking symbol : ASME B16.5 RTJ
|
| Tongue-and-Groove (T&G) | Male-and-Female (M&F) | |
| Marking symbol : ASME B16.5 T&G | Marking symbol : ASME B16.5 M&F
Types:
|
Flange Bolt Hole Number & Diameter
| Flange class | Numbers of bolt | Diameter of bolt (in mm) |
|---|---|---|
| 150lb | 12 | 25.4 |
| 300 | 16 | 28.6 |
| 400 | 16 | 34.9 |
| 600 | 20 | 34.9 |
| 900 | 20 | 38.1 |
| 1500 | 16 | 54 |
| 2500 | 12 | 73 |
- Sch 10
- Sch 20
- Sch 30
- STD Wall
- Sch 40
- Sch 60
- EXT Hvy
- Sch 80
- Sch 100
- Sch 120
- Sch 140
- Sch 160
- XX Hvy
Torque Sequence For Steel Flanges
| Type | Sequence for Bolt/ Stud Tightening |
|---|---|
| 4 bolt flanges | 1, 3, 2, 4 |
| 8 bolt flanges | 1, 5, 3, 7, 2, 6, 4, 8 |
| 12 bolt flanges | 1, 7, 4, 10, 2, 8, 5, 11, 3, 9, 6, 12 |
| 16 bolt flanges | 1, 9, 5, 13, 3, 11, 7, 15, 2, 10, 6, 14, 4, 12, 8, 16 |
| 20 bolt flanges | 1, 11, 6, 16, 3, 13, 8, 18, 5, 15, 10, 20, 2, 12, 7, 17, 4, 14, 9, 19 |
| 24 bolt flanges | 1, 13, 7, 19, 4, 16, 10, 22, 2, 14, 8, 20, 5, 17, 11, 23, 6, 18, 12, 24, 3, 15, 9, 21 |
| 28 bolt flanges | 1, 15, 8, 22, 4, 18, 11, 25, 6, 20, 13, 27, 2, 16, 9, 23, 5, 19, 12, 26, 3, 17, 10, 24, 7, 21, 14, 28 |
| 32 bolt flanges | 1, 17, 9, 25, 5, 21, 13, 29, 3, 19, 11, 27, 7, 23, 15, 31, 2, 18, 10, 26, 6, 22, 14, 30, 8, 24, 16, 32, 4, 20, 12, 28 |
Looking for flange stockist in Dubai? Get the quotes from Flat Face & Raised Face flanges manufacturers in UAE
| ASME B16.5 | ASME B16.47 Series A | ASME B16.47 Series B | ASME B16.36 |
|---|---|---|---|
|
|
|
|
- 7307.21 (for SS)
- 7307.29 (for SS)
- 7307.91 (For CS)
- 7307.99 (For CS)
- 7307.91 (For Inconel)
- 7307.99 (For Inconel)
- Marking on Cast flanges: ASME/ ASTM specification, grade, size, rating (class 150-2500) melt number and manufacturer / supplier logo
- Plate flanges marking: ASME/ ASTM specification, grade, size, rating (class 150-2500) and manufacturer / supplier logo
- Forged flanges marking: ASME/ ASTM specification, grade, size, rating (class 150-2500) and manufacturer / supplier logo
- Ring-Joint Flanges marking: ring-groove number, letter R (like R93 to R105), size, and manufacturer / supplier logo
- BSPT Threads
- FPT Threads
- NPT Threads
- MPT Threads
- BSP Threads
- BSPP Threads
Maximum Size of Large Diameter Steel Flanges
- Standard for large dia: ASME B16.47
- NPS 26 -NPS 60
for larger sizes pls contact listed flanges suppliers in UAE
Types of High Pressure Flanges
- Weld Neck Flanges (WN) : up to 2,500lbs
- Slip-On Flanges (SO): up to 2,500lbs
- Blind Flanges (BL): up to 2,500lbs
- Threaded Flanges (TH): up to 2,500lbs
- Socket Weld Flanges (SW): up to 2,500lbs
- Lap Joint Flanges (LJ): up to 2,500lbs
- Raised Face (RF) and Flat Face (FF) flanges: up to 2,500lbs
High Temperature Flanges Grade Wise Temperature
Compare the temperature of steel flanges mostly installed in industrial sectors such as oil & gas, petrolium, refinery, petrochemical plants and others
| Grade | Steel flange temperature range |
|---|---|
| ASTM A182 F304 | up to 870°C (1,600°F) |
| A182 Gr.F304L | up to 425°C |
| ASTM A182 F316 | up to 870°C (1,600°F) |
| ASTM A182 F11 F5 /F9/ F22 | -29°C (-20°F) to 593°C (1,100°F) |
| Inconel Flanges | up to 1,090°C (2,000°F) |
| Hastelloy Flanges | up to 1,095°C (2,003°F) |
| Titanium Flanges | up to 540°C (1,000°F) |
| ASTM A105 flange / A515 Gr.70/ A350 LF2 / A216 Gr.WCB | up to 425°C |
| A350 LF6 Cl 1 | up to 260°C. |
| A537 Cl.1 | up to 370°C |
Flange face accordance to 6.1.4.1 and 6.1.4.2
| Class | Flange face |
|---|---|
| 75, 150, 300 | 2 mm (0.06 in.) raised face |
| 400, 600, 900 | 7 mm (0.25 in.) raised face |
Check Flange Types, dimensions, class and Flange Joint pressure rating chart as per ASTM/ ASME/ EN/ DIN/ JIS standards
Pressure Class of Weld Flanges in PSI
| Pressure Class | Flange Pressure in PSI |
|---|---|
| Class 150 | up to ~285 psi |
| Class 300 | Up to ~740 psi |
| Class 600 | Up to ~1480 psi |
| Class 900 | Up to ~2220 psi |
| Class 1500 | Up to ~3705 psi |
| Class 2500 | Up to ~6170 psi |
ASTM Standard for Pipe Steel Flanges
- Forged = ASTM A182
- Plate = ASTM A240
- Cast = ASTM A351
- Forging = ASTM A105/ ASTM A350 LF2
- Plate = ASTM A515
- Casting = ASTM A216/ ASTM A352
- Forged = ASTM A182
- Plate = ASTM A387
- Cast = ASTM A217
- ASTM A182
- ASTM A240
- ASTM A351 & ASTM A890
- ASTM B564
- ASTM B409
- ASTM A484
- ASTM B151
- ASTM B122
- ASTM B466
| Thickness (mm/ inch) | Tolerances (in inch) | Tolerances (in mm) |
|---|---|---|
| tf ≤ 25 mm (1.0 in.) | +0.12 “., -0.00 “ | +3.0 mm, -0.0 mm |
| 25 mm (1.0 in.) < tf ≤ 50 mm (2.0 in.) | +0.19 “, -0.00 “ | +5.0 mm, -0.0 mm |
| 50 mm (2.0 in.) < tf ≤ 75 mm (3.0 in.) | +0.31 “, -0.00 “ | +8.0 mm, -0.0 mm |
| tf > 75 mm (3.0 in.) | +0.38 “, -0.00 “ | +10.0 mm, -0.0 mm |
Steel Flanges Supporting Material
- Metallic Gaskets as per ASME B16.20
- Ring-Joint
- Spiral-Wound
- Jacketed
- Nonmetallic Flat Gaskets as per ASME B16.21
- High Temp Gasket Material for above 500 °C (PTFE)
- Aluminum alloy
- Zinc
- Galvanized steel
- Magnesium

Identify Flange Pressure Rating
| ASME | #150 | 15 |
| ASME | #300 | 30 |
| ASME | #600 | 60 |
| ASME | #900 | 90 |
| ASME | #1500 | 150 |
| ASME | #2500 | 250 |
| API | #5000 | 500 |
- RTJ Gasket
- RF Gasket
- Flat Face Gasket
- Spiral Wound Gasket
- PTFE Gaskets
- Soft Gaskets
- Oval Ring Gaskets
- Metal Jacketed Gasket
Sample Mill Test Report of a Flange Manufacturer in the USA
Key Factors in Pipe Flanges Selection
Avoiding Common Steel Flanges Selection Mistakes
- Ignoring Thermal Cycling
- Mixing Materials
- Overrating Pressure Class
- Neglecting Bolt Load Balance
- Overlooking Maintenance Access
Do You Provide Origin Certificate Of Flanges? Any Extra Charges
Yes, Buy all types of flanges with no additional cost.
Can You Provide PMI Report Before Dispatch For 100% Quantity?
Yes, Listed companies provide same for 100% ordered quantity
Is All Pipe Flanges Material NACE MR0175 Certified?
Yes, Industrial flanges products NACE MR0175 certified.
What is the Large Diameter Pipe Flanges Raw Material Origin?
German, European, Indian, Janpanese, UK, USA, Korean
What Services are Available at Your Abu Dhabi and Sharjah Branch?
Offers a full range of steel flanges such a MTC (material test certificates) and TDS (technical data sheets).
Do You Provide International Shipping to Other Countries?
Yes, Currently, Listed companies deliver to UAE, Netherlands, Germany, Saudi Arabia.
Trying To Find A 60 Inch Oipe Flange Of SS 304/316. How To Buy In Dubai?
SS SS 304 and 316 60 Inch Oipe Flange rare size in UAE. Contact listed companies who can arrange this size in Fujairah, Umm Al Quwain, Ajman, Sharjah and Abu Dhabi.
Do the Listed Flanges Suppliers Offer MTC Certificate Material in UAE?
100%, You can contact directly to the listed companies for Mill Sample Test Certificte.
Delivery Location and Schedule for Pipe Flanges
| Export to | City | Shipping Time in Days |
|---|---|---|
| Qatar | Doha | 7 Days |
| Morocco | Casablanca | 8 Days |
| Nigeria | Abuja | 45 to 60 Days |
| Belgium | Abuja | 40 Days |
| Egypt | Cairo | 18 Days |
| Bahrain | Muharraq | 9 Days |












Table of Content