| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Stainless Steel Orifice Flanges Supplier in UAE Offering ASME B16.36 & B16.5 Standard Flanges
Material & Grades of Stainless Steel Orifice Flanges
Stainless Steel Orifice Flanges are available in multiple grades to suit corrosive, high-temperature, and high-pressure applications. Selecting the appropriate material grade ensures durability and operational safety.
| Material | Grade / Standard | Pressure Rating | Size Range | Typical Applications |
|---|---|---|---|---|
| Stainless Steel | ASTM A182 F304 | 150# – 2500# | ½” – 24” | Water & chemical lines |
| Stainless Steel | ASTM A182 F316 | 150# – 2500# | ½” – 24” | Marine & offshore |
| Stainless Steel | ASTM A182 F321 | 150# – 1500# | ½” – 20” | High-temperature pipelines |
| Stainless Steel | ASTM A182 F347 | 150# – 1500# | ½” – 20” | Petrochemical plants |
Key Features & Advantages
- Accurate flow measurement capability
- Excellent corrosion resistance
- High strength for pressure applications
- Leak-proof bolted connections
- Suitable for oil & gas and power plants
- Available in standard and custom sizes
Size & Specification
| Specification | Details |
|---|---|
| Size Range | 1/2” NB to 24” NB |
| Pressure Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
| Standards | ASME B16.5, ASME B16.47 |
| Face Type | RF, RTJ, FF |
| Manufacturing | Forged |
| Testing | PMI, UT, Hydro Test |
Chemical Composition (Typical – SS 316)
| Element | % Content |
|---|---|
| Chromium | 16.0 – 18.0 |
| Nickel | 10.0 – 14.0 |
| Molybdenum | 2.0 – 3.0 |
| Carbon | 0.08 max |
| Manganese | 2.0 max |
Type of Sub-products

Stainless Steel 316l Weld Neck Orifice Flange Stainless Steel 316l Weld Neck Orifice Flange
Stainless Steel 316L Weld Neck Orifice Flanges are precision engineered from low carbon 316L stainless steel, offering excellent corrosion resistance, high strength, and superior durability in harsh industrial environments. Designed for metering and flow measurement applications, these flanges ensure accurate orifice plate alignment and reliable leak proof performance in chemical, petrochemical, and power generation industries.

Stainless Steel 347 Weld Neck Orifice Flange Stainless Steel 347 Weld Neck Orifice Flange
Stainless Steel 347 Weld Neck Orifice Flanges are manufactured from stabilized 347 stainless steel, providing exceptional resistance to intergranular corrosion, high temperature, and mechanical stress. These flanges are suitable for high pressure flow measurement systems, offering precise orifice plate seating, long term reliability, and durability in chemical, refinery, and industrial piping applications.
