| 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 |
Orifice Flanges Kuwait ASTM A105 A182 F11 F22 High Temperature Industrial Grade Supplier
Nitech Stainless Inc. provides high-quality orifice flanges with the purpose of measuring the flow of oil and gases, petrochemical, power and process piping systems with precision. Orifice flanges are employed in pairs and designed specifically to contain an orifice plate between them, allowing liquid, gas or steam flow to be accurately monitored. The flanges are usually weld neck flanges or slip-on flanges that come in raised face flange and ring joint flange designs to enable them to be used in high pressure as well as in high temperature. We are reputable as an orifice flanges supplier in Kuwait, and we make sure that we deliver dimensional accuracy and strong constructions and that we meet the requirements of the global standards to perform reliably in the field in the industrial works and sourcing needs in the B2B marketplace.
Orifice flanges are manufactured in a large variety of material grades to suit any operating conditions. The most popular are carbon steel ASTM A105, low-temperature carbon steel ASTM A350 LF2, stainless steel ASTM A182 F304, F304L, F316 and F316L and alloy steel grades such as ASTM A182 F11 and F22 to be used in high-temperature service. Duplex and super duplex stainless steel grades are also available in corrosive and critical environments. These grades offer good strength, corrosion resistance and long service life, and orifice flanges make a reliable option of fine control and measuring of flow in industrial systems with high demand.
Material & Grades of Orifice Flanges
| Material | Grade / Standard | Specification | Type | Applications |
|---|---|---|---|---|
| Carbon Steel | ASTM A105 | ASME B16.36 / ASME B16.5 | Orifice Flange | Oil & Gas Flow Measurement |
| Stainless Steel | ASTM A182 F304 | ASME B16.36 / ASME B16.5 | Orifice Flange | Food Processing & General Industrial Applications |
| Stainless Steel | ASTM A182 F316 | ASME B16.36 / ASME B16.5 | Orifice Flange | Chemical & Marine Industries |
| Alloy Steel | ASTM A182 F11 / F22 | ASME B16.36 / ASME B16.5 | Orifice Flange | High-Temperature & Power Plants |
| Duplex Stainless Steel | ASTM A182 F51 / F53 | ASME B16.36 / ASME B16.5 | Orifice Flange | Offshore & Petrochemical Industries |
Dimensions & Size Chart
| Nominal Pipe Size (NPS) | Outside Diameter (OD) | Pressure Class | Facing Type | Standard |
|---|---|---|---|---|
| 1/2" | 90 mm | Class 300 | RF / RTJ | ASME B16.36 |
| 3/4" | 100 mm | Class 300 | RF / RTJ | ASME B16.36 |
| 1" | 108 mm | Class 300 / 600 | RF / RTJ | ASME B16.36 |
| 2" | 152 mm | Class 300 / 600 | RF / RTJ | ASME B16.36 |
| 4" | 229 mm | Class 300 / 600 / 900 | RF / RTJ | ASME B16.36 |
| 6" | 279 mm | Class 300 / 600 / 900 | RF / RTJ | ASME B16.36 |
| 8" | 343 mm | Class 300 / 600 / 900 | RF / RTJ | ASME B16.36 |
| 10" | 406 mm | Class 600 / 900 / 1500 | RF / RTJ | ASME B16.36 |
| 12" | 483 mm | Class 600 / 900 / 1500 | RF / RTJ | ASME B16.36 |
Pressure Ratings
| Pressure Class | Maximum Working Pressure* | Typical Applications |
|---|---|---|
| Class 300 | Up to 740 PSI | Flow Measurement Systems |
| Class 600 | Up to 1480 PSI | Oil & Gas Pipelines |
| Class 900 | Up to 2220 PSI | Petrochemical Processing |
| Class 1500 | Up to 3705 PSI | High-Pressure Steam & Process Lines |
| Class 2500 | Up to 6170 PSI | Critical Industrial & Offshore Applications |
Type of Sub-products
Frequently Asked Questions
Which standards apply to your orifice flanges?
What materials are available for orifice flanges?
Countries We Export
Kuwait
Industries We Serve
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
Automobile Industry
Electrical Industry
Defense Industry
Construction & Fabrications
Ring Man Units
Railways

Gasket Industry
Pharmaceuticals Industry
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