Ismail Flanges, Jakarta, Indonesia, is a well-known producer and supplier of Alloy Steel Orifice Flanges that provide accurate and high-strength parts for flow measurement and control in industrial piping systems. The flanges are designed to support orifice plates that assist in monitoring the rate of fluid or gas flow. Produced in line with global norms such as ASME B16.36 and ASTM A182, Alloy Steel Orifice Flanges by Ismail Flanges are relied upon in industries ranging from oil & gas, petrochemicals to refineries and power generation where precise flow measurement is critical.
Alloy Steel Orifice Flanges are usually of grades like F1, F5, F9, F11, F22, and F91 that are chromium-molybdenum alloyed to improve strength, heat, and corrosion resistance. The flanges usually have tensile strengths between 415 MPa and more than 850 MPa, varying with the particular grade and heat treatment. Their design features tapped holes for pressure tappings, which combine with orifice plates and instrumentation to provide accurate flow calculation and system control.
Ismail Flanges, a premier supplier in Indonesia, Jakarta, specializes in high-quality Alloy Steel Orifice Flanges, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
| Specifications | ASTM A182 / ASME SA182 |
|---|---|
| Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Flange Face Type | Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | UNS | WERKSTOFF NR. | Trade Name |
| Alloy Steel F5 | K41545 | 1.7362 | 5Cr-1/2Mo |
| Alloy Steel F9 | K90941 | 1.7386 | 9Cr-1Mo |
| Alloy Steel F11 | K11597 | 1.7338 | 1-1/4Cr-1/2Mo |
| Alloy Steel F12 | K11562 | 1.7335 | 1Cr-1/2Mo |
| Alloy Steel F22 | K21590 | 1.7380 | 2-1/4Cr-1/2Mo-Vd |
| Alloy Steel F91 | K90901 | 1.4903 | 9Cr-1Mo-V |
The flanges are applied in high-temperature and high-pressure services where flow rates need constant monitoring. Some of the common applications include metering lines in oil lines, power plant steam systems, and process lines in chemical and petrochemical plants. Alloy Steel Orifice Flanges provide stable, leakage-free performance while permitting precise measurement without interfering with flow. Their heavy-duty design and enhanced resistance to mechanical and thermal stress make them a vital element in preserving process efficiency, safety, and regulatory control in industrial applications.
Yes, we offer custom sizes for Alloy Steel Orifice Flanges to meet specific project needs. Our team at Ismail Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ismailflanges.id.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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