An orifice flange is a type of flange that is used to measure the flow rate of fluids in a pipeline. It consists of a flange with two pressure tappings machined into it, opposite each other. The orifice plate is installed between the two flanges, and the pressure drop across the orifice plate is used to calculate the flow rate. Orifice flanges are typically made from carbon steel or stainless steel, and they are available in a variety of sizes and materials. They are used in a wide variety of industries, including oil and gas, chemical, and water treatment. Technical Specifications: Material: Carbon steel, stainless steel, other materials Size: NPS 1/2 to NPS 24 Inch Pressure rating: 150 to 1500 psi Temperature rating: -40 to 800�?�°F Finish: Black, hot dip galvanized, other finishes Applications Orifice flanges are used in a variety of applications, including: Oil and gas pipelines Chemical plants Power plants Water treatment plants HVAC systems Benefits Orifice flanges offer a number of benefits, including: Accuracy: Orifice flanges are a very accurate way to measure flow rate. Durability: Orifice flanges are made from durable materials that can withstand harsh environments. Cost-effectiveness: Orifice flanges are a cost-effective way to measure flow rate.