Rosemount™ 1495 Orifice Plate

The Rosemount 1495 Orifice Plate Primary Element is engineered for reliable measurement performance. As the most common primary element used around the globe, this orifice plate offers a standard configuration with a square-edged concentric bore in both paddle and universal-type plates. This product is available in standard line sizes (2 - 24 in. or 50 - 600 mm) and is also suitable in high temperature and pressure applications.

Max. Operating Pressure ：ANSI B16.5 2500#

Process Temperature Range ：-320 to 1200 °F (-196 to 649 °C)

Fluid Type：Liquid, gas, steam

Process Wetted Material：304/304L SST, 316/316L SST, DIN 1.4571 (316Ti SST), Alloy C-276, Alloy 400

Warranty：Up to 5-year limited warranty

· Unmatched Accuracy & Longevity: Precision CNC machining and optional hardened materials ensure the bore geometry remains stable for years, protecting measurement integrity.

· Global Standards Compliance: Designed and manufactured in accordance with ISO 5167, ASME MFC-3M, and AGA Report No. 3, making it acceptable for fiscal and custody transfer applications.

· Material Flexibility: Available in a wide range of materials including 316/316L Stainless Steel, Hastelloy C-276, Monel, and Duplex Steel to handle corrosive, abrasive, and high-temperature services.

· Full Traceability: Each orifice plate is serialized and comes with a detailed certificate of conformance, providing documentation for quality assurance and regulatory audits.

· Diverse Form Factors: Offered in a variety of styles: Flanged (for unionring or paddle installations), Weld-in, and Vena Contracta taps to suit any piping design and pressure tap configuration.

Selecting the Rosemount 1495 is an investment in measurement certainty and process efficiency.

· The Emerson Legacy of Quality: You are not just buying a metal disc; you are investing in the engineering rigor, global reputation, and support of Emerson.

· Protection Against Financial Risk: In custody transfer, inaccurate measurement is directly lost revenue. The 1495 ensures you get paid for what you deliver.

· Reduced Lifetime Cost: While the initial cost may be higher than a generic plate, its extended service life and unwavering accuracy prevent costly re-calibration and premature replacement.

· Global Acceptance & Trust: The Rosemount name and its compliance with international standards make it the trusted choice for engineers worldwide.

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