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Orifice Plates

Orifice Plates and Plate Sealing Parts

Types of Orifice Plates

Model 500 Universal Plate

Model 510 Universal 3DVS Plate

Model 520 Paddle-Type Plate

Other (consult factory)

Types of Orifice Plate Holders For Ring Type Flange Unions

Model 560 Holder with integral plate

Model 590 Holder with removable plate

Bore Type

Concentric (Bore and bevel)(1)

Concentric (Bore and no bevel)

Bore and counter bore

Segmental

Eccentric

Quadrant round

Blank

Other (consult factory)

Plate Thickness

3.2 mm to 12.7 mm (0.125-in to .5-in) (2)

Other (consult factory)

Measurement Standard

AGA 3/API 14.3

ISO 5167

Other (consult factory)

Line Sizes

DN10 to DN900 (0.25-in to 24-in) (3)

Other (consult factory for larger sizes)

Pressure Rating

PN25 to PN200 (ANSI 150 to 2500)

Materials:Plate and Plate Holder 316 SS

Optional: 400, C-276 and other

Materials:Plate Seals NBR (Nitrile)

HNBR

FKM

Optional: PTFE

Other (consult factory)

At CRT Measurement Services, we offer orifice plates engineered for reliable flow measurement across global industries. Orifice plates are currently one of the most cost-effective and widely used differential pressure measurement devices, delivering accurate results for applications where repeatability, durability and precision are essential. Our product line includes multiple plate types, holders, sealing options and bore designs, all manufactured to meet recognized international standards.

Whether your operations require universal orifice plates, orifice plate flow measurement or specialized plate seals for orifice plates, we design and deliver products that withstand demanding environments while ensuring consistent performance.

Applications of Orifice Plates

Orifice plates are essential in industries that require accurate and dependable flow measurement. They are widely used in chemical processing plants to monitor liquids, steam, and process gases, while power generation facilities rely on them to measure cooling water, steam and fuel flow under demanding conditions. In water treatment, orifice plates consistently monitor municipal and industrial systems, including wastewater operations.

They are also applied in pharmaceutical and food production environments, where precision and hygiene are critical, as well as in general industrial sectors such as pulp and paper, mining, and metal refining. Known for their durability, simplicity and cost-effectiveness, orifice plates continue to serve as one of the most trusted and reliable tools for flow measurement across global industries.

Why Choose  CRT Measurement Services

At CRT Measurement Services, we combine precision manufacturing with a commitment to long-term reliability. Our orifice plates and sealing parts are designed for consistent accuracy, reduced maintenance and compatibility with a wide range of flow applications worldwide.

From universal orifice plates to custom-engineered designs, we supply solutions that meet both industry and client-specific requirements.

We deliver more than components — we provide durable, standards-compliant measurement products that support accurate, efficient operations across industries.

By choosing CRT Measurement Services, you gain a partner focused on technical excellence, international compliance and customer success. Request a quote to discuss your requirements for orifice plates, holders or sealing solutions.

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We welcome the opportunity to assist you with any measurement or control requirement. Send us a brief message describing your request and we will respond within 24 hours.