Primary Flow Elements

Our portfolio of primary flow elements consists of orifice plates, meter runs, flow nozzles, venturi tubes, pitot tubes, wedge meters, and proprietary designs. All our primary flow elements are designed in accordance with the principles and requirements of international standards (ISO 5167/ISO TR 15377, ASME MFC, ASME PTC6, and ASME PTC 19.5). We offer calibration certificates in accordance with the ASME PTC6, ASME MFC 3Ma, and ASME PTC 19.5 as well as others by request.

With our extensive product range, we are able to cover almost all industrial applications. Customized solutions can be developed to meet your specific needs.

Sales contact

WIKA USA

Tel.:
1-888-945-2872
Fax:
1-770-338-5118
info@wika.com

FAQ

What is the beta ratio (β)?

The beta ratio (β) defines how strongly the pipe cross-section is restricted. The beta ratio should thus be considered as a factor. A beta ratio of 0.75 corresponds to a restriction of 75 % of the pipe cross-section.

What is the sonic condition?

The sonic condition is when a gas flows through an orifice and its pressure drops, a critical pressure value exists for which flow rate reaches the speed of sound in that gas. This happens when Pout/ Pin ratio is approx. 0.5. At sonic condition, flow rate and pout ... More

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