WIKA

Primary flow elements

Primary flow elements for special requirements

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.
FAQ
FAQ

Where can the discharge coefficients Cv be obtained?

The discharge coefficients Cv can be obtained from the standard (ISO 5167) for nozzles, Venturi tubes and orifice plates that are manufactured to the specified tolerances of the standard.

How do I get the WIKA Build ID?

In most cases, the WIKA Build ID is available on request. The ID can be requested in all accessible online configurators. The ID can be created in the “Configuration” tab using “Share Configuration”.

What is the difference between differential pressure Δp and permanent pressure loss?

The differential pressure Δp is the differential pressure measured across the restriction, which is converted to a flow rate by a differential pressure transmitter (pressure drop inside the meter section). The difference between the upstream pressu ...

more