Orifice plates, meter runs, flow and Venturi nozzles, Venturi tubes, pitot tubes and restriction orifices are part of our portfolio of primary flow elements. 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, BS 1042, DIN 19206, UNI 10023). We offer calibration certificates in accordance with the ASME PTC6, ISPESL and IBR standards.

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

Sales contact

WIKA Instrumentation Pars Kish Ltd.

Tel.:
+98 21 88206-596
Fax:
+98 21 88206-623
info@wika.ir

FAQ

What are restriction orifices for and when are they used?

Restriction orifices are used to achieve a controlled or restricted flow. They prevent a too high loading of the primary flow element, and also prevent the possibility of cavitation. Restriction orifices can also be used for controlling the pressurisation in the co ... More

Which are the recommended upstream/downstream straight lengths for orifice plates and Venturi tubes?

The upstream and downstream straight lengths depend on many factors, such as the piping system and the beta ratio, for which reason no blanket statement can be made on this. If you have any questions on your specific application, you are welcome to contact us.

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