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 (M) Sdn. Bhd.

Tel.:
+603 5590 6666
Fax:
1700 81 4140
info@wika.my

FAQ

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.

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.

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