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 Bulgaria EOOD

Tel.:
+359 2 8213810
Fax:
+359 2 8213813
info@wika.bg

FAQ

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

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

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