MATTECH, s.r.o.
K Myslivně 7/2183
708 00, Ostrava – Poruba
Czech Republic

tel. +420 596 917 277
fax +420 596 916 794
E-mail : info@mattech.cz
Internet : http://www.mattech.cz
:: QUESTIONAIRE FOR CALCULATION OF METERING ORIFICE PLATES AND NOZZLES ::  

(Fill in and send to us; Please, state the data in SI units)

tables of reducion >> 

Respons. person Phone* 
Company FAX*
City/postcode Street 
    *  non-obligatory info Installation 
...........................................................................................................................
Recommended
type of meter		 Type of
measured fluid		 Chemical composition
of measured gas
Density of meas. fluid
under  0°C and 
101 325 Pa		 Dynamic vizkosity
under 0°C (Pa.s)
Range of measurement
Mass (kg/h)
Volume  (m3/h)
Frequent
 overpressure (MPa)
 abs. press. (MPa)
Frequent.
temperature  (°C)		 DN / PN
Piping
Precise inside
diameter of piping (mm) 		Position
of pipe 		Flow
direction
   
Finish of flanges
Sealing surface 		Corrosion or
sedimentat. danger		 Recommended material
for orifice plate
Barometric pressure
in place of measurement (Pa)		 Differential  preassure
of device (range) (Pa)		 Recommended 
diferential presure (Pa)
Max. pressure
loss (Pa)		 Relative humidity
of measured gas (%)		  

Notes