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1090

Orifice Plate HAWLE, Adjustable

suitable for flanges
HAWLE_Blende für Flanscheinbau

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Diameter range DN 40–DN 200

Pressure rating PN 10 I PN 16


  • The adjustable orifice plate is used to adjust flow rates at constant pressure. To change the flow rate, the valve plate can be twisted to expand or narrow the opening.
  • If the opening is expanded at constant pressure, the flow rate through the orifice plate increases.
  • On the other hand, if the opening is narrowed at a constant pressure, the flow rate decreases. Recommended measurement and flow-calming sections before and after the orifice plate: 2–3 x DN.
  • An adjustable wrench is available to adjust the orifice plate more easily. (See accessories) The orifice plate cannot be used as a shut-off valve (cannot be closed 100%).

Extras

Find out more about our extras.
HAWLE_Flat gasket
3390
Flat gasket with steel ring
HAWLE_Flat gasket
3470
Flat gasket with linen liner
HAWLE_Bolts and nuts
8810
Bolts and nuts
HAWLE_Pipe
8820
Pipe
HAWLE_Bolts and nuts
8830
Bolts and nuts A2
HAWLE_Bolts and nuts
8840
Bolts and nuts A4
HAWLE_Washer
8871
Washer
HAWLE_Washer
8873
Washer DIN 125, A2
HAWLE_Washer
8874
Washer DIN 125, A4
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