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1090

Adjustable orifice plate Hawle

suitable for flanges
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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%).

Product variants (3)

Bookmark BIM data Item number Description Nominal diameter Pressure rating Weight
5014836 HAWIDO BLENDE TYP B DN 100 PN16 2.147 KG
5014837 HAWIDO BLENDE TYP B DN 125 PN16 3.734 KG
5014838 HAWIDO BLENDE TYP B DN 150 PN16 4.185 KG

Accessories

Find suitable accessories.
HAWLE_Flat gasket
3390
Flat gasket with steel ring
HAWLE_Flat gasket
3470
Flat gasket with fabric liner
HAWLE_Bolts and nuts
8810
Bolts and nuts, galvanized
HAWLE_Pipe
8820
Polyester pipe
HAWLE_Bolts and nuts
8830
A2 bolts and nuts, stainless steel
HAWLE_Bolts and nuts
8840
A4 bolts and nuts, stainless steel
HAWLE_Washer
8871
Galvanized washer DIN 125
HAWLE_Washer
8873
A2 washer DIN 125
HAWLE_Washer
8874
A4 washer DIN 125
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