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Blank flange rotatable, DN40CF, 6 bolt holes

20,00

16 items available

Expected delivery time: 2 - 3 weeks

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STEP file download
Weight 0,183000 kg
Flange

Flange Style

HS code

7307 2100

Country

United Kingdom

Material

Expected delivery time

Rotatable ConFlat (CF) Blank Flanges with untapped bolt holes, also referred to as Rotatable blind flanges with through-holes, incorporate a seal mechanism using a knife-edge machined beneath the flange’s flat surface. Tightening the bolts of a flange-pair results in the knife-edges creating annular grooves on both sides of a soft metal gasket. The extruded metal effectively fills any machining marks and surface defects in the flange, ensuring a secure and leak-tight seal.

Assembly instructions for CF Flanges:
• Apply a small amount of high temperature anti-seize compound to the bolt threads.
• Check that both flange surfaces are clean and sealing edges are free from nicks and scratches.
• Use clean, lint free gloves, unpack gasket.
• Place gasket in the knife edge.
• Align the mating hole pattern and leak test grooves.
• Install the proper bolts and tighten hand tight. Check to see that the flange faces are parallel.
• Tighten the bolts 1/4 to 1/2 turns using a circular clockwise pattern until the flange faces are metal to metal.

Dimensions: DN19-DN350
Material: SS304 & SS316L

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