Rubber flap check valve

Short Description:

Flap check valve: body ductile iron coated with epoxy painting, disc ductile iron coated with rubber.

BS5153 PN10/16 DN40-DN600

Suitable for the water supply and drainage system.


Product Detail

Product Tags

橡胶板止回阀

Meterial of main parts

Components name

Material

Valve body

Cast iron 、ductile iron

Valve cover

Cast iron 、ductile iron rubber coated

Stem

Stainless steel

Technical data

PN (MPa)

Nominal Pressure

1.0

1.6 

2.5 

(MPa)

Intensity pressure test

1.5

 2.4

 3.75 

(MPs)

Seal pressure

1.1 

 1.76

 2.75

°C

Suitable temperature

  ≤80

Suitable Mediums

Clear water,Sewage,Seawater

Slow shuts the time

   ≤60 seconds

Main Dimensions (BS5153 available)

DN(MM) L D D1 dn n
50 203 165 125 17.5 4
65 216 185 145 17.5 4
80 241 200 160 17.5 8
100 292 220 180 17.5 8
150 356 285 240 22 8
200 495 340 295 22 8
250 622 395 350 22 12
300 698 445 400 22 12
350 787 505 460 22 16
400 914 565 515 22 16
450 978 615 565 26 20
500 978 670 620 26 20
600 1295 780 725 30 20

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