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Spring Check Mojab Valves DN250 series F6

Used in industrial and constructional fields and pumping stations for one-way flow of potable water and non-corrosive liquids with maximum temperature of 80oC; prevents back flow of liquids and hammer effects

  • Closing technique designed and Trimmed uniquely by AICC in order to prevent back flow of the liquid and its harmful and damaging impact
  • Suitable for installing in different positions (Vertically or horizontally)
  • Drilling and dimension of flanges according to EN 1092-2 and other standards upon request
  • Body made of ductile iron EN1563(GJS400) for PN10/16 and EN1563(GJS500) for PN25
  • Blocking Disk made of ductile iron volcanized with EPDM according to DIN53538-5 perfectly resistant against hammer effects
  • Flanges face-to-face length according to (EN558-1) DIN3202-1
  • Spindle made of stainless steel 1.4021 according to DIN17440
  • Spring made of stainless steel according to DIN17440
  • Inside and outside surfaces of ductile iron parts covered with a minimum of 250 micron epoxy electrostatic method coating according to DIN30677


PN 10 16
DN 250 250
DN (Inch) 10″ 10″
D 400 400
K 350 355
C 22 22
d 23 28
Bolts Number 12 12
Bolts Size M20 M24
E(Short) (F4) 600 600
Weight (Kg) 126 126


Body Material GJS400
Spring Material 1.4301
Obturator Disc Material GJS400 & EPDM
O-ring Material NBR
Back seal Material 1.4021
Brass Bush Material Brass
Spindle Material 1.4021



Body Test Seal Test
15 bar 10 bar
24 bar 16 bar
37.5 bar 25 bar