Check valves
Consult the product sheet(s) :
Check valves / Swing check valves
Réf. 33SF1E4 - 33SF0E4
Description
CAST IRON DUAL PLATE CHECK VALVE - CAST IRON EN-GJL 250 BODY - NICKELED DUCTILE IRON EN-GJS 400-15 DISC - NBR VULCANIZED SEAT - HORIZONTAL OR VERTICAL POSITION WITH ASCENDANT FLUID - BETWEEN FLANGES GN10/16 ENDS
Sector
Water HVAC
Network
Clear water - drinking water / Waste water / Fire network / Building network
Range
Check valves
Category
Swing check valves
Materials
Iron
Seals
NBR
Operator
Connection
Between flanges
Characteristics
- Vulcanized gasket
- Hoisting eye from DN200 to 600
- Short length
- Anti-corrosion stainless steel spring
- PTFE bushing
- Weak head loss
- Vertical position with ascendant fluid or horizontal position ( respect the flow direction indicated by the arrow )
- Between flanges PN10/16
- and Class 150 PN20 for DN40 and from DN100 to 600
- Anti-corrosion epoxy painting RAL003 50-100 microns thickness for body
- Minimum backpressure for tightness : 2 bars
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