Sewage

Sewage Combination Air Release Valve

series NVN

Application

Air release valve for sewage water

Design features

  • Spill Free - Valve will not spill before shutting off
  • Keeps dirty or corrosive liquids inside the body so noharm to surrounding environment
  • Outside screen to prevent ingress of insects
  • Triple function
  • Body design to lower sewage water flow speed
  • Strong Float to prevent damage during water hammer
  • Internal body guide and round wall to keep float movingand liquid turbulence within this area
  • Large air flow through nozzle to cater for high velocity
  • Fasteners Stainless Steel
  • Fully FBE coated inside and outside 300 μm

Technical characteristcs

  • Flange acc: EN1092-2 / BS4504, ANSI B16.5-Class 150-300
  • Testing acc: BS EN1074-4 / AWWA C512
  • Hydrostatic testing acc: EN12266 and ISO5208
  • Working pressure: PN10/16
  • Temperature up to 80°C

Downloads

  • Datasheet

  • Hygienic certificate PZH

Dimensions

DNHBStockCodeAmount
DN 50 H 521 B 19 Stock Stocked Code NVN050 Amount
DN 65 H 521 B 19 Stock Stocked Code NVN065 Amount
DN 80 H 588 B 19 Stock Stocked Code NVN080 Amount
DN 100 H 631 B 19 Stock Stocked Code NVN100 Amount
DN 150 H 719 B 19 Stock Pre-Order Code NVN150 Amount
DN 200 H 631 B 20 Stock Pre-Order Code NVN200 Amount

Related products

valve
Valves
hydrants
Hydrants
ductile fittings
Ductile iron fittings
flange adaptors
Flange adaptors and couplings
tapping sadles
Tapping saddles
other
Other products
customized
Customized Castings

Downloads

  • BLUCAST-catalogue-2026.pdf
    (3.5Mb)
  • BLUCAST-catalogue-PT-202302.pdf
    (8.5Mb)