Valve wedge cover

Type 5200/5400

Rigid housing

Telescopic casing

Diameters DN25 – DN300



Gate valve and NWZ cover (stem extension) in a rigid or telescopic version, made of steel or galvanised metal rod with additional excellent anti-corrosive bituminous or epoxy resin coating. Supplied complete with pin. Designed for installation in the ground. Enables opening and closing of NWZ and NWZ/PE gates and plugs.

  • Square steel rod.
  • Hood and stem nut made of cast iron.
  • Spring enabling to set a telescopic housing at any length.
  • Casing pipe made of PE.
  • Anti-corrosion protection INERTOL BS10 (bituminous coating) or galvanised on request.
  • Socket (cup) protecting against penetration of dirt from outside made of PP or PE.
  • On customer’s request, hood and nut painted with epoxy powder paint with coating thickness min. 250 µm.
  • The casing length can be customised.

Download catalogue card
“Obudowa zasuwy i nawiertki NWZ- 5200,5400” PDF, 822 KB

Download declaration of performance
“Obudowy sztywne do zasuw” PDF, 83 KB

Download declaration of performance
“Obudowy teleskopowe do zasuw” PDF, 86 KB