Gate Valve Manufacturer in Europe – Valvesonly Europe (Germany) 

High-integrity isolation valves built to API 600 / 602 / 603 and EN 1984, PED-conformant. Cast iron & ductile iron options available for water/district heating (see materials). 

Function & Working 

Linear motion wedge/slab/disc isolates flow. Our lapped seats and optimized wedge geometry ensure bubble-tight shutoff with minimal galling. 

Advantages 

  • Blow-out proof stem; backseat; stuffing box options for ISO 15848-1 
  • Hardfaced sealing (Stellite) for erosive service 
  • Pressure seal bonnet for Class 900+ steam 
  • Parallel slide design for thermal binding resistance 

Materials (incl. Cast Iron & Ductile Iron) 

Category  Material  Grades / Standards  Typical Use 
Cast Iron  Grey Iron  EN-GJL-250 (GG25) / ASTM A126 Cl.B  Water, HVAC (non-corrosive) 
Ductile Iron  Spheroidal Graphite Iron  EN-GJS-400-15 / 500-7; ASTM A536/A395  Potable/waste water, district heating 
Carbon/Low-Temp  WCB/WCC, LCB/LCC  ASTM A216/A352  Hydrocarbons, general service 
Stainless  CF8/CF8M/CF3/CF3M  ASTM A351  Corrosive lines 
Duplex/Super Duplex  CD4MCu; S32750/S32760  ASTM A890  Seawater/desalination 
Alloy Steels  WC6, WC9, C5, C12  ASTM A217  High-temp steam 
Exotics  Alloy 20, Monel, Hastelloy, Inconel, Titanium    Specialty media 
Seats/Guides  410/420/316, Stellite 6, Colmonoy    Wear-resistant sealing 

Technical Specifications 

  • Types: Solid/Flexible Wedge • Parallel Slide • Slab Gate 
  • Size: DN50–DN1200; Pressure: PN10–PN420 / Class 150–2500 
  • Ends: EN 1092 / ASME flanged; BW; SW 
  • Tests: API 598 / EN 12266-1 

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