Diaphragm Valve Manufacturer in Europe – Valvesonly Europe 

Valvesonly Europe manufactures metallic diaphragm valves for abrasive or corrosive service where leak-tight, weir-type control is required. Manufactured under PED and conforming to EN and BS standards. 

Function & Working 

A flexible diaphragm presses onto a weir or seat to throttle or isolate flow, ideal for slurries and scaling fluids. 

Advantages 

  • Zero stem leakage path 
  • Good throttling performance for slurries/solids 
  • Easy maintenance with removable bonnet 
  • Wide selection of diaphragm and lining materials 

Materials 

Category  Material  Standards / Grades 
Body Materials  WCB, LCB, CF8, CF8M, Duplex, Super Duplex, Alloy 20, Hastelloy, Titanium  ASTM A216/A352/A351/A890/B381 
Diaphragms  EPDM, NBR, Hypalon, PTFE-backed EPDM, Viton   
Seats/Weir  SS316, SS317L, Duplex, Stellite, Tungsten Carbide   

Technical Specifications 

  • Size Range: DN15–DN300 
  • Pressure Ratings: PN10–PN40 
  • End Connections: Flanged, Threaded, Butt Weld 
  • Testing: EN 12266-1
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