Guichon manufactures valves specially adapted to the production of fertilizers :

Check valve & Sight glasses & Strainers, Ball and plug valve, Tank bottom valve, Gate valve

Ball type axial check valve
Type : 904

DN 1/2" to 8" Class 150 to 600 Lbs

– Stainless and duplex steels, nickel alloys, spec-ial alloys (titanium, zirconium)

Bottom outlet valve
Type : 652M

DN 3" Class 150 Lbs
– Pneumatic actuator with positionner and regulator-filter

Double disc gate valve
Type : 700

DN 1/2" to 36" Class 150 to 2500 Lbs
– Fabricated (welded) construction
– Stainless and duplex steels, nickel alloys and special alloys


  • Construction materials: Carbon Steel (CS), Stainless Steel (SS), Duplex & Super Duplex, Titanium, Zirconium, Uranus® B6, Tantalum, Nickel, Hastelloy®, Monel
  • Construction methods: Fabricated (Welded), Cast, Solid


  • Service conditions: High pressure, High temperature, Low temperature, Abrasion, Corrosion, High viscosity, Vacuum, Reliability, Low acoustic signature, Dead space free
  • Types of fluids: Liquids, Liquids with solid particles, Gas, Powder and powdery media, High viscosity fluids