Guichon manufactures valves specially adapted to sampling processes :

Sampling valve

Soft seated piston sampling valve
DN 1/2" Class
– Wafer type
– Polished piston flush with flange
Sampling valve
DN 2" Class 150 Lbs
– Mirror polished internal and external surfaces
– Glass receiving pot in stainless steel protection hood, bayonet coupling
– Quick body dismantling with clamp coupling
– Exhaust valve
– 316L stainless steel
Sampling valve
DN 1" Class 150 Lbs
– Wetted parts in Hastelloy ®, surface finish Ra <= 0,6 µ - Glass receiving pot - Clamp connection for quick body opening - Exhaust valve


  • 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
  • Types of fluids: Liquids, Liquids with solid particles, Gas, Powder and powdery media, High viscosity fluids