Extraction, Draining

Guichon manufactures valves specially adapted to the withdrawal or draining of products from tanks :

Piston valve, Tank bottom valve

Metal seated piston sampling valve
DN 1/2" to 12" Class 150 to 1500 Lbs
Fabricated (welded) or cast construction
– Stainless and duplex steels, nickel alloys, special alloys (titanium, zirconium)
Tank bottom valve
Type : 602N

DN 4" Class 150 Lbs
– Disc integrated temperature sensor with converter
– Primary stem sealing with bellows
– Diaphragm actuator with emergency handwheel
– 316L stainless steel
Tank bottom valve 622M
DN 8"/60" Class 300 Lbs
– Double acting pneumatic cylinder with additional safety spring device inside the tank
– A351CF8M stainless steel


  • 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