Sampling Valve Guichon


To analyze the evolution of the product. For liquids, liquids with solid parts, powders

DN 15 to DN 50

1/2" to 2"

PN 10 to PN 50

150 to 300 Lbs



For taking samples : in tank, reactor or in-line

Operating principle – Sampling valve

– Shutter : Piston or capacitive ball

– Connection of the sampling pot according to customer’s requirement

– Accurate measurement of the sampling


Construction materials : Carbon Steel (CS), Stainless Steel (SS), Duplex & Super Duplex, Inconel

& Incoloy®, Titanium, Zirconium, Uranus® B6, Tantalum, Nickel, Hastelloy®, Monel

Construction Methods : Fabricated (Welded), Cast, Solid



 • Service conditions : High temperature, Low temperature, Abrasion, Corrosion, Vacuum

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

 • Applications : Fine chemicals, Plastics and polymers, General chemicals, Petrochemicals,

Nuclear and Naval / Submarine, Cryogenic service



DN 15 to DN 50

1/2" to 2"

PN 10 to PN 50

150 to 300 Lbs

Sealing system

• Metal-to-metal sealing with conical piston

• Radial seal with packing, o’rings, etc.

• PTFE-to-metal tightness for service temperature up to 180°C for ball types



Hand-wheel or crank according to size,handle + return spring (dead man handle),double acting

 pneumatic actuator,single acting pneumatic actuator,electric actuator,air cylinder.

Closing device

capacitive ball, straight piston, piston with conical seating surface



– adaptation to any type of connection

– hard faced seating surfaces according

– disc O’ring

– removable seat

– vacuum tightness

– additional draining and/or cleaning nozzles

– sterilization

– isolating valve at outlet branch

– stainless steel sampling pot

– heating jacket

– firesafe design

– FDA grade gaskets and packings

– inside and/or outside polishing

– leak detector at stuffing box

– stroke limit or proximity switches

– dry air actuator

– manual override for pneumatic actuator

– stainless steel pneumatic actuator

– actuator locking system (safety)

– manual operator with locking mechanism

– manual operator extension, if required with cardans

– manual operator mounted on ISO base for later adaptation of actuator

– electric actuator with local/remote controls

CAUTION : some options are not compatible

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