Tank Bottom Valves - Guichon
For all liquids, powder, gas. Optional stem bellows for dangerous medium
DN 20 to DN 400
3/4" to 16"
PN 10 to 250 acc. to size
150 to 1500 Lbs acc. to DN
Functions – Tank bottom valve
DN 20 to DN 400
3/4" to 16"
PN 10 to 250 acc. to size
150 to 1500 Lbs acc. to DN
Functions – Tank bottom valve
- tank or reactor bottom outlet valve
- tank bottom control valve
Operating principle – Tank bottom valve
Shutter: Disc or piston with vertical move
Rising disc or Disc lowering into body to open
Process/Atmosphere sealing with stuffing bow (repackable in service)
Body designed for further flowing
Fabrication
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
Uses
Service conditions : High pressure, 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
Features
DN 20 to DN 400
3/4" to 16"
PN 10 to 250 acc. to size
150 to 1500 Lbs acc. to DN
Sealing system
Disc sealing by PTFE-to-metal contact for a service temperature up to 180°C or by metal-to-metal contact.
Tank connection by means of counter flange
External tightness by means of bellows (see options list)
Operation
hand-wheel, double acting pneumatic actuator,single acting pneumatic
actuator, hydraulic actuator, electric actuator, air cylinder.
Closing device disc
Options
- adaptation to any type of connection
- “tank safe” design with double disc
- disc with double tightness system (PTFE/metal + metal/metal seated disc)
- profiled disc to fit the tank or pipe contour (no dead areas)
- disc with aluminium seating surface
- disc o’ring
- removable seat
- o’ring on body extension (no dead areas)
- vacuum tight
- stem bellows
- temperature sensor through disc
- additional draining and/or cleaning nozzles
- heating jacket
- firesafe design (certified)
- FDA grade gaskets and packing rings
- leak detector at stuffing box
- inside and/or outside polishing
- stroke limit or proximity switches
- side mounted pneumatic actuator
- manual override for pneumatic actuator
- stainless steel pneumatic actuator
- actuator locking in closed position (safety)
- manual operator with locking mechanism
- chain hand-wheel
- extended manual operator, optionally with cardans
- manual operator mounted on ISO base for later adaptation of motor
- electric actuator with local / remote controls
CAUTION: some options are not compatible