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Tank bottom valve, “crust breaking type”
Type 4000

PN10 to PN250, 150Lbs to 1500Lbs according to DN.
DN25 to DN300 - 1" to 12"

Characteristics
Options
Achievements
Options
  • Connection :
  • All kind of connection (screwed-on, solid, floating or threaded flange, SW, BW, double male or female connection, single male or female connection or other special connections under request)
  • Operation :
  • Multiturns pneumatic control
  • Stainless steel pneumatic actuator
  • Electric actuator
  • Manual override
  • Chain handwheel
  • Manual operator with locking mechanism
  • Extended manual operator with/without cardans
  • Manual operated lever actuator
  • Manual angular gearboxes actuator
  • Manual operator mounted on ISO base for later adaptation of actuator
  • Limit switches (mechanical, inductive or other)
  • Electro-distributor
  • Junction box
  • Specific configurations :
  • Pneumatic compact version
  • Piston shaped to fit the tank or the line (no dead areas)
  • Removable seats
  • Bellows sealed stem
  • Inside and/or outside polishing
  • Heating jacket
  • Leak detector at stuffing box
  • Nitrogen flushing unit at stuffing box
  • Draining or cleaning nozzle
  • Temperature probe
  • Certifications :
  • ATEX certification
  • Fire-safe design
  • FDA certificate for body seal and packing

 

Notes :

Some options are not compatible

Special valve can be designed upon request

Dimension

DN25 to DN300

Pressure class

PN10 to PN250 - 150Lbs to 1500Lbs according to DN

Connection

Welded, screwed-on or floating flange

Type of tank bottom valve

Opening inside tank (crust breaking function)

Body shape

Outlet at 60º in STD (vertical axis), outlet at 75º, other

Wetted material

Steel, stainless steel, duplex and super duplex, inconel, incoloy®, hastelloy®, titanium, uranus®, nickel, tantalum, monel

Disc seating surface

Metal / metal, PTFE, EPDM, stellite, Viton, Viton FEP, Kalrez®, more…

Stem sealing system

Sealed O’rings stuffing box, with sealing bellows, with pure or filled PTFE rafters, stuffing box with graphite packing, double stuffing box (O’rings + packing)

Actuator

Manual, pneumatic (single or double acting), electrical, hydraulic

Breaking crust tank bottom valve DN25 PN16 in 304L stainless steel, with pneumatic actuator and temperature probe inside seat valve
Breaking crust tank bottom valve DN32 PN16 in C22 Hastelloy fully electropolished, with clamp connection and lateral nozzle
Breaking crust tank bottom valve DN50 PN16 in 316Ti stainless steel fully electropolished, with manual actuator
Breaking crust tank bottom valve DN50 PN20 in 316L stainless steel, with pneumatic actuator and extended nose with insufflation nozzle on the body
Breaking crust tank bottom valve DN80 PN50 in 200 nickel, heating jacket and pneumatic actuator
Breaking crust tank bottom valve DN100 PN20 in 600 Inconel, with pneumatic actuator and O'rings extended nose
Breaking crust tank bottom valve DN300 PN16 in 316L stainless steel, with pneumatic actuator and heating jacket
View from below the breaking crust tank bottom valve with heated flange
Batch of breaking crust tank bottom valves DN80 PN16 in 316L stainless steel, with manual actuator
Batch of breaking crust tank bottom valves PN16 in C22 Hastelloy®, with pneumatic actuator and temperature sensor through disc
Download the specification sheet
http://bom.fr/sites/default/files/manual_tank_bottom_valve_2.pdf
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