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Mechanically welded tank bottom valves

From customizable standard to 100% tailor-made

Le standard
Robinets fond de cuve mécano-soudés

Standard characteristics (Ducroux Type X400):

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  • NOMINAL DIAMETER: DN 25 to 250

  • CONSTRUCTION: Mechanically welded. Wetted parts: 316L stainless steel (other 304L) 

  • SEALS (SEAT AND BASE): Flat PTFE

  • VALVE: Articulated upright

  • CABLE GLAND: Bolted and self-compensating, PTFE lined

  • CONNECTION: PN16 flanges (screwed in, rotating out).  Base to be welded on the tank

  • STEM: Rising non-rotating, externally threaded

  • MANEUVER NUTS: Anti-seize treated stainless steel

  • INTERCHANGEABLE SEAT: Metal with or without PTFE insert

  • EXIT INCLINATION: Square or 17°

  • TECHNICAL SHEET: Standard tank bottom

Personnalisations

Our tank bottom valve is available in special productions

DOUBLE ENVELOPE

Robinet fond de cuve double enveloppe

FIRE SAFETY

Robinet fond de cuve sécurité feu

COLLECTOR

Robinet fond de cuve collecteur

Materials

  • Stainless steel:  304L, 316L, 316Ti, 321, 904L, U65, others
    Duplex: U45, others

  • Nickel alloys:  Hastelloy, Inconel, Incoloy, Nickel 200 and 201, Monel and others

  • Titaniums

  • Others :  Zirconium, Tantalum

Gaskets

  • Materials :  Modified PTFE, filled PTFE, graphite, stainless steel, others

  • Types:  Flat, corrugated, spiral, annular, welded lips, welded inserts or others

  • Interlocking:  Single, double or without

Types of connection

  • welding :  Butt welding, Socket welding

  • flanged:  Screwed, solid or rotating, PN on request

  • tapped:  Gas, NPT, others

  • specials:  Glued, SMS, picons, smooth ends, others

Additional options

  • test sockets,

  • injections,

  • Others

Toppings

  • Materials :  Modified PTFE, filled PTFE, graphite, others

Sealing scope

  • Materials :  Stellite, Hastelloy, Hard Chrome, Stainless Steel and others

  • Types:  Massif, or refills

Isometry

  • Inclines on request

  • Tank base:  flat or curved

Actuators

  • Pneumatic: Piston, membrane, single or double effect

  • Electric: With or without fail safe

  • Option: Additional manual emergency control, padlockable control, remote control, reducer
     

Instrumentation

  • Temperature sensor

  • Limit switch (inductive or dry contact)

  • solenoid valve

  • Positioner

Approvals

  • ATEX - ACS - ADR - RID - PMUC - ISO 10497 - API 607 - EN15848 - APSAD - RCC-M/MR – others

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Gallery

Galerie
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