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Piston valves

From customizable standard to 100% tailor-made

Le standard
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Standard characteristics (Ducroux Type 910):

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  • NOMINAL DIAMETER: DN 25 to 250

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

  • BODY: 1 entry/1 exit

  • BASE SEALS: Flat PTFE

  • PISTON: Flat nose/Non-rotating

  • SEALING CONTACT: Axial: Hardened metal/metal contact according to your needs

  • RADIAL: Contact metal/PTFE or graphite

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

  • CONNECTION: PN16 flanges (screwed or solid). Base to be welded on the tank or piping

  • ROD: Rotating or rising according to DN

  • MANEUVER NUTS: Anti-seize treated stainless steel

  • EXIT INCLINATION: 17°

Personnalisations

Our piston valves are available in special productions

DOUBLE ENVELOPE

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CUSTOM MULTI-WAYS

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COLLECTOR

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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

Base seals

  • 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

Toppings

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

Sealing scope

  • Axial: Hardened metal/metal contact according to your needs (see materials)

  • radial:  Contact metal/PTFE or graphite (see trims)

Isometry

  • Inclines:  on demand

  • Base or manifold:  on request flat or curved

  • Multi-way body:  on demand

Types of connection

  • welding :  Butt welding, Socket welding

  • flanged:  Screwed, solid or rotating

  • tapped:  Gas, NPT, others

Ordered

  • Manual: with or without reducer

  • Pneumatic: piston, single or double effect

  • Electric: with or without fail safe

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

Instrumentation

  • Temperature sensor

  • Limit switch (inductive or dry contact)

  • solenoid valve

  • Positioner

Approvals

  • ATEX - ACS - ADR - RID - PMUC - ISO 10497 - API 607 - EN15848 – APSAD – others

Additional options

  • rotating piston,

  • gas box,

  • test sockets, 

  • injections, 

  • Construction for regulation,

  • Others

Sur-mesure

You did not find the desired product ?

Opt for the tailor-made product

Gallery

Galerie
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