Injection valve


Injection valve

Our injection valve :

For any fluid, good “crust breaking” function. Metal/metal seating for abrasive or polymerising fluid.

DN 15 to DN 200
1/2" to 8"
PN 10 to PN 420
150 to 2500 Lbs

Functions – Injection valve

♦ feeding valve: installed on tank/reactor walls or dome
♦ injection valve: mounted on a section of piping

Operating principle – Injection valve

– Shutter : Polished piston
– Sealing : With stuffing box (repackable in service)
– “No dead zone” design for accurate mesurement

Fabrication – Injection valve

  • 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 – Injection valve

    • Service conditions : High pressure, High temperature, Low temperature, Abrasion, Corrosion
    • Types of fluids : Liquids, Liquids with solid particles, Gas, Powder and powdery media, High viscosity fluids
    • Applications : Fine chemicals, Plastics and polymers

    Features & Options

    Injection valve

    DN 15 to DN 200
    1/2" to 8"
    PN 10 to PN 420
    150 to 2500 Lbs

    Sealing system

    ♦ Metal-to-metal seating with conical piston
    ♦ Radial soft seating with packing, o’rings, etc.


    Handwheel or crank according to size, double acting pneumatic actuator, single acting pneumatic actuator (depending on size/pressure class and/or stroke), hydraulic actuator, electric actuator, air motor.

    Closing device

    piston with conical seating, straight piston

    Options – Injection valve

    – adaptation to any type of connection
    contoured piston to match the tank or line profile (no dead area)
    crust breaking function
    – hard faced seating surfaces according to media and/or pressure
    – vacuum tightness
    – firesafe design
    heating jacket
    – FDA grade gaskets and packings
    leak detector at stuffing box
    interchangeable seat
    – inside and/or outside polishing
    – additional draining and/or cleaning nozzles
    stroke limit or proximity switches
    – manual override for pneumatic actuator
    – dry air actuator
    – stainless steel pneumatic actuator
    – pneumatic actuator with stroke damper if trip time > 50 mm/s
    – actuator locking system (safety)
    – manual operator with locking mechanism
    – chain handwheel
    – 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