HYDROPNEUMATIC || Gate valves are a type of slide valve that uses a flat or curved disc perpendicular to the process flow

HYDROPNEUMATIC | Wellhead Equipment & Controls

Gate Valve serie

a type of valve that uses a flat or curved disc perpendicular to the process flow


  • 50 years of experience in Oil & Gas, 50 years of design and production
  • 50 years of experience in Oil & Gas, 50 years of design and production
  • 50 years of experience in Oil & Gas, 50 years of design and production

The Gate Valve serie

Today’s O&G applications mean process control needs and safety system to limit any wild parameter and danger; the use of high reliable and well designed solutions to generate high efficiency and guarantee process efficacy is nowadays paramount.
Gate valves are a type of slide valve that uses a flat or curved disc perpendicular to the process flow; the disc slides into the flow stream to provide tight shut-off.
The fluid pressure acting on the disc is sufficient to produce a satisfactory seal between metal-to-metal seatings.

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The Gate Valve serie

Component Materials
Body AISI 4130
ASTM A350 LF2
Duplex & Super Duplex
ASTM A182
Bonnet As above
Seats AISI 410, F51, Inconel, all with Tungsten Carbide Overlay
Gate AISI 410, F51, Inconel, all with Tungsten Carbide Overlay
Stem 17-4PH, Inconel 718
Seals PTFE, Viton, Graphite
Body to bonnet seal AISI 316

Other materials available upon request

The Gate Valve serie

  • Typical Applications

    HydroPneumatic Gate valves are typically the perfect solution for:

    • Wellheads
    • Blowdown
    • Production
    • Heater Bypass
    • Pipeline
    • SSV (Surface Safety)
    • LPO (Line Pressure Operated)
    • HIPPS
  • Features
    • API 6A and API 6D/ASME design
    • Slab and expanding gate through Conduit design
    • Pressure rating up to ANSI 2500, API 15k PSI
    • Flanged from 1 13/16’’ up to 11’’ API
      (other ends connection available upon request)
    • Flanged from 1 13/16’’ up to 11’’ API
      (other ends connection available upon request)
    • Customized end to end dimensions
    • PSL 1-4
    • PR1-2
    • API material classes from AA through HH
    • API temperature classes from P/L through U
    • Extensive Range of Body/Trim Materials
    • Material for H2 and CO2 service
      in accordance with NACE MR01-75 latest edition
    • Forged bodies for maximum safety and reliability
    • Tungsten Carbide wear resistant Trim
    • Actuation: Manual, Pneumatic and/or Hydraulic single & double acting, Electric and Electro-hydraulic
  • Benefits
    • One single piece body and integral flanges for long service life – no welding
    • Heavy duty design to withstand service life with high thickness wall
    • Suitable for contaminated and corrosive fluids and high sand content
    • Resistant against high pressure drops
    • High seat tightness
    • Selective stem Backseat to allow stem packing replacement when under pressure
    • Bidirectional seats spring loaded and pressure energized for continuous contact gate/seat for low pressure sealing
    • Threaded packing retainer to allow bearings or stem pin maintenance when under pressure
    • Wiper ring to prevent material entrance and to provide stem alignment
    • Fugitive emission design
    • Multi purpose fitting port to allow lubrication and vent
    • Integral actuation system to reduce overall dimensions
    • Fire resistance
    • Easy maintenance design
    • Low life cycle costs

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