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Valvole di strozzamento

  • API 10000# Motorized Choke Valve
    Valvola di strozzamento motorizzata API 10000#
    Dimensioni: 2" (2 pollici)
    Pressione nominale: 10.000 PSI (conforme ad API 6A)
    Operatore: Attuatore motorizzato
    Estremità di connessione: flangia RTJ (API 6BX)
    Configurazione: modello angolare, finiture a gabbia bilanciate
    Finitura superficiale: sabbiata e rivestita con resina epossidica
    Intervallo di temperatura: da -29°C a 425°C
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  • 1″ 10000psi Angle Choke Valve
    Valvola di strozzamento angolare da 1″ 10000 psi
    Breve: Dimensioni: 1″ Valutazione: 10000 PSI, 10K Materiali: corpo e coperchio ASTM A182 A105, disco ASTM A182 F105+TCC, stelo ASTM A182 F6A, sede del corpo con rivestimento TCC Operatore: volantino Estremità: API 6A, API 6D.
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  • Angle Choke Valve In Solid Tungsten Carbide Grade Yg6 Yg20
    Valvola di strozzamento angolare in carburo di tungsteno massiccio grado Yg6 Yg20
    LE FOTO MOSTRANO LE SPECIFICHE COME SOTTO
    DIMENSIONE: 3″
    VALUTAZIONE: 10000PSIG
    CARROZZERIA E COFANO: TC YG6
    SPINA: TC YG20
    STELO: INCONEL 625
    GABBIA: INCONEL 625
    POSTO: YG 6
    ATTUAZIONE: ATTUATORE ELETTRICO
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  • Pneumatic Choke Valve Through Conduit
    Valvola di strozzamento pneumatica attraverso il condotto
    LE FOTO MOSTRANO LE SPECIFICHE COME SOTTO
    DIMENSIONE: DN100
    VALUTAZIONE: PN100
    CARROZZERIA E COFANO: A216 WCB
    SPINA: 410SS
    STELO: 316SS
    GABBIA: 410SS
    SEDILE: 410SS
    ATTUAZIONE: ATTUATORE PNEUMATICO
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  • 1/2“ 4500lb Globe Valve
    Valvola a globo da 1/2" e 4500 libbre
    Breve:
    Dimensioni: 1/2″
    Valutazione: 4500 LB
    Materiali:
    Corpo e cofano ASTM A105
    ASTM A105 + stellite 6 Disc
    Stelo ASTM A182 F6A
    Rivestimento del sedile in Stellite 6
    Operatore: volantino
    Estremità: BW secondo ANSI B16.25
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  • 2″ 1500LB FCV Choke Valve
    2″ 1500LB FCV Choke Valve
    Nominal Size 2 Inch (DN50)
    Pressure Class 1500 LB (PN260)
    Body Pattern Angle Type
    End Connection Flange Ends, conforming to ASME B16.5
    Flow Characteristic Approximate Equal Percentage
    Flow Coefficient (Cv) Approx. 15 (Specific to opening, test curve available upon request)
    Leakage Class ANSI B16.104 Class IV (Metal Seat) or Class VI (Soft Seat, if applicable)
    Operation Manual – Aluminum Alloy Handwheel/Knob
    Temperature Range -29°C to +425°C (Dependent on gasket and packing materials)
    Applicable Media Suitable for high-pressure differential and erosive media, e.g., high-pressure water, steam, oil-gas mixtures.
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  • 12″ * 10″-600LB Open Die Forged Choke Valve
    12″ * 10″-600LB Open Die Forged Choke Valve
    Valve Type Needle / Choke Type Throttling Valve (Globe pattern or Angle pattern)
    End Connection Flanged, Raised Face (RF)
    Body Manufacturing Process Open Die Forging (Free Forging)
    Nominal Size NPS 12 × 10 (DN300 × DN250)
    Port Reduction Inlet 12″, Internal seat bore reduced to 10″
    Pressure Class Class 600 (ASME B16.5)
    Body Material A105 (Carbon Steel)
    Service Medium Water / Oil / Gas / Steam (as per process)
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  • API 3000# FCV Choke Valve
    API 3000# FCV Choke Valve
    Nominal Size 2 Inch (DN50)
    Pressure Class 1500 LB (PN260)
    Body Pattern Angle Type
    End Connection Flange Ends, conforming to ASME B16.5
    Flow Characteristic Approximate Equal Percentage
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  • API 10000# Adjustable Choke Valve
    API 10000# Adjustable Choke Valve
    1. Product Name API 6A Adjustable Choke Valve
    2. Standard API 6A 21st Ed. (or latest)
    ISO 10423
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  • 4-1/16″-3000PSI Adjustable Angle Choke Valve
    4-1/16″-3000PSI Adjustable Angle Choke Valve
    Product Name Adjustable Angle Choke Valve
    Valve Type Angle Pattern (Vertical Inlet / Horizontal Outlet)
    Nominal Size 4″ (4 1/16″ / 103 mm nominal bore)
    Pressure Rating 3000 PSI (21 MPa)
    End Connections Flanged (API 6A), Optional: Hub or Welded
    Design Standard API Spec 6A / API Spec 16C
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A choke valve is a type of control valve specifically designed to regulate the flow and pressure of fluids—especially in high-pressure systems such as oil and gas production. It works by varying the size of the flow passage through a movable component, often a plug or needle, which reduces or increases flow rate accordingly. Unlike standard valves that primarily open or close flow, choke valves are meant for precise throttling, allowing operators to control production rates and manage pressure drops in wellheads and pipelines. They are built to withstand harsh environments, including corrosive and erosive fluids, thanks to durable materials like tungsten carbide or Inconel. Choke valves can be fixed or adjustable: fixed choke valves use a static orifice size, while adjustable versions allow dynamic control via manual or automated actuation. In many systems, they serve as the first line of control, reducing pressure from reservoir levels to downstream equipment tolerances. Their reliability and accuracy make them essential in high-pressure oilfield operations, ensuring safe, stable, and efficient fluid handling over long periods.

What Are The Main Advantages Of Using Choke Valves?

Choke valves offer several advantages, particularly in high-pressure and high-flow-rate applications such as oil and gas extraction. One of their primary benefits is precise control over flow rate and pressure, which is crucial for managing reservoir output and preventing damage to downstream equipment. They also help optimize production efficiency by maintaining stable flow conditions under varying well pressures. Choke valves are designed with erosion- and corrosion-resistant materials, ensuring durability even in harsh conditions involving sand, gas, or chemically aggressive fluids. Their ability to operate reliably at high temperatures and pressures also makes them ideal for deep well and subsea operations. Another key advantage is their customization: operators can select between fixed and adjustable chokes depending on system needs. In automated systems, choke valves can be remotely controlled for real-time adjustments, contributing to intelligent field management. By effectively reducing upstream pressure and regulating output, choke valves enhance operational safety, reduce downtime, and extend the service life of equipment throughout the production line.

Choke Valves FAQ

  • 1.What is a choke valve used for?

    It controls flow and pressure in high-pressure systems.

  • 2.Are choke valves adjustable?

    Yes, some types are manually or automatically adjustable.

  • 3.Do choke valves handle abrasive fluids?

    Yes, they’re built with erosion-resistant materials.

  • 4.Where are choke valves installed?

    Mainly at wellheads, manifolds, and separators.

  • 5.Can choke valves be automated?

    Yes, many models support remote or automated control.

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