チョークバルブ

  • サイズ: 2インチ
    圧力定格:10,000 PSI(API 6Aに準拠)
    オペレーター: 電動アクチュエータ
    接続端: RTJフランジ (API 6BX)
    構成: アングルパターン、バランスのとれたケージトリム
    表面仕上げ:サンドブラストおよびエポキシコーティング
    温度範囲: -29°C~425°C
  • 概要: サイズ:1インチ、定格:10000PSI、10K、材質:ASTM A182 A105本体およびボンネット、ASTM A182 F105+TCCディスク、ASTM A182 F6Aステム、TCCオーバーレイボディシート、オペレーター:ハンドホイール、エンド:API 6A、API 6D。
  • 写真の仕様は以下のとおりです
    サイズ:3インチ
    定格: 10000PSIG
    ボディとボンネット:TC YG6
    プラグ: TC YG20
    ステム:インコネル625
    ケージ:インコネル625
    座席: YG 6
    駆動方式:電動アクチュエータ
  • 写真の仕様は以下のとおりです
    サイズ:DN100
    評価: PN100
    ボディとボンネット:A216 WCB
    プラグ: 410SS
    ステム:316SS
    ケージ: 410SS
    シート: 410SS
    駆動方式:空気圧アクチュエータ
  • 簡単な:
    サイズ:1/2インチ
    評価:4500LB
    材料:
    ASTM A105ボディとボンネット
    ASTM A105 +ステライト6ディスク
    ASTM A182 F6Aステム
    ステライト6オーバーレイボディシート
    オペレーター: ハンドホイール
    終了: ANSI B16.25に準拠したBW

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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