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شیرهای خفه کننده

  • API 10000# Motorized Choke Valve
    شیر انسداد موتوری API 10000#
    اندازه: ۲ اینچ (۲ اینچ)
    رتبه‌بندی فشار: 10،000 PSI (مطابق با API 6A)
    اپراتور: محرک موتوری
    انتهای اتصال: فلنج RTJ (API 6BX)
    پیکربندی: الگوی زاویه‌دار، تزئینات قفسی متعادل
    پرداخت سطح: سندبلاست و روکش اپوکسی
    محدوده دما: -29 درجه سانتیگراد تا 425 درجه سانتیگراد
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  • 1″ 10000psi Angle Choke Valve
    شیر خفه کننده زاویه ای 1 اینچی 10000psi
    خلاصه: اندازه: ۱ اینچ، رتبه‌بندی: ۱۰۰۰۰PSI، ۱۰K، جنس: بدنه و کاپوت ASTM A182 A105، دیسک ASTM A182 F105+TCC، میله ASTM A182 F6A، نشیمنگاه بدنه روکش TCC، اپراتور: چرخ دستی، انتها: API 6A، API 6D.
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  • Angle Choke Valve In Solid Tungsten Carbide Grade Yg6 Yg20
    شیر خفه کننده زاویه ای از جنس کاربید تنگستن جامد درجه Yg6 Yg20
    عکس‌ها مشخصات را به شرح زیر نشان می‌دهند
    اندازه: ۳ اینچ
    رتبه‌بندی: 10000PSIG
    بدنه و کاپوت: TC YG6
    پلاگین: TC YG20
    ساقه: اینکونل ۶۲۵
    قفس: اینکونل ۶۲۵
    صندلی: وای جی ۶
    فعال‌سازی: محرک الکتریکی
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  • Pneumatic Choke Valve Through Conduit
    شیر پنوماتیک خفه کن از طریق مجرا
    عکس‌ها مشخصات را به شرح زیر نشان می‌دهند
    اندازه: DN100
    رتبه‌بندی: PN100
    بدنه و کاپوت: A216 WCB
    پلاگین: 410SS
    ساقه: 316SS
    قفس: 410SS
    صندلی: 410SS
    عملگر: عملگر پنوماتیکی
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  • 1/2“ 4500lb Globe Valve
    شیر کروی 1/2 اینچی 4500 پوندی
    مختصر:
    اندازه: ۱/۲ اینچ
    امتیاز: 4500 پوند
    مواد:
    بدنه و کلاهک ASTM A105
    دیسک ASTM A105 + استلایت 6
    ساقه ASTM A182 F6A
    صندلی بدنه روکش دار Stellite 6
    اپراتور: چرخ دستی
    پایان: وزن بدن طبق ANSI B16.25
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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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