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    AI Overview
    24 Inch WCB Gate Valve - API 600, ANSI 150lb
    Gearbox-operated cast steel gate valves (typically ASTM A216 WCB/LCB) are heavy-duty, industrial-grade valves designed for reliable, low-torque operation of large or high-pressure lines (API 600/603). They feature a bolted bonnet, rising stem (OS&Y), and a worm gear operator for easier opening/closing, commonly used in oil, gas, and chemical processes. 
    Key Features and Specifications 
    • Material: Cast carbon steel (WCB, LCB) for high-pressure/temperature robustness.
    • Operation: Worm gear operator (manual or with electric actuators) to reduce operating torque.
    • Standards: Designed per API 600, BS 1414, or ISO 10434.
    • Sizes/Classes: Available in large sizes (e.g., 16-inch and up) and classes from 150LB to 2500LB.
    • Design: Rising stem, bolted bonnet (or pressure seal), and flexible/solid wedge.
    • Connection: Flanged (RF/RTJ) or Butt-Weld (BW). 
    Advantages of Gearbox Operation 
    • Reduced Torque: Makes operating large gate valves manageable by a single operator.
    • Smooth Operation: Provides a smoother opening and closing motion compared to handwheels.
    • Position Indicator: Gearboxes often include a visual indicator for open/closed position.
    • Durability: Enclosed, greased gearboxes protect against dirt and external environments. 
    Common Applications 
    • Petrochemical Plants: Suitable for refineries and high-pressure/corrosion scenarios.
    • Water Treatment: Effective for large-diameter water and oil pipelines.
    • Power Plants: Used for high-temperature steam services. 
    • 12" 300LB Cast Steel Gate Valve RF WCB Gearbox API600
      The valve body is made of ASTM A216 WCB. It has the structural characteristics of rising stem, bracket, full bore and elastic wedg...
      Dvsvalve
    • worm gear cast steel gate valve - Home,KCM TECH GROUP
      Actuation: usually use hand wheel and worm gear box. Can use chain wheel and electric actuator according to buyers. ... All our ga...
      kcmtech-valve.com
    • Gate Valve Gearbox - Stard-gears
      Our Gate Valve Gearbox is suitable for iron gate valves, knife gate valves, and sluice valves. It provides excellent support for w...
      Stard-gears
    • Gearbox Gate Valve(999+) - Alibaba.com
      Key Factors in Selecting a Gearbox Gate Valve * Operational Requirements. * Gearbox Type and Actuation Method. * Material Selectio...
      Alibaba.com
    • Cast Steel Gate Valve | Walworth®
      Cast Steel Gate Valve | Walworth® CAST STEEL GATE VALVE. Suitable for installation in refineries, chemical plants, petrochemical p...
      Walworth
    • Manual Gate Valve Torque Issues? Gearbox Selection Guide
      Apr 12, 2026 — Checking whether a standalone gearbox kit fits the existing stem and ISO flange can save a high cost compared to a full valve repl...
      XINTAI Valve
    • Flanged Stainless Steel Ball Valve with Gear Box Operation
      Oct 25, 2020 — blsf series fires safe certified ball valves two-piece with a high neck these are ISO pad mounted uh high neck for thermal transfe...
      2m
      YouTube·Process Systems
    • Valve Gearbox Specifications
      Feb 16, 2023 — and provide a gear driven operation in comparison to the commonly. used lever handle operation. one benefit of the gearbox. operat...
      2m
      YouTube·Waterworks
    • Cast Steel Gate Valve - gustoengg.com
      BENEFITS. The benefits of our Cast Steel Gate Valve include its strength and durability, which allows it to withstand high pressur...
      gustoengg.com
    • 12" 300LB Cast Steel Gate Valve RF WCB Gearbox API600
      The valve body is made of ASTM A216 WCB. It has the structural characteristics of rising stem, bracket, full bore and elastic wedg...
      Dvsvalve
    • worm gear cast steel gate valve - Home,KCM TECH GROUP
      Actuation: usually use hand wheel and worm gear box. Can use chain wheel and electric actuator according to buyers. ... All our ga...
      kcmtech-valve.com
    • Gate Valve Gearbox - Stard-gears
      Our Gate Valve Gearbox is suitable for iron gate valves, knife gate valves, and sluice valves. It provides excellent support for w...
      Stard-gears
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    12" 300LB Cast Steel Gate Valve RF WCB Gearbox API600


    Dvsvalve
    https://www.dvsvalve.com › Cast Steel Gate Valve
    Dvsvalve
    https://www.dvsvalve.com › Cast Steel Gate Valve
    Ask about result
    12" 300LB gate valve is made according to API600 standard. The valve body is made of ASTM A216 WCB. It has the structural characteristics of bolt cover, rising ...Read more

    Cast Steel Gate Valve


    Walworth
    https://walworth.com › valvula_cuna
    Walworth
    https://walworth.com › valvula_cuna
    Ask about result
    CAST STEEL GATE VALVE. API-600 flanged hood design. Stem with outside screw and yoke (OS&Y). Non-rotating rising stem. Non-rising gear or handwheel operator.Read more
    Missing: Gearbox ‎| Show results with: Gearbox

    Cast Steel Valve Index


    Milwaukee Valve
    https://www.milwaukeevalve.com › uploads › Ca...
    Milwaukee Valve
    https://www.milwaukeevalve.com › uploads › Ca...
    PDF
    Ask about result
    Size range 2”- 24” (CL 150/300), 2”- 12” (CL 600). Contact factory for additional sizes. API 623 GLOBE VALVES. • Rotating seat disc for improved seating.Read more
    20 pages

    Cast Steel Gate Valve


    PRO TECH VALVES
    https://www.protechvalves.com › cast-steel-gate-valve
    PRO TECH VALVES
    https://www.protechvalves.com › cast-steel-gate-valve
    Ask about result
    GEAR OPERATED, ACTUATOR OPERATOR OPTIONAL; BY-PASS & BODY BLEED ARRANGEMENT OPTIONAL; BOLTED BONNET ON REQUEST. Cast Steel Double Disc Gate Valve. DESIGN ...Read more

    Cast Steel Gate, Globe & Check - DSI


    Forum Energy Technologies
    https://f-e-t.com › Valve Solutions › DSI
    Forum Energy Technologies
    https://f-e-t.com › Valve Solutions › DSI
    Ask about result
    DSI Cast Steel valves are renowned for their outstanding performance, reliability, and quality, featuring standard attributes often optional in different ...Read more

    Gate Valve Gearbox


    Stard-gears
    https://www.stard-gears.com › gate-valve-gearbox
    Stard-gears
    https://www.stard-gears.com › gate-valve-gearbox
    Ask about result
    The Gearbox features a sturdy and durable construction with a cast iron housing, making it resistant to corrosion and wear. With our comprehensive quality ...Read more
    People also ask
    What is the difference between API 600 and 603?
    API 600 requires a heavier wall for a given pressure rating than does ASME B16. 34. API 603 is optionally used for 150# and 300# stainless steel valves and allows a lighter wall thickness than API 600 and is used for corrosion resistant valves. API 603 wall thickness normally dual conforms to ASME B16.Jun 3, 2022

    Primary Valve Standards - LinkedIn


    LinkedIn
    https://www.linkedin.com › pulse › primary-valve-standa...
    LinkedIn
    https://www.linkedin.com › pulse › primary-valve-standa...
    Ask about result
    What is a cast steel valve?
    Cast steel valves are made by melting metal into liquid form and pouring it into a mold. Once the metal cools and solidifies, the valve body is removed and machined into shape. This process enables the creation of valve castings with intricate geometries and lower production costs.Mar 25, 2025

    Forged vs Cast Valves: Which Is Better for You? - PANS Valve


    PANS Valve
    https://www.pansvalve.com › blog › which-is-better-cast-...
    PANS Valve
    https://www.pansvalve.com › blog › which-is-better-cast-...
    Ask about result
    What is the difference between cast steel and WCB?
    WCB material originates from cast steel, with carbon providing the primary alloying element. The meaning of WCB in valve applications is “Weldable Cast B-grade Steel.” Cast steel is a broader term for casting alloys that are iron-based. The produced castings do not undergo eutectic transformation during solidification.

    WCB Valve - Meaning, vs. WCC


    QRC Valves
    https://qrcvalves.com › wcb-valve-meaning-vs-wcc
    QRC Valves
    https://qrcvalves.com › wcb-valve-meaning-vs-wcc
    Ask about result
    What are the two types of gate valves?
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    Web results

    Gear Operated Gate Valves


    Piping World
    https://www.piping-world.com › ... › Piping Valves Q&A
    Piping World
    https://www.piping-world.com › ... › Piping Valves Q&A
    Ask about result
    As per this standard the handwheel/lever force required to operate new valves should be restricted to 360 N (80 lbf). If the force exceeds this value, a gear ...Read more

    Cast Carbon Steel Gate Valves


    Ferguson
    https://www.ferguson.com › Valves › Gate Valves
    Ferguson
    https://www.ferguson.com › Valves › Gate Valves
    Ask about result
    Shop Cast Carbon Steel Gate Valves at Ferguson. Find expert-curated Gate Valves products from the #1 US plumbing supplier and top distributor of HVAC, ...
    4.8 store rating (79) · Store nearby (
    5.4 mi
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    Web results

    Cast Steel / Cast Iron / Ductile Iron Valves


    KVC Industries Corp
    https://www.kvcindustries.com › valves › ca-di-Valves
    KVC Industries Corp
    https://www.kvcindustries.com › valves › ca-di-Valves
    Ask about result
    272-CS-150 Series Cast Steel Gate Valve Class 150 WCB Body & Bonnet Bolted Bonnet 13Cr/HF Trim Flanged Ends Handwheel Operator · Log in to see price. 272-CS ...Read more
    Missing: Gearbox ‎| Show results with: Gearbox

    Cast Steel Gate Valves


    Winsupply
    https://pimmedia.winsupplyinc.com › pim › CUT
    Winsupply
    https://pimmedia.winsupplyinc.com › pim › CUT
    PDF
    Ask about result
    Flanged End-Crane cast steel gate valves are available in flanged end and butt weld ends. All flanged and butt welding end valves are designed to conform to ...Read more
    3 pages
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