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    AI Overview
    IB18S Series Horizontal Bucket Traps | Bestobell Steam Traps
    Carbon iron (or cast iron) inverted bucket steam traps are durable, mechanical devices designed for reliable condensate drainage and high resistance to water hammer, typically rated for pressures up to 250 psig. They operate by using a buoyant inverted bucket to control a valve, creating a water seal that prevents live steam loss. 
    This video explains how an inverted bucket steam trap works:
    Related video thumbnail
    1m
    How Does An Inverted Steam Trap Work
    State Supply
    YouTube• Sep 9, 2021
    Key Features and Benefits 
    • Robust Construction: Cast iron bodies (often ASTM A126 Class B) provide long service life.
    • Water Hammer Resistance: The rugged design withstands severe water hammer conditions.
    • Continuous Drainage: They handle condensate load efficiently, providing continuous, rather than just intermittent, discharge.
    • Dirt Handling: Dirt and scale pass through easily, as the discharge orifice is at the top.
    • Air Venting: Small vent hole in the bucket allows air and non-condensable gases to escape. 
    Typical Specifications (e.g., Armstrong 800 Series, Colton CB8) 
    • Body Material: Cast Iron (ASTM A126) or Ductile Iron.
    • Internal Mechanism: Stainless steel.
    • Pressure Range: Up to 250 psig (17 barg).
    • Temperature Rating: Up to 450°F (232°C).
    • Sizes: Usually range from 1/2" to 3" NPT or flange. 
    Applications 
    • Steam Mains: Ideal for low-pressure steam main drainage.
    • Heat Exchangers: Used in heater units and laundry equipment.
    • Process Equipment: Suitable for various industrial process applications. 
    Common Models 
    • Armstrong 800 Series (e.g., 811, 812, 813).
    • Spirax Sarco Cast Iron (e.g., 64160, 64163).
    • Colton CB8 Series. 
    Considerations 
    • Freezing: Must be protected against freezing in exposed locations.
    • Prime Requirement: Needs a water seal ("prime") to function; can lose prime if superheated steam dries it out (requires a check valve).
    • Air Handling: Discharges air, but only at the speed of the small vent hole. 
    • Spirax Sarco Inverted Bucket Steam Traps | Cooney Brothers
      Spirax Sarco inverted bucket steam traps are available in a variety of sizes and pressures: * **64160** 3/4 in, FNPT, 450 deg F, 3...
      Cooney Brothers
    • Inverted Bucket Steam Traps | US - Spirax Sarco
      The Inverted Bucket steam trap is available in sizes ranging from 1/2" - 3". Inverted bucket traps are the most robust type of the...
      Spirax Sarco
    • Inverted Bucket Steam Traps | MKS Pipe and Valve
      Back * 425 deg C (3) Temperature Rating 425+deg+C 425 deg C. * 450 deg F (13) Temperature Rating 450+deg+F 450 deg F.
      MKS Pipe and Valve
    • Inverted Bucket Steam Traps Series B - National Pump Supply
      Cast iron bodies for long, dependable life. Wide range of seat pressures available – up to 250 psig to fit a wide variety of appli...
      National Pump Supply
    • Inverted Bucket Steam Trap - CB Series - Colton Industries
      The Colton CB8 is a horizontal style cast iron steam trap. It's available in sizes 1/2" to 2-1/2" npt for saturated steam pressure...
      Colton Industries
    • How Does an Inverted Bucket Steam Trap Work
      Oct 4, 2023 — hello I'm Cole with Statesfly. and today we're going to be talking about the operation of an inverted bucket trap and we're going ...
      3m
      YouTube·State Supply
    • HTR-12 Inverted Bucket Steam Trap | Hels Industrial
      The HTR-12 has the following properties: * Body: GGG40,3 cast iron * Inner parts: Stainless steel * Max. working pressure: 16 bar ...
      hels.com.tr
    • How Does An Inverted Steam Trap Work
      Sep 9, 2021 — going over some pros and cons for the inverted bucket trap inverted bucket traps handle high pressure applications. they're durabl...
      1m
      YouTube·State Supply
    • Inverted Bucket Steam Trap - Tutorial
      Dec 7, 2010 — the IV steam trap is a continuous drainage intermittent discharge device that operates on a mechanical principle. the heart of the...
      2m
      YouTube·AffiliatedSteam
    • Spirax Sarco Inverted Bucket Steam Traps | Cooney Brothers
      Spirax Sarco inverted bucket steam traps are available in a variety of sizes and pressures: * **64160** 3/4 in, FNPT, 450 deg F, 3...
      Cooney Brothers
    • Inverted Bucket Steam Traps | US - Spirax Sarco
      The Inverted Bucket steam trap is available in sizes ranging from 1/2" - 3". Inverted bucket traps are the most robust type of the...
      Spirax Sarco
    • Inverted Bucket Steam Traps | MKS Pipe and Valve
      Back * 425 deg C (3) Temperature Rating 425+deg+C 425 deg C. * 450 deg F (13) Temperature Rating 450+deg+F 450 deg F.
      MKS Pipe and Valve
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    Web results

    Inverted Bucket Steam Trap - 800 Series | Armstrong


    Armstrong International
    https://armstronginternational.com › Products
    Armstrong International
    https://armstronginternational.com › Products
    800 Series Inverted Bucket Steam Trap in cast iron for horizontal installation, with continuous air venting at steam temperature, free-floating stainless steel ...Read more
    Carbon Iron Inverted Bucket Steam Trap from armstronginternational.com

    Inverted Bucket Steam Traps | US


    Spirax Sarco
    https://www.spiraxsarco.com › global › en-US › products
    Spirax Sarco
    https://www.spiraxsarco.com › global › en-US › products
    The Inverted Bucket steam trap is available in sizes ranging from 1/2" - 3". Inverted bucket traps are the most robust type of the mechanical traps.Read more
    Carbon Iron Inverted Bucket Steam Trap from www.spiraxsarco.com
    Videos
    How Does an Inverted Bucket Steam Trap Work
    YouTube · State Supply
    Oct 4, 2023
    YouTube · State Supply
    3:42
    Steam and condensate enter the bottom, causing the bucket to float and seal. When steam condenses, the bucket drops, releasing condensate.
    State Supply
    YouTube·
    Oct 4, 2023

    How Does an Inverted Bucket Steam Trap Work

    YouTube·State Supply·Oct 4, 2023
    YouTube
    How Does An Inverted Steam Trap Work
    YouTube · State Supply
    Sep 9, 2021
    YouTube · State Supply
    1:36
    Inverted bucket traps handle high pressure and dirt well. They need a water seal to operate and discharge air slowly.
    State Supply
    YouTube·
    Sep 9, 2021

    How Does An Inverted Steam Trap Work

    YouTube·State Supply·Sep 9, 2021
    YouTube
    In this video
    • 00:00
      State Supply Intro
    • 00:07
      Inverted Bucket Trap Pros and Cons
    • 00:33
      Inverted Bucket Trap Operation
    • 01:17
      State Supply Outro
    Inverted Bucket Steam Trap - Tutorial
    YouTube · AffiliatedSteam
    Dec 7, 2010
    YouTube · AffiliatedSteam
    3:03
    An inverted bucket steam trap operates on a mechanical principle using a bucket that acts as an open float to discharge air and condensate.
    AffiliatedSteam
    YouTube·
    Dec 8, 2010

    Inverted Bucket Steam Trap - Tutorial

    YouTube·AffiliatedSteam·Dec 8, 2010
    YouTube
    In this video
    • 00:19
      The Bucket
    • 00:35
      Bucket Vent
    • 01:05
      Body of the Trap
    • 01:34
      Working Principle
    • 02:43
      Air Flow
    View all

    Web results

    Spirax Sarco Inverted Bucket Steam Traps | Cooney Brothers


    Cooney Brothers
    https://www.cooneybrothers.com › ... › Steam Traps
    Cooney Brothers
    https://www.cooneybrothers.com › ... › Steam Traps
    Spirax Sarco Inverted Bucket Steam Traps are part of Cooney Brothers' inventory of Steam Traps and are available from 1/2 in to 2 in and in cast iron or ...
    Carbon Iron Inverted Bucket Steam Trap from www.cooneybrothers.com
    $237 to $1,679 · 2-day delivery · 60-day returns

    Inverted Bucket Steam Traps Series B


    National Pump Supply
    https://www.nationalpumpsupply.com › inverted-bucket-...
    National Pump Supply
    https://www.nationalpumpsupply.com › inverted-bucket-...
    Cast iron bodies for long, dependable life. Wide range of seat pressures available – up to 250 psig to fit a wide variety of applications ...Read more
    Carbon Iron Inverted Bucket Steam Trap from www.nationalpumpsupply.com
    $235 to $999 · 30-day returns

    IB Series | Inverted Bucket | Steam Traps


    Watson McDaniel
    https://www.watsonmcdaniel.com › configuration
    Watson McDaniel
    https://www.watsonmcdaniel.com › configuration
    DRIP, TRACING, PROCESS: IB Series inverted bucket steam traps are used in drip applications to remove condensate from steam mains and steam supply lines.Read more
    Carbon Iron Inverted Bucket Steam Trap from www.watsonmcdaniel.com

    880 Series Inverted Bucket Steam Traps


    Armstrong International
    https://armstronginternational.com › uploads › D...
    Armstrong International
    https://armstronginternational.com › uploads › D...
    PDF
    Description. The most reliable steam trap known – the inverted bucket – provides efficient condensate drainage of virtually all types of steam-using.Read more
    Carbon Iron Inverted Bucket Steam Trap from armstronginternational.com

    Inverted Bucket Steam Traps


    Bestobell Aquatronix
    https://www.bestobell.com › products › inverted-bucket-t...
    Bestobell Aquatronix
    https://www.bestobell.com › products › inverted-bucket-t...
    Inverted Bucket Steam Traps are ideal for higher pressure services and feature a heavyduty carbon steel body and stainlesssteel bucket from Bestobell.
    Carbon Iron Inverted Bucket Steam Trap from www.bestobell.com

    DN20 PN40 Carbon Iron Inverted Bucket Steam Trap WCB


    Dvsvalve
    https://www.dvsvalve.com › Other Valve
    Dvsvalve
    https://www.dvsvalve.com › Other Valve
    The inverted bucket type steam trap is known as the most reliableone. It provides efficient condensate drainage ofbasically allkinds of steam-usingdevice.Read more
    Carbon Iron Inverted Bucket Steam Trap from www.dvsvalve.com

    High-Flow Inverted Bucket Steam Traps


    Grainger
    https://www.grainger.com › ... › Steam Traps
    Grainger
    https://www.grainger.com › ... › Steam Traps
    High-flow inverted bucket steam traps feature durable all-metal construction and use a mechanical float mechanism to separate steam from fluid condensate.Read more
    Carbon Iron Inverted Bucket Steam Trap from www.grainger.com

    Inverted Bucket Steam Trap - CB Series


    Colton Industries
    https://coltonind.com › Shop
    Colton Industries
    https://coltonind.com › Shop
    Vertical style cast iron body. Available in sizes 1/2″ to 2-1/2″ npt for saturated steam pressures limited to 250 psig at temperatures not to exceed 406 deg ...Read more
    Carbon Iron Inverted Bucket Steam Trap from coltonind.com
    Discussions and forums
    Inverted bucket steam trap tutorial
    Reddit · 
    r/engineering
     · 3 comments
     · 15 years ago
    Inverted bucket steam trap tutorial
    Reddit · 
    r/engineering
     · 3 comments
     · 15 years ago
    I don't completely understand this. So basically, when there is too much steam, the bucket lowers and lets it out of the valve?  More
    How does the inverted bucket steam trap work? Does it work continuously ...
    Quora · 
    1 answer
     · 5 years ago
    How does the inverted bucket steam trap work? Does it work continuously ...
    Quora · 
    1 answer
     · 5 years ago
    The condensate is discharged, followed by steam, which is required to actuate the float mechanism. Some inverted bucket traps are fitted with an ...  More
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