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    About 110,000 results (0.23s) 
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    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    A Non-Rising Stem (NRS) gate valve, or inside screw valve, is a compact valve where the stem rotates to move the gate up and down without moving vertically itself. Ideal for limited space (e.g., underground, piping, and wellheads), the stem nut is inside the body, minimizing height. 
    Key Features and Benefits 
    • Space-Efficient: The stem does not rise above the handwheel, ideal for tight, vertical-restricted locations.
    • Operating Mechanism: As the handwheel turns, the gate moves along the threaded stem (similar to a nut on a bolt).
    • Reduced Risk of Damage: Because the stem does not move up, it is less susceptible to external damage or atmospheric corrosion.
    • Position Indication: Often requires an indicator to show if the valve is open or closed, as the stem position does not change.
    • Ideal Applications: Commonly used in waterworks, underground fire protection, oil & gas pipeline, and petrochemical, where height restrictions exist. 
    NRS vs. Rising Stem Gate Valve 
    • Non-Rising Stem (NRS): Stem nut inside body; low profile; threads are in contact with the fluid (prone to erosion).
    • Rising Stem (OS&Y): Stem moves up; easy to detect position; stem threads are external and easily lubricated. 
    Common Material Options 
    • Body: Ductile Iron (e.g., GGG50), Carbon Steel, Stainless Steel, Cast Iron.
    • Seat/Stem: Bronze (e.g., ASTM B62), Brass (e.g., ASTM B16), Metal-to-metal seating. 
    • HardHat Engineerhttps://hardhatengineer.com
      Rising Stem Vs. Non-rising Stem Gate Valve
      Sep 5, 2024 — Non-Rising Stem Gate Valve / Inside Screw Valve Unlike the rising stem type, there is no upward movement of the stem here. The ste...
    • Walworthhttps://walworth.com
      Non Rising Stem Gate Valve (NRS) For General Service - Walworth
      bronze ring ASTM B62 grade C83600 (Metal – Metal seat). * Non Rising Stem (NRS). * Stem material in brass ASTM B16. * Seat Ring in...
    • Dvsvalvehttps://www.dvsvalve.com
      How to Distinguish between Rising Stem Gate Valves and Non-Rising Stem Gate Valves?
      Dec 6, 2023 — There are two types of gate valves: * **Non-rising stem gate valves** The stem nut is located inside the valve body and in direct ...
    Show all
    • HardHat Engineerhttps://hardhatengineer.com
      Rising Stem Vs. Non-rising Stem Gate Valve
      Sep 5, 2024 — Non-Rising Stem Gate Valve / Inside Screw Valve Unlike the rising stem type, there is no upward movement of the stem here. The ste...
    • Walworthhttps://walworth.com
      Non Rising Stem Gate Valve (NRS) For General Service - Walworth
      bronze ring ASTM B62 grade C83600 (Metal – Metal seat). * Non Rising Stem (NRS). * Stem material in brass ASTM B16. * Seat Ring in...
    • Dvsvalvehttps://www.dvsvalve.com
      How to Distinguish between Rising Stem Gate Valves and Non-Rising Stem Gate Valves?
      Dec 6, 2023 — There are two types of gate valves: * **Non-rising stem gate valves** The stem nut is located inside the valve body and in direct ...
    • VINCER Valvehttps://www.vincervalve.com
      VINCER Non-Rising Stem Gate Valve
      What features make Non-Rising Stem Gate Valves unique? Non-Rising Stem gate valves offer several features that enhance their perfo...
    • www.hearkenflow.comhttps://www.hearkenflow.com
      What is the differences between rising stem gate valve and non- ...
      Jun 14, 2024 — The advantage of non-rising stem valve The height of the gate valve always remains unchanged, so the installation space is small, ...
    • www.weldonvalves.comhttps://www.weldonvalves.com
      Rising Stem Gate Valve vs. Non-Rising Stem Gate Valve | Weldon
      Dec 9, 2024 — Advantages of Non-Rising Stem Gate Valves ... Non-rising stem valves are highly compact, making them perfect for installations wit...
    • RAYS Flow Controlhttps://www.raysvalve.com
      Non-Rising Stem Gate Valve - RAYS Flow Control
      * Application Scenario: The non-rising stem gate valve is generally used in strict requirements on the height of the valve, but th...
    • Hebei Jinghangyu Valve Manufacturing Co., Ltd.https://www.jhyvalve.com
      Non Rising Stem Gate Valve
      Gate valves feature a valve body that houses the gate, a bonnet that covers the sealing components, the flow passage, and a stem t...
    • VALTECCNhttps://www.valteccn.com
      Non Rising Stem Gate Valve - VALTECCN Gate Valve Manufacturers
      Mar 26, 2024 — It's characterized by a stem that doesn't rise when opened and closed. This design makes the valve more convenient to operate in a...
    • مؤسسة رعاية المياهhttps://carewater.solutions
      What is a non-rising stem gate valve - Carewater Solutions
      Mar 18, 2024 — The non-rising stem, also known as an external stem, is used to open and close the gate. Non-rising stem gate valves have several ...
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    Videos
    Rising Stem Valve Vs Non-rising Stem Gate Valve
    YouTube · HardHat Engineer
    Sep 3, 2024
    YouTube · HardHat Engineer
    4:22
    Non-rising stem gate valves are compact, ideal for limited headroom or underground installations, but stem threads are exposed to fluid.
    HardHat Engineer
    YouTube·
    Sep 3, 2024

    Rising Stem Valve Vs Non-rising Stem Gate Valve

    YouTube·HardHat Engineer·Sep 3, 2024
    YouTube
    In this video
    • 00:00
      Introduction
    • 00:41
      Understanding Rising Stem Gate Valves
    • 01:47
      Advantages of Rising Stem Gate Valves
    • 02:01
      Learn More About 18 Types of Valves-Full Cours
    • 02:22
      Understanding Non-Rising Stem Gate Valves
    • 03:11
      Advantages and Disadvantages of Non-Rising Stem Gate Valves
    • 03:29
      Choosing Between Rising and Non-Rising Stem Gate Valves
    • 04:05
      Conclusion and Final Thoughts
    Understanding Gate Valves: Rising vs Non-Rising Stems ...
    YouTube · WARE Boilers
    Nov 8, 2023
    YouTube · WARE Boilers
    1:26
    Rising stem gate valves show if they're open or closed by the stem's position, while non-rising stems require attempting to open or close them.
    WARE Boilers
    YouTube·
    Nov 8, 2023

    Understanding Gate Valves: Rising vs Non-Rising Stems ...

    YouTube·WARE Boilers·Nov 8, 2023
    YouTube
    Non-Rising Stem Resilient Seated Gate Valve withTop ...
    YouTube · THINKTANK
    Aug 16, 2025
    YouTube · THINKTANK
    1:06
    THINKTANK
    YouTube·
    Aug 16, 2025

    Non-Rising Stem Resilient Seated Gate Valve withTop ...

    YouTube·THINKTANK·Aug 16, 2025
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    Web results

    Non Rising Stem Gate Valve


    DHV Industries
    https://www.dhvindustries.com › Shop
    DHV Industries
    https://www.dhvindustries.com › Shop
    Metal to Metal seat, Parallel Gate and seal with ring · Slab Gate with Hard Face · Positive upstream and downstream seal · Automatic Cavity Pressure reliefRead more

    Series 372 Non Rising Stem (NRS) Gate Valve


    Victaulic
    https://www.victaulic.com › Products
    Victaulic
    https://www.victaulic.com › Products
    Series 372 Non Rising Stem (NRS) Gate Valve · Available Sizes: 2 ½” – 16” IPS · Pressure Class: 250 psi /1725 kPa /17 Bar · Operating Temperature: -20°F to + 180°F ...Read more
    Missing: Wellhead ‎| Show results with: Wellhead

    Differences between Rising Stem Gate Valves and Non ...


    kxcvalve.com
    https://www.kxcvalve.com › news › rising-stem-gate-val...
    kxcvalve.com
    https://www.kxcvalve.com › news › rising-stem-gate-val...
    Jul 13, 2021 — The two are different in transmission mode, valve body structure, installation space, application range and etc.Read more
    Missing: Wellhead ‎| Show results with: Wellhead

    Non-rising stem gate valve


    GTeek
    https://www.gteek.com › non-rising-stem-gate-valve
    GTeek
    https://www.gteek.com › non-rising-stem-gate-valve
    Explore Non-Rising Stem Gate Valves designed for compact operation and efficient flow control in clean liquids and gases.
    4–10 day delivery · 14-day returns
    Missing: Wellhead ‎| Show results with: Wellhead
    People also ask
    What is a non-rising stem gate valve?
    Part of a video titled Rising Stem Valve Vs Non-rising Stem Gate Valve - YouTube
    2:22
    4:21
    HardHat Engineer
    YouTube·
    Sep 3, 2024

    Rising Stem Valve Vs Non-rising Stem Gate Valve

    YouTube·HardHat Engineer·Sep 3, 2024
    YouTube
    In this video
    "...Or where headroom is restricted. However because the stem threads are exposed to the fluid medium. This type of valve is more susceptible to corrosion...."
    From 2:22
    Part of a video titled Rising Stem Valve Vs Non-rising Stem Gate Valve - YouTube
    Or where headroom is restricted. However because the stem threads are exposed to the fluid medium.MoreOr where headroom is restricted. However because the stem threads are exposed to the fluid medium. This type of valve is more susceptible to corrosion.

    Rising Stem Valve Vs Non-rising Stem Gate Valve - YouTube


    YouTube
    https://www.youtube.com · HardHat Engineer
    YouTube
    https://www.youtube.com · HardHat Engineer
    What is the difference between rising and non rising valves?
    The rising stem connects to a stem nut on the valve bonnet or a separate bracket, and as the handwheel is turned, the stem and the gate rise together. The John Fig 600 range are available for this selection. In non-rising stem gate valves, the stem does not move up or down externally.Oct 2, 2024

    Difference between Rising and Non-Rising Stem Gate Valves.


    John Valves
    https://johnvalves.com.au › rising-and-non-rising-stem-g...
    John Valves
    https://johnvalves.com.au › rising-and-non-rising-stem-g...
    What is the difference between OS&Y and non rising stem?
    NRS means Non-Rising Stem. OS&Y means Outside Stem and Yoke. In an NRS valve, the stem will turn to open and close the gate, but the stem does not move up or down as it turns. With a OS&Y valve, as the stem turns, it moves into or out of the valve, which also moves the gate to open or seal the valve.

    FAQs - McWane Pocket Engineer


    McWane Pocket Engineer
    https://pe.mcwane.com › valve-hydrant › mh-valve › faqs
    McWane Pocket Engineer
    https://pe.mcwane.com › valve-hydrant › mh-valve › faqs
    How does a non-rising spindle work?
    A non-rising stem gate valve functions by using a threaded stem that remains stationary while the gate moves up and down to open or close the flow. The stem is threaded on the inside and connects directly to the gate, which moves along the stem's threads when the handwheel is rotated.Mar 21, 2023

    The Ultimate Guide to Rising Stem Gate Valve vs. Non-Rising Stem ...


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    Web results

    Rising Stem Vs. Non-rising Stem Gate Valve


    HardHat Engineer
    https://hardhatengineer.com › rising-stem-vs-non-rising-s...
    HardHat Engineer
    https://hardhatengineer.com › rising-stem-vs-non-rising-s...
    Next, let's look at the Non-Rising Stem Gate Valve, also known as the Inside Screw Valve. Unlike the rising stem type, there is no upward movement of the stem ...Read more

    WFT-S Gate Valve


    Weatherford International
    https://www.weatherford.com › drilling › wft-s-g...
    Weatherford International
    https://www.weatherford.com › drilling › wft-s-g...
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    Weatherford's WFT-S gate valve uses the natural force of line pressure to provide an effective seal on the flow stream. The floating/slab-gate design of these ...Read more

    Rising Stem Valves - Ball, Gate, vs. Non-Rising


    QRC Valves
    https://qrcvalves.com › rising-stem-valves
    QRC Valves
    https://qrcvalves.com › rising-stem-valves
    Rising stem valves provide a stem that rises or falls as the valve opens or closes. Learn how it works and compare it the non-rising version.

    How to Distinguish between Rising Stem Gate Valves and ...


    Dvsvalve
    https://www.dvsvalve.com › blog › how-to-distinguish-...
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    Non rising stem gate valve: The stem nut is located inside the valve body and in direct contact with the medium. When opening and closing the gate, ...Read more

    Non-Rising Stem (NRS)


    American Backflow
    https://backflowparts.com › brand › non-rising-stem-nrs
    American Backflow
    https://backflowparts.com › brand › non-rising-stem-nrs
    Non-Rising Stem (NRS) ... Non-Rising Stem (NRS). Select Size: 2 1/2" · 3" · 4" · 6" · 8" · 10" · 12" · product. 10″ Flg x Flg NRS Gate Valve · 10" Flg x Flg NRS ...Read more
    Missing: Wellhead ‎| Show results with: Wellhead
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