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Non-Rising Stem Resilient Seated Gate Valve - China Suppliers & Factory, Sizes 1 1/2-12, PN10/PN16
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Non-Rising Stem Resilient Seated Gate Valve - China Suppliers & Factory, Sizes 1 1/2-12, PN10/PN16

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Size Range: 1 1/2“-12”/DN40-DN300

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Pressure: PN10/PN16

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Body Materials: Ductile Iron

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Working Temperature: -10°C~120°C

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Type: Flange/Socket End

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Suitable Medium: Chemicals, air, water, steam, oil, acids, salts, etc.

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Description

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This Non-Rising Stem Resilient Seated Gate Valve is expertly crafted in China by reputable suppliers and factories, designed for efficient on/off (isolating) service in various fluid piping systems. Ideal for handling a range of mediums, including chemicals and water, this valve ensures reliability and performance under pressure ratings of PN10 and PN1With a size range from 1 1/2 to 12 (DN40-DN300) and a robust ductile iron body, it maintains exceptional functionality within a working temperature range of -10°C to 120°C.

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    Product Details

    Product Details

    Non-Rising Stem: The valve's handwheel and stem do not move upward when opening or closing. The stem threads are inside the valve body, engaging directly with the gate. This design saves vertical space and is ideal for confined areas.

    Resilient Seat: The gate is sheathed or coated with a flexible, corrosion-resistant material (typically EPDM or NBR rubber). This "resilient" material forms a tight, bubble-tight seal against the valve body, ensuring excellent shut-off (zero leakage) for liquids.

    ⭐ Key Features
    • Low operating torque
    • Space-saving solution
    • Corrosion-resistant epoxy coating
    • Suitable for municipal water supply
    Specification
    Non-Rising Stem Resilient Seated Gate Valve (7)
    🔩 Parts & Materials

    No.

    Part Name

    Specification

    1

    Body

    Ductile Iron GGG50

    2

    Wedge

    Ductile Iron GGG50

    3

    Wedge Coating

    NBR /EPDM EN 681-1

    4

    Wedge Nut

    Copper Alloy

    5

    Stem

    Stainless Steel X20 Cr13

    6

    Bonnet Gasket

    NBR /EPDM EN 681-1

    7

    Bonnet

    Ductile Iron GGG50

    8

    O Ring Back Sealing

    EPDM/NBR

    9

    Stem Collar

    Stainless Steel / Brass

    10

    O-Ring

    EPDM/NBR

    11

    O-Ring

    EPDM/NBR

    12

    Stuffing Nut

    Copper Alloy

    13

    Dust Guard

    EPDM/NBR

    14

    HandWheel

    Ductile Iron GGG50

    15

    Stem Cap

    Ductile Iron GGG50
    📐 Dimensions

    Size

    L

    D

    b

    EN 1092-2 PN10

    EN 1092-2 PN16

    H

    H1

    W

    W.T(kg)

    D1

    D2

    n-d

    D1

    D2

    n-d

    DN40

    140

    150

    19

    110

    84

    4-19

    110

    84

    4-19

    180

    225

    160

    9

    DN50

    150

    165

    19

    125

    99

    4-19

    125

    99

    4-19

    195

    240

    160

    11

    DN60

    170

    175

    19

    135

    108

    4-19

    135

    108

    4-19

    225

    265

    180

    14

    DN65

    170

    185

    19

    145

    118

    4-19

    145

    118

    4-19

    225

    265

    180

    14

    DN80

    180

    200

    19

    160

    132

    8-19

    160

    132

    8-19

    255

    295

    200

    17

    DN100

    190

    220

    19

    180

    156

    8-19

    180

    156

    8-19

    285

    325

    200

    21

    DN125

    200

    250

    19

    210

    184

    8-19

    210

    184

    8-19

    345

    380

    220

    29

    DN150

    210

    285

    19

    240

    211

    8-23

    240

    211

    8-23

    385

    420

    250

    38

    DN200

    230

    340

    20

    295

    266

    8-23

    295

    266

    12-23

    465

    500

    280

    58

    DN250

    250

    400

    22

    350

    319

    12-23

    355

    319

    12-28

    565

    590

    320

    90

    DN300

    270

    455

    24.5

    400

    370

    12-23

    410

    370

    12-28

    645

    67

    350

    120
    Frequently Asked Questions
    Q What is the difference between a non-rising stem gate valve and a rising stem gate valve?
    A non-rising stem gate valve keeps the handwheel and stem stationary in the vertical position during operation — the stem threads engage inside the valve body. This saves space, making it ideal for underground or confined installations. A rising stem valve has the stem move upward visibly when opened, which requires more vertical clearance.
    Q What is a resilient seated gate valve and why is it preferred for water systems?
    A resilient seated gate valve uses a rubber-coated wedge (EPDM or NBR) that forms a bubble-tight seal against the valve body. This ensures zero leakage and is especially preferred for municipal water supply systems due to its superior shut-off performance, corrosion resistance, and long service life.
    Q What materials are used in this gate valve, and are they corrosion resistant?
    The valve body, wedge, bonnet, handwheel, and stem cap are made of Ductile Iron GGG50. The stem is Stainless Steel X20 Cr13, and sealing components use EPDM/NBR rubber compliant with EN 681-1. The entire valve is coated with a corrosion-resistant epoxy coating, making it suitable for long-term use in water supply and utility applications.
    Q What pressure ratings are available for this valve?
    This non-rising stem resilient seated gate valve is available in flanged connection conforming to EN 1092-2 standards, supporting both PN10 and PN16 pressure ratings. Please refer to the dimension table above for flange drilling dimensions for each pressure class.
    Q What sizes are available for this gate valve?
    The valve is available in sizes from DN40 up to DN300, covering a wide range of pipeline applications. Each size comes with specific face-to-face length (L), flange outer diameter (D), and bolt circle dimensions compatible with EN 1092-2 PN10 and PN16 flanges.
    Q Is this valve suitable for drinking water (potable water) applications?
    Yes. The rubber sealing materials (EPDM/NBR) used in this valve comply with EN 681-1 standards, and the epoxy coating on the ductile iron body is suitable for contact with potable water. This valve is widely used in municipal water supply, waterworks, and drinking water distribution systems.

    Product Packaging

    application 1
    application 2
    application 3
    application 4
    application 5
    application 6
    01020304

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