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  • Check Valve
    • Axial Flow Check Valve
    • Piggable Check Valve
    • Cryogenic Check Valve
  • Pig Valve
    • Pigging Valve
    • Piggable 3-Way Diverter Valve
    • Different Diameter Pig Valve
  • ESD Valve
    • ESD Valve
  • Ball Valve
    • Fully Welded Ball Valve
    • Jacketed Ball Valve
    • Cryogenic Ball Valve
    • Slurry Ball Valve
    • Oxygen Ball Valve
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    • Four Way Ball Valve
    • Floating Ball Valve
    • Trunnion Mounted Ball Valve
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    • NDIV Rising Stem Ball Valve
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    • Automatic Recirculation Valve

Tel: +86-813-8104890

Fax: +86-813-8104921

E-mail:intlsales@dippervalve.com

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NDIV Rising Stem Ball Valve
NDIV Rising Stem Ball ValveNDIV Rising Stem Ball Valve
NDIV Rising Stem Ball Valve
Product Info
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The NDIV Rising Stem Ball Valve has involved in National Energy Bureau And China National Petroleum Corporation
“Oil And Gas Pipe Key Equipment Localizing Manufacturing Project”

The NDIV Rising Stem Ball Valve Main Technical Parameter Meet The Overseas Made Same Kind Product

---Verify By Oil And Gas Pipe Key Equipment Localizing Manufacturing Project

Design Specification:API 6D, ANSI B16.34

Nominal Diameter:DN15~DN600 (NPS 1”~NPS 24”)

Pressure Rating:PN1.6~PN42.0MPa(Class 150~Class2500)

Actuator:Manual Operated,Electrical Actuator,Pneumatic Actuator etc

Advantage Of NDIV Rising Stem Ball Valve:
1.The NDIV Rising Stem Ball Valve has involved in National Energy Bureau And China National Petroleum Corporation “Oil And Gas Pipe Key Equipment Localizing Manufacturing Project”
2. The NDIV Rising Stem Ball Valve has registered At Global Supplier Network Of Sinopec Corp.
Product Description:

The NDIV rising stem ball valve utilize the interaction of the sloping surface on the bottom of the stem and spiral groove for the core tilting and rotation. When rising stem ball valve begins to opening,the core tilt away from the seat,the line flow passes uniformly around the core face,which reduced the seat wear and erosion from high velocity flow,the core then rotates to the fully open position.In the rising stem ball valve close position,the angled flat surface on the lower stem to mechanically wedge the core tightly against the seat,and generate a needed sealing pressure to ensure the reliable sealing.

NDIV rising stem ball valve are ideally suited for severe application when Big Differential Operation Pressure Happens, Frequently Operation,Pressure and Temperature Differential Request Valve Good Sealing In Long Term or application Not Allowed Downtime Maintenance or Replace Valve.Such As:Gas Metering Station,The Outlet And Inlet Of Compressor Station,Suction Of Storage Tank,Emergency Shutdown Application or Hydrogen Service.

Performance Features:
1.Single Seat Design+Mandatory Seal,Ensure Valve With Bi-directional Sealing Function
2.Tilting Core,Mechanical Lifting Stem:No Abrasion When Valve Opening Nor Closing,Low Torque Operation
3.Mechanical Wedge:The angled flat surface on the lower stem provides mechanical wedge tight force to ensure the continuously tight seal.
4.Dual Stem Guides:Hardened stem slots and tough guide pins control the lift-and-turn action of the stem.So that to control of the ball and meet no abrasion when open or closing function.
5.Self-cleaning Function:When tilting the core away from the seat,the flow around 360 degree of the core face to clean the foreign material away from the ball and seat.
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ABOUT DIPPER
  • Dipper Overview
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  • Liquid Surge Relief Valve
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  • Automatic Recirculation Valve
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Tel:+86-813-8104890
Fax:+86-813-8104921

intlsales@dippervalve.com

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