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Neles™ D Series Trunnion-mounted

About Neles™ D Series Trunnion-mounted

Reliable, trouble free operation in demanding, high capacity on/off and control applications.

Technical Specifications

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Description

Neles™ series D trunnion-mounted ball valves incorporate several decades of experience in metal-to-metal seat technology. The D Series flanged, full-bore ball valve has a symmetrically split body construction and a strong stem that is integrally cast with the ball, providing high integrity, and backlash-free drive. The D series delivers high availability and capacity in demanding safety and control applications.


Specifications
Construction
Flanged, trunnion mounted, full & reduced bore ball valve
Size range
D1F: DN50 – 700 (2″ -28″) D2: DN700 – 900 (28“-36″)
Face to face
ASME B 16.10
Pressure ratings
EN PN 10-100, ASME 150-600
Temperature range
-200 °C ¦ +600 °C / -330 °F ¦ +1110 °F
Features
  • • Robust, heavy duty trunnion bearings
    • Unique Stemball® construction, no backlash on stem to ball connection, anti-blowout stem
    • 2-piece split body
    • Application-based seat selection options, metal-to-metal and soft seats
    • Neles Q-trim technology for control applications, anti-cavitation and noise attenuation
    • Latest Neles Q2-trim option available for gas applications
    • Low emissions according to ISO 15848, from cryogenic to high temperatures
    • Fire safe certified according to API 607 | SIL3 certified
    • High Cv, including noise attenuations trims, which are designed self-flushing
    • Easy to maintain construction
  • Industries:

    ESD / ESV service (SIL 3)
    HIPPS
    De-pressurizing and blow down service
    Low noise and anti-cavitation
    Fertilizers
    Cryogenic service
    High temperature service
    High cycle and switching service
    Molecular sieves
    Solids handling
    Chemical and petrochemical plants
    Oil and gas production
    Steam
    Natural gas, LNG, LPG
    Power plant
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