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Specially designed for steam and industrial fluids

We provide flexible control valve solutions

Precise control, all under control!

  • ZZYVP Series Pilot-operated Self-operated Pressure Regulating Valve (Nitrogen-sealed Valve)
  • ZZYVP Series Pilot-operated Self-operated Pressure Regulating Valve (Nitrogen-sealed Valve)

ZZYVP Series Pilot-operated Self-operated Pressure Regulating Valve (Nitrogen-sealed Valve)

· Compact structure with S-shaped flow path and low pressure drop
· Wide adjustable range and high-precision flow characteristics
· Excellent dynamic stability, low noise, and anti-cavitation design
· Large spool guide area enhances vibration resistance
· Complies with GB/T4213-2008 standard
· Suitable for high-temperature and low-temperature fluid control


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產(chǎn)品詳情

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  • 產(chǎn)品特點(diǎn)
  • 選擇閥體部件
  • 結(jié)構(gòu)型式

  • 產(chǎn)品特點(diǎn)

    Compact valve body with S-shaped flow path and guide vanes prevents turbulence

    Low pressure drop, high flow rate, wide adjustable range, high-precision flow characteristics

    Quick-change seat, integrated cage and guide bushing ensure low leakage

    Bellows in upper bonnet provide dual stem sealing to eliminate external leakage

    Multi-spring diaphragm actuator ensures compact structure, small size and high output force


  • 選擇閥體部件

    Function typeType B
    Nominal diameterDN15mm-100mm (1/2" - 4")
    Flow characteristicsQuick opening
    Regulation accuracy±5%
    Temperature limit≤160℃
    Pressure reduction ratioMax 4000:1
    Nominal pressurePN Series: 1.6,2.5,4.0,6.3MPa; Class Series: Class150,300,600
    ConnectionsFlanged, Welded, Threaded
    Flange standardPN1.6MPa: GB/T9113.1; PN4.0/6.3/10.0MPa: GB/T9113.2
    Sealing facePN1.6MPa: Raised face (RF); PN4.0/6.3/10.0MPa: Flat face (F)
    Face-to-facePer GB12221-2005
    Body/bonnet materialWCB, WC9, CF8, CF8M
    Actuator typeDiaphragm
    Diaphragm materialNBR with polyester fabric, EPDM, FKM, Oil-resistant rubber, PTFE
    Surface coatingLight coffee (Epoxy resin). No coating for stainless steel body.


  • 結(jié)構(gòu)型式

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