Self-operated differential pressure control valve

Short Description:

Self operated pressure control valve, is a kind of self controlled by pressure medium itself and keep the system through the medium pressure valve. Suitable for the heating system with double differential pressure control, to ensure that the system will remain basically unchanged, reduce noise, balanced resistance, eliminating heat and hydraulic disorder.


  • Warranty Time: 1 year
  • Customized support: OEM, ODM
  • Certificate: API, ISO, CE, RoHS
  • MOQ: 1 Set
  • Place of Origin: China
  • Brand Name: LIKV
  • Product Detail

    Product Tags

    self operated water pressure control valve

    Technical data 

    PN(MPa)Nominal pressure 1.6
    (MPa)Strength test  2.4
    (MPa)Seal test 1.76
    ℃ Working temperature 0~100℃
    Suitable mediums water
    Differential pressure control range 10~30KPa

    Material of main parts

    Part name Material
    Body,bonnet Cast iron, cast steel
    Stem Stainless steel
    Diaphragm NBR
    Valve disc Cast steel

    Main dimensions and weight

    DN(mm) L H (m³/h)Flow (kg)Weight
    Constant pressuredifferential type Adjustable differentialpressure type
    15 110 95 145 0.2-1 0.6
    20 110 110 150 0.3-1.5 0.6
    25 115 130 165 0.5-2 0.7
    32 130 140 190 1-4 4
    40 200 190 340 1.5-6 11
    50 215 205 355 2-8 12
    65 230 240 390 3-12 15
    80 275 300 500 5-20 27
    100 290 350 550 10-30 30
    125 310 380 580 15-45 40
    150 350 410 410 30-75 63
    200 430 480 480 40-180 104
    250 520 - - 100-300 189
    300 630 - - 150-1500 218
    350 670 - - 200-700 265

    Qualification certificate

    API
    OHSAS18001 英文
    ISO14001 英文
    ISO9001 英文

    Exhibition

    Our valves received a lot of attention at the Dubai show.

    IMG_20191021_100209
    IMG_20191021_140404
    IMG_20191021_123204

    Factory

    20180802115429
    DSC_0935
    DSC_0934

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