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Self-Operated Micro-Pressure Regulating Valve

Keywords: metering pump accessories

Classification:

Self-operated regulating valve

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  • DESCRIPTION

    Technical parameters of self-operated micro (differential) pressure regulating valve

     

    Nominal diameter DN

    20

    25

    32

    40

    50

    65

    80

    100

    125

    150

    200

    Rated flow coefficient Kv

    7

    11

    20

    30

    48

    75

    120

    190

    300

    480

    760

    Allowable pressure difference
    (Mpa)

    PN16

    1.6

    1.5

    1.2

    PN40

    2.0

    Bonnet form

    Standard type (integral type)

    Gland type

    Bolt pressing type

    sealing packing

    V-type PTFE filler, impregnated PTFE asbestos filler, asbestos textile filler, graphite filler

    Pressure segment range
    (KPa)

    0.5~6   5~10  9~15  12~19  18~25  22~30
    28~35  32~40  38~50  48~60  58~72  70~100

    Minimum pressure difference P to ensure normal operation of the pressure regulating valve

    ≥0.01(MPa)

    Operating temperature

    ≤80℃

    Suitable for medium

    Gas, steam, low viscosity liquid

    Spool form

    Single seat, sleeve type valve core

    Traffic characteristics

    linearity

     

    Product parameters

    Performance indicators of self-operated micro (differential) pressure regulating valve

    Adjustment accuracy

    ≤10%

    Allowable leakage
    (under specified experimental conditions)

    Hard seal

    4×0.01% valve rated capacity

    Soft seal

    DN(mm)

    20

    25

    32

    40

    50

    65

    80

    100

    125

    150

    200

    0.15

    0.3

    0.45

    0..6

    0.9

    1.7

    4.0

    6.75

     

    Self-operated micro (differential) pressure regulating valve parts materials

    Part Name

    Part material

    valve body

    WCB (C)

    CF8 (P)

    CF8M (R)

    CF3M(RL)

    valve seat

    304

    304

    316

    316L

    Cushion core

    304

    304

    316

    316L

    cap

    Q235

    304

    316

    316L

    Stem

    304

    304

    316

    316L

    lower membrane cover

    Q235

    Diaphragm

    EPDM or FKM fiber sandwich

    Upper film cover

    Q235

    Gland

    Q235

    Threaded cap

    Q235

     

    Self-operated micro (differential) pressure regulating valve link size

    Nominal diameter (DN)

    20

    25

    32

    40

    50

    65

    80

    100

    L

    150

    160

    180

    200

    230

    290

    310

    350

    H

    52.5

    57.5

    75

    75

    85.5

    92.5

    100

    110

    H1

    323

    350

    370

    370

    370

    397

    397

    400

    A

    308

    394

    308

    394

    308

    394

    394

    394

    Pressure pipe interface thread

    M16×1.5

    WeightG(Kg)

    12

    18

    25

    32

    45

    58

    68

    76


    Self-operated micro (differential) pressure regulating valve product selection

    Valve body parameters: nominal diameter, working pressure, process medium, usage occasion, valve body material and other series of parameters. 
    Please provide the above technical parameters in detail as much as possible to facilitate our company's production and technical personnel to accurately select the model for you. If you have any questions, you can call us and we will do our best to provide you with quality service!