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  • Self Operated Micro Pressure Reducing Regulator
  • Self Operated Micro Pressure Reducing Regulator
  • Self Operated Micro Pressure Reducing Regulator
Self Operated Micro Pressure Reducing RegulatorSelf Operated Micro Pressure Reducing RegulatorSelf Operated Micro Pressure Reducing Regulator

Self Operated Micro Pressure Reducing Regulator

  • Product Item:ZZVP
  • Port size:DN15~600, NPS 1/2〞~ 24〞
  • Pressure:PN16 ~ 100,150LB ~ 600LB
  • Temperature :-29~425℃
  • Body material:WCB LCB CF8 CF3 CF8M CF3M
  • Self Operated Micro Pressure Reducing Regulator , Self Operated Pressure Control valve , Self regulating Pressure recuding valve
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    Description

    Self Operated Micro Pressure Reducing Regulator

    Self operated micro pressure regulator is divided into single seat self operated pressure regulator and double seat self actuated micro pressure control valve.It does not need external energy,and uses the energy of the controlled medium as the power source.Self operated pressure regulator introduces the actuator to control the position of the spool to change the intercept area, thus changing the pressure difference and flow at both ends, and achieving purpose of pressure stability (downstream type) or pressure relief (upstream type).Self operated micro pressure regulator is widely used in micro pressure control of gases in various industrial equipments.

    The Features of Self Operated Micro Pressure Reducing Regulator:
    1. The pressure set point can be adjusted on site within the pressure adjustment range;
    2. The spring can be replaced according to the changes of requirements on site, so that the pressure adjustment range can be quickly changed within a certain range;
    3. Self-operated single-seat micro pressure control valve generally adopts rubber diaphragm as the pressure balance component. The change of upstream pressure does not affect the force of the valve plug, greatly speeding up the response speed of the valve, thus improving the control precision of the valve;
    4. The valve stem seal adopts a non-packing design, which greatly reduces the friction and the upper seal is absolutely reliable;
    5. The self operated double-seat micro pressure regulator adopts self-balancing double-sealed double-seat valve plug as the throttle piece, which is suitable for occasions with large valve diameter;
    6. The actuator adopts rubber diaphragm as the detecting component, which has small resistance, quick response, high adjustment precision, and very micro pressure changes will be sensed through the diaphragm amplification;
    7. When the upstream pressure is >0.1 MPa, or the medium is corrosive to rubber, or it is high temperature medium, the pressure balance element and the actuator detection element can use metal bellows.

    Technical Parameters of Self Operated Micro Pressure Reducing Regulator:

    • Valve plut type: single seat, double seat;
    • Function type: downstream pressure control(B type),upstream pressure control(K type);
    • Nominal diameter: DN15 ~DN100 (1 /2″~4″);
    • Flow characteristics: quick opening;
    • Control accuracy: ±5-10%;
    • Application temperature: ≤160°C;
    • Nominal pressure: PN16, PN25, PN40, PN63, Class150, 300;
    • Connection method: flanged, welding, thread;
    • Body/upper bonnet material:WCB,WC9,CF8,CF8M;
    • Actuator type:diaphragm type, bellows type.

    No. Parts Name No. Parts Name No. Parts Name
    1 Valve Body 7 Lower Lock Washer 13 Stud
    2 Gasket 8 Balancing Diaphragm 14 Nut
    3 Valve Seat 9 Upper Lock Washer 15 Bonnet
    4 Valve Disc 10 Nut 16 Stem
    5 Guide Bush  11 Connection Bush 17 Actuator
    6 Gasket 12 Nut 18 Spring

     

    Materials & Performance of Self Operated Micro Pressure Reducing Regulator:

    Valve body material——carbon steel:

    Valve Body WCB
    Valve Plug Material 304/316 304/316 304/316 304/316
    Treatment RTFE Rubber ST SS
    Valve Seat Material 304/316 304/316 304/316 304/316
    Treatment RTFE — ST SS
    Allowed Leakage Class V/VI V/VI   IV/V IV/V
    Standard GB/T4213, ANSI
    Application Temperature(℃) -20+160 -20+100 -20+160 -20+160

    Valve body material——stainless steel:

    Valve Body CF3、CF8、CF3M、CF8M
    Valve Plug Material 304/316 304/316 304/316 304/316
    Treatment RTFE Rubber ST SS
    Valve Seat Material 304/316 304/316 304/316 304/316
    Treatment RTFE -一 ST SS
    Allowed Leakage Class IV/V/VI  IV/V/VI  IV/V  IV/V 
    Standard GB/T4213, ANSI
    Application Temperature(℃) -45~+160 -20~+100 -196~+538 -196~+538

     

    The Dimensions of Self Operated Micro Pressure Reducing Regulator:

    DN(mm) 20 25 32 40 50 65 80 100
    L 160 200 230 290 310 350
    B(PN1.6) 373 413 483 533 603 753 863 1013
    B1(downstream type) ≥6DN
    B1(upstream type) ≥2DN
    H1 (mm) 130 135 165 175 195 210
    H2 (mm) 55 60 70 75 85 95 100 110
    H3 (mm) 90 90 105 105 115 140 150 170
    H4 (mm) 480 480 490 490 500 560 570 580
    H5、H6 (mm) 460 460 465 465 470 505 515 525
    Weight (kg) 12 13 15 17 29 34 38 45
    Actuator size (selected by pressure setting value)
    Area (cm2 )  Ae 200 280 400
    Diameter(mm)  A 232 282 308
    Pressure pipe joint thread M16x1.5

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