Vannes de régulation

  • Résumé : régulation de la pression d'écoulement aval à la pression de consigne. Conception de garnitures de piston équilibrées.
    Taille : 16″
    Capacité nominale : 600 lb
    Matériaux : Corps et couvercle ASTM A216 WCC
    Garnitures ASTM A182 F316
    siège en RPTFE
    Opérateur : Pilote Autocontrôlé
  • SPÉCIFICATIONS DE L'ÉCHANTILLON
    TAILLE : 24″
    VALEUR : 600 LB
    CARROSSERIE ET ​​CAPOT : ASTM A216 WCC
    BOUCHON : ASTM A182 F316 + STELLITE 6
    TIGE : ASTM A182 F6A
    CAGE : ASTM A276 416
    SIÈGE : ASTM A105+STELLITE 6
    ACTIONNEMENT : ACTIONNEUR ÉLECTROHYDRAULIQUE
  • LA PHOTO MONTRE LES SPÉCIFICATIONS CI-DESSOUS
    TAILLE : 42 po br> VALEUR NOMINALE : 600 LB br> CORPS ET CAPOT : ASTM A216 WCB br> DISQUE : ASTM A216 WCB + STELLITE 6, CALE FLEXIBLE, ORIFICE COMPLET br> TIGE : ASTM A182 F6A br> SIÈGE : ASTM A105 + STELLITE 6 br> ACTIONNEMENT : LIMITORQUE SMC-5 480 V CA, 3 PH, 60 HZ, AVEC COMMANDE MANUELLE.br>
  • Taille : 8″ x 6″
    Capacité nominale : 600 lb
    Matériaux : Corps et capot ASTM A216 WCB
    Garnitures ASTM A182 F316L
    siège en RPTFE
    Opérateur : Pneumatique à simple effet avec rappel par ressort
  • LA PHOTO MONTRE LES SPÉCIFICATIONS CI-DESSOUS
    TAILLE : 20″*16″
    COTE : 300 LB 600 LB
    CARROSSERIE ET ​​CAPOT : ASTM A216 WCB
    DISQUE : ASTM A216 WCB+STELLITE 6, CALE FLEXIBLE
    TIGE : ASTM A182 F6A
    SIÈGE : ASTM A105+STELLITE 6
    ACTIONNEMENT : LIMITORQUE TYPE MODULANT INTELLIGENT, signal 4-20 mA, 480 V CA, 3 PH, 60 Hz, AVEC COMMANDE MANUELLE.
  • SPÉCIFICATIONS DE L'ÉCHANTILLON
    TAILLE : 8″
    VALEUR : 300 LB
    CARROSSERIE ET ​​CAPOT : ASTM A350 LF2
    BILLE À ENCOCHE EN V : ASTM A182 F316+TCC ENCOCHE 90℃.
    TIGE : ASTM A564 17-4PH
    SIÈGE : ASTM A182 F316+TCC
    RESSORT : INCONEL X-750
    ACTIONNEMENT : ACTIONNEUR ÉLECTROHYDRAULIQUE
  • SPÉCIFICATIONS DE L'ÉCHANTILLON
    TAILLE : 2″
    VALEUR : 600 LB
    CARROSSERIE ET ​​CAPOT : ASTM A216 WCC
    BOUCHON : ASTM A182 F316 + STELLITE 6
    TIGE : ASTM A182 F6A
    CAGE : ASTM A276 416
    SIÈGE : ASTM A105+STELLITE 6
    ACTIONNEMENT : ACTIONNEMENT PNEUMATIQUE À DIAPHRAGME
  • LES PHOTOS MONTRENT LES SPÉCIFICATIONS CI-DESSOUS
    TAILLE : 3″
    COTE : 10 000 PSIG
    CARROSSERIE ET ​​CAPOT : TC YG6
    FICHE : TC YG20
    TIGE : INCONEL 625
    CAGE : INCONEL 625
    SIÈGE : YG 6
    ACTIONNEMENT : ACTIONNEUR ÉLECTRIQUE
  • Bref:
    Taille : 3″
    Capacité nominale : 2500 lb
    Matériels:
    Corps et capot ASTM A182 F11
    Disque ASTM A182 F11+stellite 6
    Tige ASTM A182 F6A
    Siège de carrosserie superposé Stellite 6
    Opérateur : volant
    Extrémités : BW selon ANSI B16.25
  • Valve Type Electric Modulating Control Valve, Balanced Cage-Guided, Globe Pattern
    Size Range DN25 – DN300 (1″ to 12″)
    Pressure Rating PN16 / PN25 / PN40 / PN64 / PN100 / Class 150 / 300 / 600
    End Connection Flanged (RF / RTJ) per ASME B16.5 or EN 1092-1
    Design Standard IEC 60534-2-1 / ASME B16.34 / DIN EN 1349
    Face to Face Standard IEC 60534-3-1 / ASME B16.10
    Test Standard IEC 60534-4 / ANSI/FCI 70-2
    Service Steam, Water, Oil, Gas, Chemical Fluids
    Temperature Range -196°C to +450°C (Depending on trim and gasket selection)
    Flow Characteristic Equal Percentage (EQ%)
    Action Type Air-to-Close / Air-to-Open (Fail-Safe Position: Specify)
  • Product Name Diaphragm Pneumatic Actuated Control Valve
    Valve Type / Model DN200-PN16-RF (Diaphragm type)
    Nominal Diameter (DN) 200 mm
    Nominal Pressure (PN) PN16 (1.6 MPa / 232 psi)
    Connection Type Flanged
    Flange Face Type RF (Raised Face)
    Applicable Flange Standard GB/T 9119 / HG/T 20592 / ASME B16.5 (or as specified)
  • Product Name Diaphragm Pneumatic Actuated Control Valve
    Valve Type / Model DN100-PN16-RF (Diaphragm type, lined)
    Nominal Diameter (DN) 100 mm
    Nominal Pressure (PN) PN16 (1.6 MPa / 232 psi)
    Connection Type Flanged
    Flange Face Type RF (Raised Face)
    Applicable Flange Standard GB/T 9119 / HG/T 20592 / ASME B16.5 (or as specified)
    Lining Material FEP / PFA / PTFE (fluoroplastic lining) – selected based on media & temperature

A control valve is a critical component in fluid handling systems, used to regulate the flow rate, pressure, temperature, or level of a fluid by varying the size of the flow passage. It operates by receiving signals from a controller, which determines how much the valve should open or close based on input from process sensors. The valve includes an actuator (pneumatic, electric, or hydraulic) that moves the valve stem or plug in response to control signals. This modulation of valve position allows for precise adjustments of fluid parameters within a system. Control valves are essential in automated process control, helping maintain desired operating conditions in industries such as oil and gas, power generation, water treatment, and chemical manufacturing. Depending on the design, they may operate linearly or rotationally and can be equipped with positioners to ensure accurate alignment with control signals. Their flexibility and precision make them indispensable for safe, efficient, and responsive control of complex processes.

What Are The Types Of Control Valves And Their Applications?

Control valves come in several types, each suited for specific functions and applications. The most common types include globe valves, butterfly valves, ball valves, and diaphragm valves. Globe control valves are highly accurate and ideal for precise throttling in applications such as chemical dosing or steam regulation. Butterfly control valves, which offer low-pressure drop and quick operation, are used in HVAC systems and water treatment. Ball valves can be used for both on/off and modulating control, often found in pipeline transport systems due to their durability and tight shut-off capability. Diaphragm valves are suited for corrosive or slurry services where cleanliness and leak prevention are crucial. Depending on system needs, control valves can be linear- or rotary-motion types, and are typically fitted with actuators and smart positioners for enhanced automation. These valves are vital across industries for managing everything from fluid flow in petrochemical refineries to temperature in food processing plants. Choosing the right type depends on the required level of control precision, fluid characteristics, pressure conditions, and response speed.

Control Valves FAQ

  • 1.What is a control valve?

    It’s a valve that regulates flow, pressure, or temperature in a system.

  • 2.Can control valves be automated?

    Yes, most are equipped with actuators and positioners.

  • 3.What fluids can control valves handle?

    They handle gases, liquids, steam, and slurries.

  • 4.Are control valves used in power plants?

    Yes, they are widely used in power and energy industries.

  • 5.What type of actuator is common?

    Pneumatic actuators are most commonly used.

Si vous êtes intéressé par nos produits, vous pouvez choisir de laisser vos informations ici et nous vous contacterons sous peu.