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Green Fisher Diaphragm Actuator , Fisher Gas Regulator V250 Control Valve

Categories Fisher Gas Regulator
Brand Name: Fisher
Model Number: V250
Place of Origin: Made In China
MOQ: Negotiation
Price: Negotiation
Payment Terms: T/T, Western Union, MoneyGram
Supply Ability: 20sets Every Month
Delivery Time: 8weeks
Packaging Details: Wooden box
Name: Fisher V250 Control Valve
Model: V250
Valve Size: NPS 4, NPS 6, NPS 8, NPS 10, NPS 12, NPS 16, NPS 20, NPS 24
Flow Characteristics: Linear
Process Connection Type: Flanged
Material: Carbon Steel, Stainless, Duplex
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    Green Fisher Diaphragm Actuator , Fisher Gas Regulator V250 Control Valve


    Fisher V250 Control Valve

    The V250 Hi‐Ball rotary control valve is designed for heavy‐duty throttling and on‐off applications. Depending on size, this valve installs between two CL600 or CL900 pipeline flanges. The V250 valve is available with a single ball seal, flow ring, or dual‐seal construction. Single‐seal constructions are used in tight shutoff applications; the flow ring construction can satisfy higher temperature requirements. The dual‐seal construction, with a seal in the inlet and outlet openings, is used in bidirectional flow‐shutoff applications. The V250 Hi‐Ball valve is typically used for throttling and controlled flow applications in gas transmission lines, gas distribution, or liquid pipelines.


    Features


    Flow CharacteristicsLinear
    Process Connection TypeFlanged
    Pressure ClassASME
    MaterialCarbon Steel, Stainless, Duplex

    1. High Pressure Drop Capabilities—Depending on the construction, a V250 valve is capable of a maximum static pressure differential of 103 bar (1500 psi) at 82°C (180°F) for CL600, and 155 bar (2250 psi) for CL900 constructions at 38°C (100°F) for LCC steel and CF8M (316 stainless steel).
    2. Efficient Operation—Tapered‐polygon ball‐to‐shaft connection (see figure 4) and clamped splined actuator connection (see figure 5) remove lost motion or deadband from the drive train for throttling control applications.
    3. Excellent Flow Control—Reduced ball port design provides a modified equal percentage flow characteristic and an excellent response characteristic.
    4. Tight Shutoff—Shutoff with the V250 ball seal is 0.0001 percent of maximum capacity.
    5. Greater Capacities—V250 ball valve construction offers greater capacities than conventional globe valves for both compressible and incompressible fluids.
    6. Sour Service Capability—Materials are available for applications handling sour service. These materials comply with the requirements of NACE MR0175‐2002.
    7. Long Service Life—Pressure‐balanced drive shaft design with PTFE‐lined bearings and pressure‐assisted shaft sealing arrangement provides for a long life of reliable service.
    8. Minimum Maintenance—Two‐piece ball and shaft assembly allows for complete trim overhaul; parts replacement is kept to a minimum.
    9. Excellent Environmental Capabilities—The optional live loaded packing system is designed with very smooth shaft surfaces and live loading to provide excellent sealing.

    Available Configuration

    Flangeless ball valve assembly with single ball seal, flow ring, or dual ball seal

    Valve Body Sizes and End Connection Styles

    NPS 4 through 12 flangeless valves retained by line flange bolts and designed to fit between CL600 or CL900 raised‐face or ring‐type joint flanges (ASME B16.5) NPS 16 through 24 flangeless valves retained by line flange bolts and designed to fit between CL600 raised‐face or ring‐type joint flanges (ASME B16.5)

    Maximum Inlet Pressure

    NPS 4 through 12 consistent with CL600 or CL900 (ASME B16.34) NPS 16 through 24 consistent with CL600 (ASME B16.34)

    Maximum Allowable Shutoff Pressure Drop

    Single‐Seal and Dual‐Seal Construction: See figure 2.

    Flow Ring Construction: Limited by the pressure‐temperature rating of the valve body

    Shutoff Classification

    Single‐Seal and Dual‐Seal Constructions: 0.0001% of maximum valve capacity (less than 1% of Class IV, ANSI/FCI 70‐2 and IEC 60534‐4) Flow Ring Construction: 1% of maximum valve capacity



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