SPM® choke valves, available in adjustable or positive models, restrict flow by reducing the flow area in the valve body to achieve the desired flow rate.

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Adjustable choke valves use a stem and seat combination to control flow rate. Rate of flow can be adjusted by turning a hand wheel to achieve the calibrated orifice size and associated flow coefficient. An easy-to-read indicator, aligned with the V-notch machined onto the bonnet top, shows orifice size, and allows calibration in 1/64 inch increments.

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Positive choke valves provide a fixed flow rate by using a choke bean. Flow rate is controlled by selecting a choke bean orifice size. These choke valves are manufactured in 2-inch and 3-inch sizes for operating pressures up to 15,000 psi.

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User Concerns Regarding Choke Valves

1. What are Choke Valves and Their Types?

Choke valves are crucial components used in the oil and gas industry to control the flow rate of fluids. They can be categorized primarily into adjustable or positive models. Adjustable choke valves use a stem and seat combination to control the flow rate, whereas positive choke valves use a choke bean to provide a fixed flow rate.

2. How Do Adjustable Choke Valves Work?

Adjustable choke valves feature a stem and seat configuration to control the flow rate. The rate can be adjusted by turning a hand wheel to achieve the desired orifice size, visible through an easy-to-read indicator aligned with a V-notch on the bonnet top.

3. What Are Positive Choke Valves and Their Specifications?

Positive choke valves provide a fixed flow rate controlled by selecting a choke bean orifice size. These valves are available in sizes of 2-inch and 3-inch, suitable for operating pressures up to 15,000 psi.

4. Applications of Choke Valves

Choke valves are extensively used in various applications including:

• Flowback
• Fracking
• Cementing
• Well Service

5. Processes Involving Choke Valves

These valves are integral to processes such as well completion, ensuring efficient operation and flow control.

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