Description
1. Overview of Needle Valve MT-M100NV
The Needle Valve MT-M100NV is a precision flow control valve designed for accurate regulation, isolation, and venting of process media in industrial pressure measurement and control systems. As a crucial component in instrumentation piping, this valve is used extensively with pressure gauges, pressure switches, transmitters, and other sensitive measuring instruments.
The MT-M100NV features a needle-type stem that allows fine adjustment of flow and provides a reliable seal when fully closed. This design ensures stable and repeatable control, especially in applications requiring precise throttling in gas and liquid services.
Its high-quality SS 316 AISI wetted parts make it compatible with corrosive environments commonly found in oil & gas, chemical processing, power generation, and refinery operations. With a maximum working pressure of 6000 psi and maximum working temperature of 240°C, the Needle Valve MT-M100NV is engineered to perform dependably under demanding process conditions.
2. Key Functional Features
The Needle Valve MT-M100NV is designed with functionality, safety, and durability in mind. Its construction and stem mechanism provide smooth operation while ensuring leak-free sealing over long service periods.
Main features include:
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Blocking and Isolation Capability:
The valve is used to block or isolate instruments such as pressure switches, gauges, and transmitters from the process line, ensuring safety during maintenance or calibration. -
Controlled Venting and Pressure Relief:
The stem can be partially opened to release trapped pressure, making it suitable for venting applications. -
Out-Blow Stem Design:
The valve is engineered with an out-blow proof stem, preventing the stem from being ejected under pressure. This design enhances safety and protects internal components from damage. -
Suitable for Gas and Liquid Services:
The MT-M100NV performs reliably in both gas and liquid systems, allowing versatile application across multiple industries. -
Smooth and Precise Adjustment:
The needle-shaped conical metal stem tip ensures accurate flow regulation, making it ideal for fine control of instrumentation signals.
This set of features ensures stable measurement performance, safe maintenance, and long operational life in the field.
3. Standard Parameters and Construction Details
The following specifications define the standard build and mechanical parameters of the Needle Valve MT-M100NV.
| Parameter | Specification |
|---|---|
| Stem Type | Hard-Seated Needle Stem |
| Wetted Material | SS 316 AISI |
| Instrument Connection | NPT ½” (Female) |
| Process Connection | NPT ½” (Male) |
| Stem Packing | PTFE |
| Stem Tip | Metal Conical Tip |
| Maximum Working Pressure | 6000 psi |
| Maximum Working Temperature | 240°C |
| Handle Type | T-Bar Handle (SS 316 AISI) |
| Drain Port | ¼” NPT (Female, Plugged) |
The PTFE stem packing ensures minimal friction during rotation and excellent sealing performance across temperature variations. Meanwhile, the hard-seated conical tip provides long-lasting durability and reliability in high-pressure applications.
4. Advantages and Operational Benefits
The Needle Valve MT-M100NV delivers several advantages to process engineers and instrumentation technicians:
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Enhanced Safety in Instrumentation Systems:
The ability to isolate pressure instruments prevents damage during installation, calibration, or maintenance activities. -
High Leak Tightness:
The metal needle stem and PTFE packing ensure a reliable seal even after repeated operation cycles. -
Corrosion and Temperature Resistance:
SS 316 AISI construction allows usage in harsh or corrosive environments where carbon steel would degrade. -
Improved Control Precision:
Smooth and gradual flow adjustment helps maintain stable differential pressure signals for measurement instruments. -
Long Service Life:
Precision machining and high-quality materials reduce wear and ensure consistent performance over years of operation. -
Reduced Downtime and Maintenance Costs:
Reliable sealing and robust construction mean fewer failures and less frequent servicing requirements.
5. Applications Across Industries
Due to its durability and precise flow control characteristics, the Needle Valve MT-M100NV is widely used in applications where accuracy and reliability are essential:
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Oil & Gas Production and Refining Facilities
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Petrochemical and Chemical Processing Plants
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Power Generation and Steam Distribution Systems
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Water Treatment and Desalination Plants
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Compressed Air and Industrial Gas Supply Lines
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Instrumentation and Control Panels in Industrial Automation
In these environments, the valve ensures that measurement instruments operate safely and accurately, helping to maintain optimal plant efficiency and process stability.
6. Why Choose Needle Valve MT-M100NV
Choosing the Needle Valve MT-M100NV brings confidence in system reliability and operational safety. This valve is designed for professionals who require:
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Precision flow control
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High-pressure performance
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Compatibility with critical instrumentation
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Resistance to corrosive environments
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Long-term operational durability
Whether used for instrument isolation, pressure venting, or fine flow regulation, the MT-M100NV is engineered to deliver dependable results under challenging conditions.
