Needle Valve MT-M110NV

Description

1. Overview of Needle Valve MT-M110NV

The Needle Valve MT-M110NV is a high-precision isolation valve designed for safe, reliable regulation and shut-off of process media in industrial instrumentation systems. This model is specifically engineered for use in high-pressure lines, where controlled flow isolation and venting are essential to protect measuring instruments such as pressure gauges, pressure transmitters, pressure switches, and differential pressure instruments.

Its needle-type stem with a hard-seated, conical tip allows for fine adjustment while ensuring leak-tight sealing. With a maximum working pressure of 6000 psi and a maximum operating temperature of 240°C, the MT-M110NV provides confidence and reliability in even the most demanding conditions.

Constructed with SS 316 AISI wetted parts, this valve delivers excellent corrosion resistance, making it suitable for offshore platforms, chemical process streams, refinery systems, hydraulic skids, and gas distribution networks. The Direct Form Valve configuration ensures minimal flow disruption and smooth operation, making the MT-M110NV ideal for both gas and liquid service applications.


2. Key Performance Features

The Needle Valve MT-M110NV is engineered with performance, safety, and operational stability in mind. From its stem mechanism to its body material, every detail supports durability and accuracy.

Main Functional Features:

  • High-Pressure Shut-Off Capability:
    The valve is specifically designed to isolate instruments from high-pressure process lines, preventing damage during maintenance, calibration, or inspection.

  • Back-Seating Design to Prevent Out-Blow:
    The stem features a back-seating mechanism that prevents stem blowout, even under full system pressure, ensuring user and equipment safety.

  • Instrument Isolation Efficiency:
    Ideal for isolating sensitive pressure instruments while maintaining accurate readings and reducing system downtime.

  • Suitable for Both Gas and Liquid Service:
    The valve’s internal geometry and sealing system are optimized to maintain tight shut-off with compressible gases as well as liquids under pressure.

  • Smooth Operation with Durable Stem Tip:
    The metal conical stem tip supports precise throttling and repeatable performance, even after extended cycles of operation.

These features make the MT-M110NV a reliable and efficient solution for precision isolation control in a wide range of systems.


3. Standard Parameters and Technical Specifications

The construction and operational specifications of Needle Valve MT-M110NV are designed to meet industrial standards for reliability and safety:

Parameter Specification
Stem Type Hard-Seated, Needle-Type Stem
Wetted Parts Material SS 316 AISI
Instrument Connection ½” NPT (Female)
Process Connection ½” NPT (Female)
Valve Form Direct Form Valve
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)

The PTFE packing provides reliable sealing against leakage while offering smooth rotational motion for the stem. The hard-seated conical tip maintains shut-off integrity over long operating cycles, making this valve well-suited for continuous industrial service.


4. Advantages and Operational Benefits

The MT-M110NV provides a combination of mechanical durability, safety, and control precision that ensures dependable long-term operation.

Key Benefits Include:

  • High-Level Safety in Pressure Systems:
    Back-seat stem design eliminates blow-out risk, protecting personnel and equipment.

  • Long Service Life:
    SS 316 AISI and hard-seated tip reduce erosion, corrosion, and wear.

  • Leak-Tight Sealing Performance:
    Maintains tight closure even after numerous open-close cycles.

  • Reduced Maintenance Requirements:
    The valve’s stem and seat geometry resist galling and distortion, extending service intervals.

  • Precise Flow Control and Isolation:
    Suitable for slow, controlled fluid regulation and complete shut-off operations.

  • Versatility in Use:
    Works reliably in low and high-pressure, liquid and gas environments.

Overall, the MT-M110NV enhances process stability, improves measurement accuracy, and ensures safe, efficient isolation procedures.


5. Typical Applications Across Industries

The Needle Valve MT-M110NV is widely used in process and instrumentation installations that require safe isolation and precision control:

  • Oil and Gas Production & Refinery Instrumentation Loops

  • Petrochemical and Chemical Manufacturing Plants

  • Power Generation (Steam, Gas, Combined Cycle)

  • Water Treatment and Desalination Systems

  • Industrial Gas Metering and Distribution Networks

  • Hydraulic and Pneumatic Pressure Control Units

  • Pipeline Monitoring and Calibration Panels

In these settings, the valve ensures that instruments can be serviced, replaced, or calibrated without depressurizing the entire system, reducing operational interruptions and maintaining productivity.


6. Why Choose Needle Valve MT-M110NV

The MT-M110NV stands out for its combination of mechanical strength, precise isolation capability, and operational safety. Choosing this valve means gaining:

  • Reliable high-pressure control

  • Secure isolation for instrumentation systems

  • Compatibility with corrosive and demanding environments

  • Reduced lifetime maintenance and longer service intervals

  • Stable and repeatable performance for measurement accuracy

Whether you are installing new instrumentation loops or upgrading existing systems, the Needle Valve MT-M110NV ensures safe, efficient, and precise pressure handling.