Technical Specifications：
| Size Range | NPS 1” - 8” |
| Pressure Rating | PN16/25/40/63/100; CLASS150(PN20)/300(PN50)/600(PN110) |
| Temperature Rating | -196℃~ 593℃ |
| Rangeability | 50:1 |
| Seat Leakage Class | ANSI B16.104: IV、V、VI |
| Main Material | Carbon Steel, Stainless Steel, Duplex steel etc. |
| Trim Material | 630/316/316+STL/316(nitriding)/316+Ni60/316+WC etc. |
| Seal Material | PTFE+ graphite v-shaped packing, flexible graphite ring packing, graphite +PTFE braided packing etc. |
Feature of Globe Control Valves
Globe Control Valves utilize linear motion to position the shutoff member relative to the seat surface. Featuring a spherical cavity around the port, these valves regulate process flow when paired with an actuator. Single-seat variants often employ cage, three-way, or fixed constructions to secure the seat ring, guide the spool, and define flow characteristics. The modular design allows easy internal replacement for flow adjustment, capacity reduction, noise attenuation, or cavitation mitigation.
Benefit of Globe Control Valves
Advanced Anti-Erosion Cage Internals: Employs a multi-porous cylinder core structure that isolates throttling functions from critical sealing surfaces, preventing direct erosion by high-velocity media.
Excellent Flash and Cavitation Protection: Engineered with precise flow geometries to effectively eliminate flash damage, mitigate cavitation risks, and lower noise levels during high-pressure gas control.
High Flow Capacity and Dynamic Stability: Utilizes a pressure imbalance structure with a bidirectional bushing-and-seat design to deliver superior process control stability.
Tight Bubble-Tight Shutoff Standards: Engineered to satisfy demanding industrial leak ratings, reliably meeting ANSI B16.104 Class IV, V, and Class VI seat leakage criteria.
Sustained Severe Thermal Rangeability: Delivers precise linear motion regulation across an expansive operating thermal envelope ranging from cryogenic -196℃ to high-temperature +593℃.
Why Choose Lixin Valve?
Precision Advanced Trim Hardfacing: We extend the operational life of valve trims by applying robust hardfacing materials, including 316+STL, 316 nitriding, Ni60, and WC overlays.
High-Performance Specialized Sealing Selections: Our valves utilize durable, high-grade sealing configurations such as PTFE+graphite V-shaped packing and flexible graphite braided rings to prevent fugitive emissions.
Comprehensive Global Engineering Solutions: Every assembly is built to satisfy universal pressure specifications, smoothly matching international PN16–PN100 and Class 150–Class 600 system requirements.
FAQs
1. What makes a globe control valve the preferred choice for precise fluid throttling?
A linear-motion globe control valve regulates flow through an actuator that matches a plug against a spherical cavity seat. This configuration ensures predictable control profiles compared to rotary valves. For a comparison of valve geometries, read globe valve vs ball valve.
2. How does a control valve globe type layout manage high-velocity media erosion?
Our control valve globe type design utilizes a multi-porous cylinder cage that separates the throttling zone from the fine sealing surfaces, protecting critical components from direct velocity erosion.
3. What are the primary operational benefits of installing a single seated globe valve?
A single seated globe valve features a single plug-and-seat contact area that provides tight sealing capabilities, making it ideal for clean processes that require low seat leakage.
4. When should engineers specify a single seated globe control valve over a double-seat design?
A single seated globe control valve is ideal for applications requiring strict shutoff compliance (up to ANSI Class VI). It offers great stability in gas control systems with high differential pressures.
5. What production capabilities should an industrial buyer look for in a globe control valve manufacturer?
A certified globe control valve manufacturer must offer advanced trim hardfacing options, specialized casting foundries, and the engineering capability to supply modular cages for cavitation and noise control.
6. What pressure ratings can this globe control valve support in high-pressure steam headers?
This heavy-duty globe control valve supports multiple pressure levels, including PN16, PN25, PN40, PN63, and PN100, as well as Class 150, 300, and 600 ratings. To learn about selecting specifications for steam systems, see the ultimate selection guide to high pressure steam control valve specifications.
7. How should a technician determine the correct fail-safe orientation for a control valve globe type assembly?
The fail-safe position depends on process safety needs (e.g., fail-open or fail-closed). To review safety setups and actuator configurations, consult our technical guide control valve should always be in what position.
8. What is the standard rangeability ratio provided by this single seated globe control valve?
This high-performance valve features a wide 50:1 rangeability ratio, ensuring precise and stable fluid regulation even during low-flow processing conditions.
9. What main body materials can a B2B procurement manager order from LIXIN?
Our casting foundry pours multiple high-grade alloys, allowing you to order valve bodies in Carbon Steel, Stainless Steel, and Duplex steel based on your fluid composition.
10. Is this control valve globe type suitable for slurry or fluid streams with high solid content?
This control valve globe type is optimized for fast, clean media. For fluids containing heavy solid particulate or thick slurries, we recommend consulting our engineers to discuss specialized hard-faced trims.
Request a Quote
