Masoneilan 28000 Series Low-Flow Valve
Product Overview
The Masoneilan 28000 Series Low-Flow Valve is a dependable, compact valve engineered for reliable regulation of micro-flows in sensitive industrial and laboratory settings. With a multi-stage trim design that minimizes pressure drop and cavitation, it achieves exceptional turndown ratios up to 100:1, ensuring stable control over a wide range. Built for durability with customizable materials, the 28000 Series supports gases, liquids, and steam, providing tight shut-off and low leakage. This series is essential for analytical, pilot plant, and research applications where precision and consistency are paramount.
Key Features
- Exceptional Turndown: 100:1 ratio for broad flow range control.
- Multi-Stage Trim: Reduces noise and cavitation for smooth operation.
- Compact and Lightweight: Ideal for space-limited installations.
- Tight Shut-Off: Class VI performance for minimal leakage.
- Custom Materials: Stainless steel or Hastelloy for corrosive media.
- Field-Repairable: Inline servicing without system shutdown.
- Actuator Options: Compatible with pneumatic or electric actuators.
- Global Compliance: Meets ASME B16.34 and API 598 standards.
Technical Specifications
| Parameter | Specification |
| Valve Type | Single-seated, cage-guided |
| Size Range | 1/4" to 1" (DN6 to DN25) |
| Pressure Rating | ANSI Class 150 to 600 |
| Temperature Range | -54°C to 427°C (-65°F to 800°F) |
| Flow Capacity (Cv) | 0.00006 to 1.0 |
| Leakage Class | Class VI |
| Body Materials | Carbon steel, stainless steel, Hastelloy |
| Trim Materials | Stainless steel, 416 SS |
| End Connections | Screwed, flanged |
| Certifications | ASME B16.34, API 598, PED |
Applications
The Masoneilan 28000 Series Low-Flow Valve is engineered for reliable micro-flow control in precision applications:
- Pilot Plants: Accurate flow in experimental setups.
- Research Laboratories: Precise reagent dosing.
- Analytical Instrumentation: Low-flow gas sampling.
- Pharmaceutical R&D: Sterile micro-flow regulation.
- Semiconductor Fabrication: Cleanroom-compatible flow control.
Frequently Asked Questions
What is the maximum Cv?
Up to 1.0 for versatile low-flow needs.
Is it repairable in the field?
Yes, inline servicing minimizes disruptions.
How does the multi-stage trim work?
It stages pressure drops to prevent cavitation and noise.
Can it handle steam?
Yes, up to 427°C for gaseous media.
What shut-off is achieved?
Class VI for superior leakage prevention.
Contact Us
For more information about the Masoneilan 28000 Series Low-Flow Valve, pricing, or to request a demo, contact our team:
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