GFI Needle Valves
GFI Needle Valves are precision-engineered flow control valves designed for accurate regulation, throttling, and isolation of liquids and gases in demanding industrial and instrumentation applications. Their finely machined stem and needle-shaped plunger provide precise control over flow, allowing operators to make accurate adjustments even at low flow rates.
Manufactured with robust materials and precision seating arrangements, GFI Needle Valves provide reliable shut-off, excellent control characteristics, and long service life. They are suitable for pressure gauges, instrumentation systems, process control lines, hydraulic systems, chemical processing, and other applications requiring dependable precision flow control.
Key Features
Precision Flow Regulation
Fine-threaded stem and needle-shaped plunger allow accurate control and adjustment of flow rates.
Reliable Shut-Off
Precision-machined seating surfaces provide dependable isolation and minimize leakage during operation.
High Pressure Capability
Robust construction makes the valve suitable for demanding high-pressure instrumentation and process applications.
Excellent Throttling Control
Designed for controlled flow adjustment where precise throttling and regulation are required.
Compact & Robust Design
Compact construction allows convenient installation in instrumentation panels and restricted spaces.
Long Service Life
Precision components and durable materials ensure reliable performance with reduced maintenance requirements.
Available Types
Straight Pattern Needle Valve
Compact inline configuration designed for general flow regulation and instrumentation applications.
Angle Pattern Needle Valve
90-degree flow path design suitable for applications where space optimization and directional change are required.
High Pressure Needle Valve
Heavy-duty construction designed for high-pressure process, hydraulic, and instrumentation services.
Instrumentation Needle Valve
Precision valve configuration developed for pressure measurement, control, and analytical instrumentation systems.
Technical Specifications
| General Specifications | |
|---|---|
| Design Standard | ASME B16.34 |
| Size Range | 6mm to 100mm (¼" to 4") |
| Pressure Rating | Up to Class 2500 |
| End Connections | Threaded, Socket Weld, Butt Weld, Flanged |
| Body Material | Stainless Steel, Carbon Steel, Alloy Steel |
| Trim Material | SS304, SS316, Alloy Steel |
| Seat Material | Metal Seat / Soft Seat – Application Dependent |
| Operating Temperature | -29°C to 425°C, depending on material and service |
| Operation | Manual Handwheel / Optional Actuation |
| Testing Standard | API 598 / ISO 5208 |
Applicable Industries
Manufacturing Standards
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