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Meter, Throttle, and Control – With Precision
At Perfect Engineers, we manufacture Flow Control Needle Valves designed for precise regulation of liquid and gas flow in industrial systems. With a graduated needle stem and finely machined seat, these valves are ideal for flow metering, throttling, and speed control applications.
Whether you’re adjusting flow in a pneumatic cylinder, chemical line, or hydraulic actuator, our flow control valves deliver smooth, accurate, and repeatable performance — even under varying pressure conditions.
A Flow Control Needle Valve is a manual valve designed to precisely meter the flow rate of a fluid or gas using a fine-threaded, tapered stem. Unlike on/off valves, this needle design enables incremental adjustment, making it ideal for flow-sensitive applications like chemical dosing, actuator speed control, and analyzer systems.
Best suited for applications where flow rate consistency and regulation are critical over time.
| Parameter | Specification |
|---|---|
| Flow Control Type | Linear, fine-tuned throttling |
| Pressure Rating | 1000 – 6000 PSI (custom up to 10,000 PSI) |
| Body Materials | SS 316, SS 304, Brass, Carbon Steel, Monel |
| Seat Material | PTFE, PEEK, Graphite, Metal-to-Metal |
| Temperature Range | -20°C to +450°C |
| Sizes Available | ⅛”, ¼”, ⅜”, ½”, ¾”, 1″ |
| End Connections | BSP, NPT, Compression, Flanged, SW, BW |
| Testing | Hydrostatic & Pneumatic (API / EN Standards) |
| Certification | ISO 9001:2015, EN 10204 3.1, CE, IBR |
| Material | Ideal For |
|---|---|
| Brass | Low-pressure air, water, and non-corrosive gases |
| SS 316 | Chemical dosing, high-purity gas or corrosive liquids |
| Carbon Steel | Hydraulic circuits in industrial environments |
| Monel / Hastelloy | Acidic or chloride-laden fluids |
| End Connection | Use Case |
|---|---|
| BSP/NPT | Standard pipe integration |
| Compression | Instrument tubing and analyzer panels |
| Flanged | Inline installations in chemical/petrochemical |
| SW/BW | Permanent process piping |
+91-9004860491
www.perfectqrc.com
India Supply Cities: Mumbai, Pune, Ahmedabad, Chennai, Cochin, Baroda, Bengaluru, Hyderabad, Delhi
Export Markets: UAE, Saudi Arabia, Qatar, Germany, South Korea, Bangladesh, Egypt, Indonesia, Oman, South Africa
Yes. With the right seat material (PTFE/PEEK), they’re excellent for air, nitrogen, CO₂, hydrogen, and more.
Yes. Based on your flow rate requirements, we offer needle valves with specific Cv (flow coefficient) values.
Absolutely. We provide panel-mountable versions with locking hardware for control boards and analyzer systems.
Most standard models are stocked. Custom flow-rated designs are shipped in 7–14 working days.
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