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Brass Needle Valves Flow Control

-- Steady & Reliable Manufacturer --

Brass Needle Valves Flow Control are precision-engineered components designed to provide highly accurate regulation of liquid and gas flow within piping and instrumentation systems. Manufactured from high-quality brass, these valves offer exceptional durability, corrosion resistance, and structural strength, making them suitable for both general-purpose and demanding industrial environments. Their finely threaded stem and tapered needle design allow operators to achieve extremely precise flow adjustments, ensuring stable and reliable control in applications that require accuracy rather than simple on/off switching.

These valves are widely used in systems where controlled flow rate, pressure regulation, and smooth throttling are essential. Unlike standard valves that open and close abruptly, Brass Needle Valves enable gradual and precise flow modulation, preventing pressure shock, minimizing turbulence, and protecting downstream components. Their robust sealing capability and finely machined internal components help maintain leak-free performance, even under continuous operation or fluctuating operating conditions.

The compact but durable structure of Brass Needle Valves makes them suitable for installation in confined spaces and intricate piping layouts. They integrate seamlessly with various piping systems and instrumentation setups, including laboratory equipment, industrial machinery, fuel distribution systems, pneumatic lines, and hydraulic control applications. The ergonomic handwheel or knob design ensures comfortable, accurate operation, allowing users to finely tune the system flow according to specific process requirements.

Brass Needle Valves also excel in applications requiring repeated adjustments. Their precise thread engineering ensures smooth and reliable operation over long service cycles without excessive wear or loss of accuracy. Brass as a material provides inherent resistance to moisture, mild chemicals, and corrosion, ensuring that the valve maintains performance integrity even in challenging working conditions. This enhances system safety, reliability, and operational efficiency.

Brass Needle Valves Flow Control provide a dependable, accurate, and long-lasting flow regulation solution for a wide range of industries and applications. Their superior material quality, precision machining, ease of handling, and excellent sealing characteristics make them an essential component wherever controlled and stable fluid flow is required.

Specification

Parameter Detail
Valve Type Globe Pattern / Angle Pattern Needle Valve
Material ASTM B16 C36000 Brass / Forged Brass
Pressure Rating Up to 3,000 PSI (206 bar)
Temperature Range −65∘F to +450∘F (Seal dependent)
Orifice Size 1.5 mm to 12 mm
Connection Ends NPT, BSPP, Compression, or Flare
Stem Design Tapered Needle (Hard or Soft Seat)
Packing Material PTFE / PEEK / Graphite

Application

  • Analytical Instrumentation: Controlling carrier gas flow in chromatography and mass spectrometry.
  • Pressure Calibration: Fine-tuning pressure inputs for master gauge verification and sensor testing.
  • Hydraulic Systems: Regulating the speed of hydraulic cylinders in precision machinery.
  • Fuel Gas Regulation: Controlling burner pilot lights and gas flow in industrial furnaces and heaters.
  • Instrumentation & Measurement Systems: Provides accurate flow control for sensors, analyzers, and precision monitoring equipment.
  • Industrial Process Control: Used in manufacturing and processing plants for regulating fluid flow in critical operations.
  • Gas & Pneumatic Systems: Ensures stable and controlled gas flow in air lines, pneumatic machinery, and gas distribution setups.
  • Hydraulic & Fluid Circuits: Applied in low to medium pressure hydraulic and lubrication systems requiring precise flow adjustment.
  • Laboratory & Testing Equipment: Ideal for scientific equipment and experimental setups needing fine fluid regulation.
  • HVAC & Utility Systems: Used to balance and regulate fluid flow in heating, cooling, and building service applications.

Advantage

  • Ultra-Fine Adjustment: Tapered stem allows for microscopic changes in flow rate for maximum precision.
  • High Pressure Capability: Forged brass bodies handle pressures up to 3,000 PSI safely.
  • Bubble-Tight Shut-off: Soft-seat options ensure zero leakage in critical gas applications.
  • Non-Sparking Safety: Brass construction is inherently safe for use with combustible media.
  • Durable Stem Seal: High-performance packing prevents stem leakage over long service periods.
  • Compact Profile: Small footprint allows for high-density installation in control panels and manifolds.
  • Precision Flow Regulation: Tapered needle design allows extremely accurate and stable control of liquid and gas flow rates.
  • Durable Brass Construction: Corrosion-resistant brass ensures long service life and reliable performance in varied environments.
  • Excellent Sealing Performance: Precision machining ensures tight, leak-free operation, even under fluctuating pressures.
  • Smooth Operation: Fine-thread stem enables gradual adjustments without sudden changes or flow surges.
  • Versatile Application Range: Suitable for instrumentation, industrial, laboratory, and general flow control systems.
CONTACT WITH US

our service

Sincerely welcome foreign and domestic new/old customers to contact us for business negotiation, technical exchange and new brass fittings development.

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A FULL SERVICE

We provide high quality & qualified brass fittings at reasonable prices.

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OEM & ODM SERVICE

We have a professional R&D team can production as customer request.

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THE FACTORY

We are the professional manufacturer of brass fittings,push on fittings,stainless steel fittings...

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HIGH QUALITY

All of our products are passed quality qualifications CE, ISO9001...

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Capacity

Our annual output is 2,500,000 sets/piece can meet the needs of customers purchases.

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DELIVERY

We are only 75 kilometers away from Beilun Port and the exit is very convenient.

About LEGINES

Legines Industrial Machinery Inc.

As China Brass Needle Valves Flow Control Manufacturers and Brass Needle Valves Flow Control Suppliers. It adopts full CNC machining and owns workshop area of 3600 square meters. 45 automatic machine tools, 35 semi-automatic CNC machine tools,as well as distributors, who have become important suppliers for the production of American standard brass parts in China...
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