Needle Valves - Stainless Steel & Flanged Needle V

Brass needle valve technical specifications and sizes from leading needle valve suppliers

Published: 21-Apr-2026
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Brass needle valve technical specifications and sizes from leading needle valve suppliers

Product Specifications

  • Model: BV-1000
  • Size: 1/2" - 48"
  • Pressure Rating: ANSI 150-2500
  • Material: Stainless Steel, Carbon Steel, Brass

Product Description

+86 17660770639
+86 17660770639
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Key Features of Brass Needle Valves

Brass needle valves are favored for their durability, corrosion resistance, and smooth operation. They are commonly used in applications requiring high precision, such as fluid regulation in HVAC systems, medical devices, and automotive components. The following sections highlight the essential needle valve technical specifications and brass needle valve sizes to consider.

1. Material and Construction

Brass is the primary material used in these valves due to its excellent mechanical properties and resistance to chemicals. The valve body, needle, and seats are typically made from highgrade brass alloys, ensuring longevity and performance. Key needle valve technical specifications include material composition, wall thickness, and finishing standards.

2. Size Variations

Brass needle valve sizes vary based on flow requirements, pressure ratings, and connection types. Common sizes range from 1/8 inch to 2 inches, with metric options also available. Selecting the right size depends on the system’s pressure and flow capacity. Suppliers often provide detailed sizing charts to aid in selection.

Technical Specifications to Consider

When evaluating brass needle valves, several needle valve technical specifications must be reviewed to ensure compatibility and performance. These include pressure ratings, temperature ranges, and flow coefficients (Cv). Additionally, the valve’s design, such as port configuration and actuation method, plays a significant role in its functionality.

3. ressure Ratings

Brass needle valves are available in various pressure classes, typically ranging from 150 psi to 3000 psi. The brass needle valve sizes must match the system’s pressure requirements to prevent leaks or failure. Always verify the valve’s pressure rating against the application’s demands.

4. Temperature Range

These valves perform optimally within specific temperature ranges, usually from 20°F to 400°F. Exceeding these limits can lead to material degradation or malfunction. Consulting needle valve technical specifications ensures the valve operates efficiently in the intended environment.

Brass needle valve technical specifications and sizes from leading needle valve suppliers

Choosing Reliable Needle valve suppliers

Identifying trusted needle valve suppliers is critical for obtaining highquality components. Suppliers should offer certified products, competitive pricing, and excellent customer support. Look for companies with a proven track record in brass valve manufacturing and compliance with industry standards.

1. Certification and Compliance

Reputable suppliers provide valves that meet international standards such as ASME, ISO, and NSF. These certifications ensure the brass needle valve sizes and needle valve technical specifications adhere to rigorous quality and safety requirements.

2. Customization Options

Some suppliers offer customization services, allowing you to tailor the valve to your specific needs. This includes modifying brass needle valve sizes, adding special coatings, or integrating custom actuation mechanisms.

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