Needle Valves Integral Bonnet Series – Male x Female – 6000 PSI – ASME B16.34 / MSS-SP-99 / ASME B31.3

Needle Valve

Also known as:

Plunger Valve

Needle Valves Integral Bonnet Series – Male x Female – 6000 PSI – ASME B16.34 / MSS-SP-99 / ASME B31.3

Needle Valve

Also known as:

Plunger Valve

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6 - 8 Weeks

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Needle Valves Integral Bonnet Series – Male x Female offer leak-free flow control with low torque operation, smooth long-life stems, and a self-centering tip for consistent shut-off.

Executive Summary

The Needle Valves Integral Bonnet Series – Male x Female feature a one-piece body design where the bonnet and body are integrated, eliminating welds and enhancing strength and safety. The Male x Female connection allows easy installation into piping systems, with the male end threading into a female port. These valves are used in oil and gas applications to precisely control and isolate fluid flow, providing reliable, leak-free operation even under high pressure and demanding conditions.

Technical Specifications

Body Style Integral Bonnet Series
Connections Male x Female NPT
Body Bonnet Seal Metal to Metal
Standard ASME B16.34
Valve Ratings ASME B31.3 Process Piping Code
Type Tested MSS-SP-99
Standard Working Pressure 6000 PSI
Dust Protection Dust cap on stem
Handle Removable T-handle for low torque operation
Temperature Rating -50°C to 230°C

Features and Benefits

  • Removable T Handle aids proper actuation.
  • Low torque operation.
  • Fully supported packing reduces need for adjustment.
  • Rolled stem threads for smooth acting, strength and long life.
  • One-piece construction no welding used – For high strength and safety.

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Detailed Description

The Needle Valves Integral Bonnet Series – Male x Female is designed for reliable and precise flow control in industrial applications, particularly in oil and gas. Its integral bonnet construction means the body and bonnet are a single piece, eliminating welds and enhancing overall strength, safety, and durability. This design ensures consistent performance under high-pressure conditions and reduces the risk of leakage or mechanical failure.

The Male x Female configuration allows for straightforward installation into piping systems, with the male end threading securely into a female port. This connection type is widely used in process lines, instrumentation, and control systems where accurate flow adjustment, isolation, or sampling is required.

These valves feature a removable T-handle for easy actuation with low torque, rolled stem threads for smooth operation and long service life, and fully supported packing to minimize maintenance. A self-centering, non-rotating stem tip ensures bubble-tight shutoff, while the mirror-finished stem reduces wear on packing and facilitates smooth operation. Optional stellite-tipped stems are available for applications involving abrasive or corrosive fluids, further extending the valve’s lifespan.

This series is ideal for applications requiring precise flow control, reliable sealing, and long-term durability in harsh environments such as high-pressure oil and gas systems, chemical process lines, and instrumentation panels.

Engineering Data