Gauge Root Valve – Male x Female – 1/4” NPT – 6000 PSI – ASME B16.34 / ISO 9001 / PED / ATEX

Gauge Root Valve

Also known as:

Gauge Isolation Valve

Gauge Root Valve – Male x Female – 1/4” NPT – 6000 PSI – ASME B16.34 / ISO 9001 / PED / ATEX

Gauge Root Valve

Also known as:

Gauge Isolation Valve

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6 - 8 Weeks

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Gauge Root Valve Male x Female 1/4 inch NPT isolates gauge lines in high-pressure systems up to 6000 PSI.

Executive Summary

This 1/4 inch NPT Gauge Root Valve with Male x Female connection is designed to isolate pressure gauges in high-pressure systems up to 6000 PSI, ensuring accurate and safe readings. It provides reliable metal-to-metal sealing for pressures and temperatures typical in oil and gas and industrial applications. The Male x Female connection allows easy inline installation and secure integration with existing gauge lines, making it ideal for protecting gauges in small-bore instrumentation systems.

Technical Specifications

Inlet 1/4” NPT
Outlet 1/4” NPT
Width 25.4
Length 90
Height 95
Bolt Hole Spacing 4
Connection Type Male x Female
Standard Working Pressure 6000 PSI
Maximum Working Pressure Up to 10000 PSI on request
Temperature Rating -50°C to 230°C (500°C with graphite)

Features and Benefits

  • Low torque and easy operation.
  • Protection of actuator threads from contamination.
  • Reliable isolation of pressure measurement instruments.
  • Self-centering, non-rotating stem tip for consistent shutoff.
  • Packing located below stem threads to isolate threads from media.

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Detailed Description

The Gauge Root Valve Male x Female 1/4” NPT is designed to provide reliable isolation and control for pressure measurement instruments in chemical, petrochemical, and oil and gas applications. It allows a secure connection between the process line and pressure gauges, ensuring accurate readings while preventing backflow and leakage. This size is commonly used where compact instrumentation connections are needed, offering precise control in tight piping configurations.

The valve is constructed and tested according to ASME B16.34 for pressure and temperature ratings and complies with ISO 9001, PED, and ATEX standards, confirming quality and suitability for use in hazardous or pressurized environments. It has a standard working pressure of 6000 PSI, with higher pressures available upon request. The metal-to-metal body and bonnet seal ensures high-pressure and temperature performance, and the self-centering, non-rotating stem tip provides consistent shutoff for leak-free operation.

Additional design features include a simple, adjustable gland retainer for stable packing, a back seat for added security, a removable T-handle for low torque operation, and a dust cap to protect the stem from contamination. All valves are 100% factory tested for seat and packing leakage using nitrogen gas at 1000 PSI, ensuring reliable performance. This valve is ideal for isolating and protecting pressure measurement instruments.

Engineering Data