valves

Gauge Root Valve

Gauge Root Valve

A gauge root valve is a type of instrumentation valve used in conjunction with pressure gauges, transmitters, or other pressure-measuring instruments. It provides a means to isolate the pressure gauge from the process fluid, allowing for safe installation, removal, calibration, or maintenance of the pressure gauge without shutting down the entire system.

We are involved in manufacturing and supplying a wide range of Straight Gauge Root Valve, which are manufactured with quality material and latest process technology. Our products are in accordance with the requisite norms and standards to maintain the consistency in the prevailing market.

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  • Features
  • Testing
  • Packaging

Features

  • 316/316L stainless steel construction for superior corrosion resistance.
  • 316 stainless steel pin prevents detachment of the bonnet from the body due to vibration.
  • Easy to assemble and replace packing.
  • Burr-free threads and internal surfaces reduce leaks, promoting accurate transmitter readings.
  • Compact design requires minimum space for operation and installation.
  • Dust caps are fitted to contain stem lubricant and prevent the ingress of contaminants.
  • Bonnet to body seals are metal to metal, No O-rings used.
  • Combines isolating and venting in a single valve, eliminating the need for tubing and fittings.
  • Maximum standard pressure up to 6,000 psig @ 100°F (414 bar @ 38° C)
  • For soft seat 6,000 psi pressure rating (@ 100°F maximum)
  • For hard seat 10,000 psi pressure rating (@ 100°F maximum)
  • Orifice Size : 0.138" (3.5mm) to 0.250" (6.4mm)

Testing

Standard Test Each valve is factory tested with nitrogen at 1000 psig (69 bar) for leakage at the seat and packing, the maximum allowable leak rate of 0.1 sccm.
Optional Hydrostatic test This test is performed with de ionised water at 1.5 time the working pressure. Other tests like vibration, temperatures, helium etc are available upon requests.

Packaging

All exposed threads of the products are Protected with plastic caps to prevent damage and each assembly is packed in sealed and clear polyethylene bag for cleanliness and carefully packed in cardboard boxes to prevent transit damage. Each and every package is labeled for proper and easy identification.

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