6GM Over Range Protection Valve

Over Range Protection Valve for Pressure Gauges

The Budenberg model 6GM over range protection valve has been primarily designed to protect pressure gauges (or other instruments) against over pressure conditions, either designed or accidental due to failure of other systems.

The operation of the unit is based upon a piston assembly that can open or close dependant upon the applied pressure at the inlet. The unit should be fitted directly to the instrument to be protected. An internal spring holds the valve open under normal conditions. When the inlet pressure exceeds the setting pressure of the valve then the spring is compressed and closes the valve.

Settings are achieved by selection of the appropriate spring to operate in the correct range and adjustment of the spring adjuster until the desired operational setting is achieved.

Units can be used on any clean, non viscous fluids or gases that are compatible with the chosen materials of construction.

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6GM Specifications

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The Budenberg 61B Ball Valves are suitable for the following applications / industries

Oil & Gas Pressure Gauge

Petrochemical Pressure Gauge

Power Generation Pressure Gauge

Water & Waste Water Pressure Gauge

Chemical Pressure Gauge

 

The Budenberg 6GM Specifications

Setting Pressure Ranges	Units can be set at a range of pressures from 2 to 275 bar (30 to 4000 psi). Setting can be user adjusted within the range the spring. NB Factory settings are done on static pressure and as such the unit may require some slight user adjustment to ensure correct operation when under the dynamic application conditions.
Maximum Working Pressure	700 bar or 10,000 psi maximum pressure
Connection Size	Standard range is ½” NPT Male inlet x 1/2" NPT Female outlet Other connections, including BSP, are available but may be subject to a minimum order quantity
Material of Construction (Standard)	Body - 316 Stainless Steel to NACE Spring Housing - 316 Stainless Steel to NACE Piston - 316 Stainless Steel to NACE Spring Adjuster - 316 Stainless Steel to NACE Body Seal - 316 Stainless Steel to NACE O rings - Nitrile - Ethylene Propylene for Skydrol - Viton for NACE Spring - BS 5216 HS3 Spring Steel, Nickel plated Other materials can be supplied but may be subject to a minimum batch quantity
Spring Selection	Spring A - setting range of 30 to 150 psi (2 - 10 bar) Spring B - setting range of 151 to 600 psi (10 - 40 bar) Spring C - setting range of 601 to 1600 psi (40 - 110 bar) Spring D - setting range of 1600 to 4000 psi (110 - 275 bar)
Temperature	Up to 150 Degrees Celsius
Testing	Set and tested to the required pressure
Traceability	Body marked with the setting pressure and model number When NACE or material certification to EN 10204 3.1b is requestedthen the body is marked with the cast number and the spring housing is marked with the cast numbers of the housing and piston
Options	Customer names etched on the body, special designs undertaken

 

Over Range Protection Valve Specification Sheet Download

To view all the information on the Budenberg model 6GM you can download the data sheet here 

Download DATA SHEET