Bailey Pressure Reducing Valves

These valves are installed where there is a requirement to reduce the pressure from one level to another and to maintain the reduced pressure within predetermined limits, irrespective of fluctuations in the inlet pressure or change in flow demand.The valve is automatic in operation.

 

You may be processing chemicals, producing food or drink, heating factories, sterilizing hospital equipment, supplying potable water in high rise buildings or fighting fires. Whatever the process, the chances are at some stage you will need to depend on a pressure reducing valve. Bailey produce a wide range of dependable pressure reducing valves which independently and without intervention, monitor the supply pressure and automatically deliver a consistent reduced pressure for the operator, day and night.

 

When steam, air, water, liquids, gas or chemicals are to be used, boilers, pumps and compressors are quite often required to pressurise the system. The initial system pressure is usually high due to the use of small diameter cost effective piping systems, and it will be substantially higher than the pressure required by the final application. Most of these applications require reliable, constant and stable reduced pressures,
without which the process would lose or produce poor quality products. The comprehensive Bailey range of pressure reducing valves is used throughout the world on a huge array of applications; below is a guide to which valve type is best suited for a given application.

 

G4 Series - Pilot Operated Pressure Reducing Valves

 

The 2042 G4 pilot operated pressure reducing valve provides extremely accurate levels of pressure regulation for steam, air and industrial gas applications. It will maintain a constant outlet pressure irrespective of variations in the inlet pressure or demand from the system.

 

This is accomplished with a highly sensitive pilot valve – itself a small direct acting reducing valve – that provides a constant outlet pressure, irrespective of erratic inlet pressure or system demand. The pilot valve acts to regulate the opening of the main valve in a way that will maintain the desired outlet pressure.

 

Pilot operated valves provide very close accuracy of pressure control. Due to their high flow rates, pilot valves will often be smaller than the comparable direct acting valve.

 

The 2042 is a screwed bronze pilot operated pressure reducing valve.

The 2043 is a flanged bronze pilot operated pressure reducing valve.

The 2044 is a flanged carbon steel (bronze top) pilot operated pressure reducing valve.

The 2045 is a flanged carbon steel (bronze top) pilot operated pressure reducing valve.

The 2046 is a flanged carbon steel (carbon steel top) pilot operated pressure reducing valve.

Class T Pressure Reducing Valves

 

The Class T balanced direct acting pressure regulator is designed for use on installations that have varying inlet pressures and capacities, and require positive shut-off under “no flow” conditions.


The standard valve is suitable for controlling air, gas and water. Alternative seals and diaphragms need to be fitted for oil duty.

 

 

Class T Pressure Reducing Valves

 

The Class TH High Pressure Reducing Valve has been developed to increase the outlet pressures available from the Class T range of valves.

 

The existing range utilises diaphragm technology to regulate the closing pressure. This technology relies on the flexibility of rolling rubber diaphragms, which limit the maximum outlet pressure due to the strength of the rubber.


Within the Class TH High Pressure Reducing Valve, the diaphragm is replaced with a piston (Y). The outlet pressure is sensed up through port (X) to the underside of the piston. This design allows much higher pressures to be accommodated and is less
susceptible to pressure spikes and water hammer.

 

 

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Bailey B Pressure Reducing Valves

 

The Bailey B series of steam pressure reducing and regulating valves are single seated, spring loaded, direct acting diaphragm-actuated valves. This series
automatically reduces a high inlet pressure to a lower delivery pressure and maintains that lower pressure within reasonably close limits.

 

They are designed and built to withstand long periods of service. The simplicity of design aids the ease of maintenance when it is required. 

C10 Pressure Reducing Valves

 

The C10 balanced pressure reducing valve range is designed for use on water/air (gas) applications and for installations which have varying inlet pressures and capacities. It is particularly suitable where positive shut-off is required under ‘no flow’ conditions and where compact size and economy are essential.

 

Class F Hose Pressure Regulator

 

The Class F Hose Pressure Regulator combines the features of a fire hydrant valve and a direct acting water pressure regulator, to give a single unit which protects the fire crew from excess pressure in the fire hose which could cause difficulties in handling the hose. High pressure fire systems are to be found in high rise buildings, oil, gas and chemical facilities.

 

1001S Sightglass

 

•  Virtually resistant to chemical attack.
•  Glass conforms to BS2598/1980.
•  Unrestricted full bore flow.
•  All-round visibility.
•  Stainless steel (316L) carrier and flanges.
•  One-piece continuous PTFE end seals as standard.
    Viton and Neoprene end seals can be fitted on request.
•  Can be supplied assembled as shown, or as a kit of finished parts  

    with or without glass.

 

© 2019 by GTSB Team

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