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    A simple in-line element called a pressure snubber is used to reduce the rate of flow of fluids into pressure instruments and controls. A small orifice in an adapter fitting dampens shock and fluctuating pressure effects by limiting the rate at which flow enters. The smaller the orifice, the greater is the dampening effect. The proper orifice size for any application depends upon the size of the pressurized chamber, the viscosity of the fluid and the required response time of the system.
    Orifice sizes from .004" diameter to .020" diameter are available. In general, large instrument chambers require large flow orifices. Viscous fluids require larger flow orifices than low viscosity fluids. Gases generally require small orifices.
Pressure Snubbers NPT Pipe Adapter
Unit of Measure
Items Precision Metal Orifices NPT Adapter
DP-4-SS
Pressure Snubbers - NPT Pipe Adapter
Precision Metal Orifices NPT Adapter
DP-8-SS
Pressure Snubbers - NPT Pipe Adapter
Precision Metal Orifices NPT Adapter
DP-15-SS
Pressure Snubbers - NPT Pipe Adapter
Pressure Snubbers NPT Pipe Adapter
DP-4-BR
Pressure Snubbers - NPT Pipe Adapter
Pressure Snubbers NPT Pipe Adapter
DP-8-BR
Pressure Snubbers - NPT Pipe Adapter
Orifice Diameter N/A 0.0040 in N/A 0.008 in N/A 0.015 in N/A 0.0040 in N/A 0.008 in
Material N/A 303 SS N/A 303 SS N/A 303 SS N/A Brass N/A Brass
CV N/A 0.00035 N/A 0.0015 N/A 0.005 N/A 0.00035 N/A 0.0015
Maximum Operating Pressure N/A 4000 psig N/A 4000 psig N/A 4000 psig N/A 2000 psig N/A 2000 psig
Width Across Flats (Hex) N/A 9/16 in
Total Length N/A 0.880 in
Connection A N/A 1/8" NPT Male
Connection B N/A 1/8" NPT Female
Screened N/A None