The restrictors incorporate a precision synthetic sapphire orifice which is fitted within a main body. The sapphire orifice is a stable, accurate flow restrictor. Standard sizes range from .0012" to .0252" orifice diameter in 32 increments.
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Precision Sapphire Orifices Compression Connections

Precision Sapphire Orifices - Compression Connections
Precision Sapphire Orifices Compression Connections

Precision Sapphire Orifices - Compression Connections
Precision Sapphire Orifices Compression Connections

Precision Sapphire Orifices - Compression Connections
Precision Sapphire Orifices Compression Connections

Precision Sapphire Orifices - Compression Connections
Precision Sapphire Orifices Compression Connections

Precision Sapphire Orifices - Compression Connections
Orifice Diameter N/A 0.0012 in N/A 0.0016 in N/A 0.002 in N/A 0.0024 in N/A 0.0028 in
Material N/A 316 SS
Orifice Material N/A Synthetic Sapphire/Nylon Sleeve
Nominal Orifice Size N/A 3 N/A 4 N/A 5 N/A 6 N/A 7
CV
N/A 0.00003 N/A 0.000053 N/A 0.00009 N/A 0.00012 N/A 0.00017
Maximum Operating Pressure N/A 100 psig
Width Across Flats (Hex) N/A 9/16 in
Total Length N/A 1.49 in
Width Across Flats (Hex) 2 N/A 9/16 in
Orifice Diameter Accuracy N/A ±0.0003 in
Connection A N/A 1/4" NPT Male
Connection B N/A 1/4" OD Tube Compression
Screened N/A None