Bird Precision
Bird Precision
One Spruce Street, P.O. Box 540569
Waltham, MA 02454-0569 USA
Phone: (800) 454-7369
Fax: (800) 370–6308
Email: sales@birdprecision.com
Website: www.birdprecision.com
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PVDF Plastic compresion Union for 1/4" diameter plastic or stainless tubing. PFA-420-6

This union comes with a special PVDF insert and Sapphire conical style Orifices

For elevated pressure applications the flow should push the orifice into it's seat in the fitting.
RB82318 Series Plastic Orifice Union Connector
Unit of Measure
1 2 

Item #

Item Name

Orifice Inner Diameter (I.D.)

Diameter

Tube Diameter

Orifice Outer Diameter (O.D.)

RB82318PL-24015 N/A RB82318 Series 0.0020 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0020 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24059 N/A RB82318 Series 0.0025 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0025 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24016 N/A RB82318 Series 0.0030 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0030 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24017 N/A RB82318 Series 0.0035 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0035 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24018 N/A RB82318 Series 0.0040 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0040 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24019 N/A RB82318 Series 0.0045 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0045 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24022 N/A RB82318 Series 0.0050 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0050 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24024 N/A RB82318 Series 0.0055 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0055 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24025 N/A RB82318 Series 0.0060 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0060 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24026 N/A RB82318 Series 0.0065 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0065 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24028 N/A RB82318 Series 0.0070 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0070 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24030 N/A RB82318 Series 0.0075 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0075 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24010 N/A RB82318 Series 0.0080 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0080 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24110 N/A RB82318 Series 0.0085 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0085 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24031 N/A RB82318 Series 0.0090 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0090 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24032 N/A RB82318 Series 0.0095 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0095 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24033 N/A RB82318 Series 0.0100 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0100 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24034 N/A RB82318 Series 0.0105 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0105 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24035 N/A RB82318 Series 0.0110 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0110 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24111 N/A RB82318 Series 0.0115 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0115 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24036 N/A RB82318 Series 0.0120 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0120 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24112 N/A RB82318 Series 0.0125 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0125 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24037 N/A RB82318 Series 0.0130 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0130 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24038 N/A RB82318 Series 0.0135 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0135 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
RB82318PL-24039 N/A RB82318 Series 0.0140 Inch (in) Inner Diameter (I.D.) and 0.087 Inch (in) Outer Diameter (O.D.) Plastic Orifice Union N/A 0.0140 in N/A 1/4 in N/A 1/4 in N/A 0.0870 in
Unit of Measure
1 2