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
Print Back
Brass Plate Orifice 0.250" Diameter x 0.030" Thick

RB82121 is a plate style orifice. It is usually installed and sealed with a face seal o-ring and / or retaining ring. This brass plate comes complete with our 0.060" diameter sharp edge orifice series. Size ranges from 0.0004" thru 0.035".
RB82121 Series Brass Precision Orifice Plate Insert
Unit of Measure
1 2 3 

Item #

Item Name

Orifice Inner Diameter (I.D.)

Diameter

Press-In Insert Length

Orifice Outer Diameter (O.D.)

RB82121BR-22045 N/A RB82121 Series 0.0080 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0080 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22046 N/A RB82121 Series 0.0085 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0085 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22016 N/A RB82121 Series 0.0090 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0090 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22049 N/A RB82121 Series 0.0095 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0095 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22081 N/A RB82121 Series 0.0100 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0100 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22050 N/A RB82121 Series 0.0105 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0105 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22181 N/A RB82121 Series 0.0107 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0107 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22051 N/A RB82121 Series 0.0110 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0110 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22053 N/A RB82121 Series 0.0115 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0115 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22124 N/A RB82121 Series 0.0116 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0116 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22010 N/A RB82121 Series 0.0120 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0120 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22054 N/A RB82121 Series 0.0125 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0125 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22088 N/A RB82121 Series 0.0129 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0129 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22055 N/A RB82121 Series 0.0130 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0130 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22056 N/A RB82121 Series 0.0135 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0135 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22057 N/A RB82121 Series 0.0140 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0140 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22058 N/A RB82121 Series 0.0145 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0145 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22059 N/A RB82121 Series 0.0150 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0150 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22060 N/A RB82121 Series 0.0155 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0155 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22061 N/A RB82121 Series 0.0160 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0160 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22062 N/A RB82121 Series 0.0165 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0165 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22112 N/A RB82121 Series 0.0168 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0168 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22063 N/A RB82121 Series 0.0170 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0170 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22067 N/A RB82121 Series 0.0175 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0175 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
RB82121BR-22068 N/A RB82121 Series 0.0180 Inch (in) Inner Diameter (I.D.) and 0.060 Inch (in) Outer Diameter (O.D.) Brass Precision Orifice Plate Insert N/A 0.0180 in N/A 0.0250 in N/A 0.030 in N/A 0.060 in
Unit of Measure
1 2 3