Body Material Body Material |
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For Use With For Use With |
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Connection Style Connection Style |
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Threaded | Compression |
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Barbed | Push to Connect |
Orifice Diameter Orifice Diameter |
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Maximum Pressure Maximum Pressure |
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Length Length |
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Water Flow Water Flow |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Air Flow Air Flow |
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Plug Head Style Plug Head Style |
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Hex Socket | Hex Head |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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How to Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
More
Threaded Flow Control Orifices







Connect these orifices to threaded pipe, or insert them into threaded holes. Also known as flow restrictors and precision orifice valves, they are used to throttle, vent, bleed, or regulate the flow of liquids and gases.
Stainless steel orifices are more corrosion resistant than brass orifices.
316 stainless steel orifices have better corrosion resistance than 303 stainless steel orifices.
Plastic orifices are color coded by orifice diameter for easy identification.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 2,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 2,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 2,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 2,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 2,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 100 psi @ 70° F
- Temperature Range: Not Rated
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
Thread Size | Lg. | Each | |
10-32 | 7/16" | 0000000 | 000000 |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
- Temperature Range: 35° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
- For Use With: Air, Water
- Max. Pressure: 100 psi @ 75° F
- Temperature Range: 40° to 120° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.004" | 0.002 gpm @ 40 psi | 0 scfm @ 40 psi |
0.007" | 0.008 gpm @ 40 psi | 0 scfm @ 40 psi |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
Press-In Flow-Control Orifices

- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
Press these orifices into machined holes in connectors, manifolds, and other custom parts. They’re also known as flow restrictors and precision orifice valves. Use them to throttle, vent, bleed, or regulate the flow of water, oil, and inert gas.
For technical drawings and 3-D models, click on a part number.
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 4.7 scfh @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 13.2 scfh @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 17.8 scfh @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 27.5 scfh @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 37.1 scfh @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 52.5 scfh @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 76.9 scfh @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 132 scfh @ 40 psi |
Lg. | OD | For Hole Dia. | Each | |
303 Stainless Steel Body | ||||
---|---|---|---|---|
1/8" | 1/4" | 0.257" | 0000000 | 000000 |
Compression Flow-Control Orifices


- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 4,000 psi @ 70° F
Compression fittings bite down on the outside of hard metal tubing for a secure connection. Also known as flow restrictors and precision orifice valves, these orifices are used to throttle, vent, bleed, or regulate the flow of liquids and gases.
For technical drawings and 3-D models, click on a part number.
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
Barbed Flow-Control Orifices


Insert the barbed ends of these orifices into rubber and soft plastic tubing, and secure them with a clamp. Also known as flow restrictors and precision orifice valves, they are used to throttle, vent, bleed, or regulate the flow of liquids and gases.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water
- Max. Pressure: 125 psi @ 70° F
- Temperature Range: -40° to 200° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
0.125" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Argon, Coolant, Diesel Fuel, Gasoline, Mineral Oils, Natural Gas, Oil, Oxygen, Steam, Water
- Max. Pressure: 500 psi @ 70° F
- Temperature Range: Not Rated to 500° F
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.4 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.5 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 1.7 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2 scfm @ 40 psi |
0.125" | 2.34 gpm @ 40 psi | 4 scfm @ 40 psi |
For Tube ID | Lg. | Each | |
Barbed × Barbed | |||
---|---|---|---|
1/4" | 1 5/16" | 0000000 | 000000 |
Flange-Mount Flow-Control Orifices

- For Use With: Air, Argon, Carbon Dioxide, Helium, Neon, Nitrogen, Oil, Water, Xenon
- Max. Pressure: 740 psi @ 100° F
- Temperature Range: -20° to 950° F
Also known as orifice plates, these mount between orifice flange unions. They are used to throttle, vent, bleed, or regulate the flow of liquids and gases.
For technical drawings and 3-D models, click on a part number.
For Orifice Flange | Handle | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Flange Pipe Size | For Pipe Schedule | ANSI Class | Surface | Orifice Dia. | Water Flow | Air Flow | Lg. | Thick. | OD | Ht. | Wd. | Each | |
304 Stainless Steel Body | |||||||||||||
1/2 | 40 | 300 | Raised | 0.311" | 3.51 gpm @ 40 psi | 25.2 scfm @ 40 psi | 7 1/8" | 1/8" | 2 1/8" | 5" | 1" | 0000000 | 0000000 |
3/4 | 40 | 300 | Raised | 0.412" | 6.13 gpm @ 40 psi | 44 scfm @ 40 psi | 7 5/8" | 1/8" | 2 5/8" | 5" | 1" | 0000000 | 000000 |
1 | 40 | 300 | Raised | 0.525" | 9.9 gpm @ 40 psi | 71.2 scfm @ 40 psi | 7 7/8" | 1/8" | 2 7/8" | 5" | 1" | 0000000 | 000000 |
1 1/2 | 40 | 300 | Raised | 0.805" | 23.2 gpm @ 40 psi | 167 scfm @ 40 psi | 8 3/4" | 1/8" | 3 3/4" | 5" | 1" | 0000000 | 000000 |
2 | 40 | 300 | Raised | 1.034" | 38.11 gpm @ 40 psi | 274.7 scfm @ 40 psi | 9 3/8" | 1/8" | 4 3/8" | 5" | 1" | 0000000 | 000000 |
2 1/2 | 40 | 300 | Raised | 1.235" | 54.24 gpm @ 40 psi | 391.1 scfm @ 40 psi | 10 1/8" | 1/8" | 5 1/8" | 5" | 1" | 0000000 | 000000 |
3 | 40 | 300 | Raised | 1.534" | 83.56 gpm @ 40 psi | 602.8 scfm @ 40 psi | 10 7/8" | 1/8" | 5 7/8" | 5" | 1" | 0000000 | 000000 |
4 | 40 | 300 | Raised | 2.013" | 143.75 gpm @ 40 psi | 1,037.5 scfm @ 40 psi | 12 1/8" | 1/8" | 7 1/8" | 5" | 1" | 0000000 | 000000 |
6 | 40 | 300 | Raised | 3.033" | 325.79 gpm @ 40 psi | 2,353 scfm @ 40 psi | 14 7/8" | 1/8" | 9 7/8" | 5" | 1" | 0000000 | 000000 |
Pressure-Compensating Threaded Flow-Control Orifices



- For Use With: Water
- Max. Pressure: 120 psi @ 140° F
- Temperature Range: 40° to 140° F
When inlet pressure changes, these orifices automatically adjust to deliver a consistent outlet flow. They connect to threaded pipe, or fit into threaded holes. Also known as flow restrictors and precision orifice valves, they are commonly used to regulate the flow of water during treatment.
Push-to-Connect Flow-Control Orifices


Push tubing into these orifices, and an internal ring holds them in place. They're for use with plastic and soft metal tubing. Also known as flow restrictors and precision orifice valves, they are used to throttle, vent, bleed, or regulate the flow of liquids and gases.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water
- Max. Pressure: Not Rated
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
1/8" | 2.34 gpm @ 40 psi | 11.9 scfm @ 40 psi |
- For Use With: Air, Oil, Water
- Max. Pressure: Not Rated
Available Orifice Diameters | ||
---|---|---|
Orifice Dia. | Water Flow | Air Flow |
0.01" | 0.016 gpm @ 40 psi | 0.1 scfm @ 40 psi |
0.016" | 0.035 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.018" | 0.046 gpm @ 40 psi | 0.2 scfm @ 40 psi |
0.02" | 0.056 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.021" | 0.061 gpm @ 40 psi | 0.3 scfm @ 40 psi |
0.023" | 0.076 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.024" | 0.082 gpm @ 40 psi | 0.4 scfm @ 40 psi |
0.025" | 0.089 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.026" | 0.101 gpm @ 40 psi | 0.5 scfm @ 40 psi |
0.028" | 0.114 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.029" | 0.12 gpm @ 40 psi | 0.6 scfm @ 40 psi |
0.032" | 0.152 gpm @ 40 psi | 0.7 scfm @ 40 psi |
0.033" | 0.158 gpm @ 40 psi | 0.8 scfm @ 40 psi |
0.035" | 0.177 gpm @ 40 psi | 0.9 scfm @ 40 psi |
0.038" | 0.202 gpm @ 40 psi | 1.1 scfm @ 40 psi |
0.04" | 0.228 gpm @ 40 psi | 1.2 scfm @ 40 psi |
0.042" | 0.247 gpm @ 40 psi | 1.3 scfm @ 40 psi |
0.047" | 0.304 gpm @ 40 psi | 1.6 scfm @ 40 psi |
0.052" | 0.373 gpm @ 40 psi | 2 scfm @ 40 psi |
0.055" | 0.43 gpm @ 40 psi | 2.2 scfm @ 40 psi |
0.063" | 0.557 gpm @ 40 psi | 2.8 scfm @ 40 psi |
Pipe Size | For Tube OD | Lg. | Each | |
NPT Male × Push to Connect | ||||
---|---|---|---|---|
1/4 | 1/4" | 15/16" | 0000000 | 000000 |
Flow-Control Orifices for Water

- Max. Pressure: 200 psi @ 180° F
- Temperature Range: 33° to 180° F
Also known as flow restrictors and precision orifice valves, these orifices are used to throttle, vent, bleed, or regulate flow in water systems. They automatically adjust to changing inlet pressure to maintain consistent outlet flow.
Nickel-plated brass orifices are more corrosion resistant than orifices with a plain brass body.
316 stainless steel orifices have the best corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Pipe Size | Lg. | Choose an Outlet Water Flow, gpm | Each | |
Nickel-Plated Brass Body | ||||
---|---|---|---|---|
NPT Female × NPT Female | ||||
3/8 | 1 3/4" | 0000000 | 000000 | |
1/2 | 1 15/16" | 0000000 | 00000 | |
3/4 | 2 1/4" | 0000000 | 00000 | |
1 | 2 3/4" | 0000000 | 00000 | |
316 Stainless Steel Body | ||||
NPT Female × NPT Female | ||||
3/8 | 1 3/4" | 0000000 | 000000 | |
1/2 | 1 15/16" | 0000000 | 000000 | |
3/4 | 2 1/4" | 0000000 | 000000 | |
1 | 2 3/4" | 0000000 | 000000 |
Flow-Control Orifices for Chemicals

- For Use With: Air, Ammonia, Sodium Hydroxide, Beverage, Carbon Dioxide, Diesel Fuel, Water, Oil, Ethylene Glycol, Food, Hydrochloric Acid, Kerosene, Liquid Carbon Dioxide, Methanol, Soap Solutions, Methyl Ethyl Ketone, Mineral Spirits, Natural Gas, Oxygen, Nitric Acid
- Max. Pressure: 120 psi @ 75° F
- Temperature Range: 40° to 140° F
Made of PVC, these orifices have excellent resistance to a wide range of corrosive chemicals. Also known as flow restrictors and precision orifice valves, they are used to throttle, vent, bleed, or regulate the flow of liquids and gases. They automatically adjust to changing inlet pressure to maintain consistent outlet flow.
For technical drawings and 3-D models, click on a part number.
Pipe Size | Lg. | Choose an Outlet Water Flow, gpm | Each | |
PVC Plastic Body | ||||
---|---|---|---|---|
NPT Female × NPT Female | ||||
1/4 | 2 3/8" | 0000000 | 0000000 | |
3/8 | 2" | 0000000 | 000000 | |
1/2 | 2 1/4" | 0000000 | 000000 | |
3/4 | 3 1/4" | 3 | 0000000 | 000000 |
3/4 | 3 1/4" | 4 | 0000000 | 000000 |
3/4 | 3 1/4" | 5 | 0000000 | 000000 |
3/4 | 3 1/4" | 6 | 0000000 | 000000 |
3/4 | 3 1/4" | 7 | 0000000 | 000000 |
3/4 | 3 1/4" | 8 | 0000000 | 000000 |
3/4 | 5" | 9 | 0000000 | 000000 |
3/4 | 5" | 10 | 0000000 | 000000 |