Orifice Assembly OM
- For use as a measuring or restricting orifice
- Replaceable measuring plates
- NPT threaded or ANSI flanged connections for easy installation
- Test fittings on either side of the measuring plate for reading differential pressure
Learn More:
Description Documentation Ordering Information Application Accessories
| Model and Description | Stock | Price | Cart |
| OM1NP04 Thread Size: ½″ NPT; Orifice: 4mm to 18mm (choose in cart) |
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| OM2NP04 Thread Size: ¾″ NPT; Orifice: 4mm to 18mm (choose in cart) |
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| OM3NP04 Thread Size: 1″ NPT; Orifice: 4mm to 18mm (choose in cart) |
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| OM35NP12 Thread Size: 1¼″ NPT; Orifice: 12mm to 34mm (choose in cart) |
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| OM4NP12 Thread Size: 1½″ NPT; Orifice: 12mm to 34mm (choose in cart) |
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| OM6NP12 Thread Size: 2″ NPT; Orifice: 12mm to 34mm (choose in cart) |
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| OM78NP28 Thread Size: 2½ - 3″ ANSI; Orifice: 28mm to 50mm (choose in cart) |
*Please allow 1-2 business days for processing. If the bore size you need is not listed see our custom plates below
Description
The OM measuring orifice is used to measure the flow and differential pressure of air or gas through a combustion system. A measuring orifice makes tuning your burner (and your life) easier.
Documentation
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Orifice Assembly OM Technical Information |
Application
Orifice Assembly OM
Measuring orifice assemblies are usually found on the gas and air lines of the burner train, as shown here.
Accessories
| Model and Description | Stock | Price | Cart |
| TPN025 ¼″ NPT test tap |
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| DM3.04 Spare plate with 4mm bore for OM1, OM2, and OM3 |
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| DM3.06 Spare plate with 6mm bore for OM1, OM2, and OM3 |
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| DM3.08 Spare plate with 8mm bore for OM1, OM2, and OM3 |
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| DM3.10 Spare plate with 10mm bore for OM1, OM2, and OM3 |
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| DM3.12 Spare plate with 12mm bore for OM1, OM2, and OM3 |
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| DM3.14 Spare plate with 14mm bore for OM1, OM2, and OM3 |
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| DM3.16 Spare plate with 16mm bore for OM1, OM2, and OM3 |
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| DM3.18 Spare plate with 18mm bore for OM1, OM2, and OM3 |
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| DM3 Custom/Rush Spare plate for OM1, OM2, and OM3 with custom bore or faster delivery Provide desired bore in shopping cart comment section |
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| DM6.12 Spare plate with 12mm bore for OM35, OM4, and OM6 |
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| DM6.16 Spare plate with 16mm bore for OM35, OM4, and OM6 |
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| DM6.20 Spare plate with 20mm bore for OM35, OM4, and OM6 |
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| DM6.24 Spare plate with 24mm bore for OM35, OM4, and OM6 |
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| DM6.28 Spare plate with 28mm bore for OM35, OM4, and OM6 |
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| DM6.34 Spare plate with 34mm bore for OM35, OM4, and OM6 |
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| DM36 Custom/Rush Spare plate for OM35, OM4, and OM6 with custom bore or faster delivery Provide desired bore in shopping cart comment section |
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| DM78.28 Spare plate with 28mm bore for OM78 |
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| DM78.34 Spare plate with 34mm bore for OM78 |
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| DM78.38 Spare plate with 38mm bore for OM78 |
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| DM78.42 Spare plate with 42mm bore for OM78 |
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| DM78.46 Spare plate with 46mm bore for OM78 |
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| DM78.50 Spare plate with 50mm bore for OM78 |
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| DM78 Custom/Rush Spare plate for OM78 with custom bore or faster delivery Provide desired bore in shopping cart comment section |
