Figure 922 High Capacity Compound Lever Air Release Valve
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The Figure 922 has a larger venting orifice than the Figure 920 and therefore can efficiently release air from higher flow rate systems. The Figure 922 is available with 2” or 3” (DN50 or DN80) NPT connection size, cast iron body and 316 SS trim and can be supplied with one of two large standard orifices - a 3/8” (4.8mm) diameter for pressures up to 150 PSI (1,034 Kpa) or a 7/32” (5.6mm) diameter for up to 300 PSI (2,068 Kpa) working pressure. The standard Buna-N seat is suitable for cold and hot water up to 180F (82C).
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Figure 920 Compound Lever Air Release Valve
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The Figure 920 is available with 1”, 1-1/2” or 2” (DN25, DN32 or DN50 NPT connection size, cast iron body and 316 SS trim and one of two standard orifices - 3/16” (4.8mm) diameter for pressures up to 150 PSI (1,034 Kpa) or 1/8” (3.2mm) diameter for working pressure to 300 PSI (2,068 Kpa). The standard Buna-N seat is suitable for cold and hot water up to 180F (82C).
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Figure 912 High Capacity Simple Lever Air Release Valve
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The Figure 912 is available with ½”, ¾” or 1” (DN15, DN20 or DN25) NPT connection size, cast iron body and 316 SS trim. It can be supplied with either a 1/8” (3.2mm) diameter orifice for pressures up to 150 PSI (1,034 Kpa) or a 3/32” (2.4mm) diameter orifice for working pressure to 300 PSI (2,068 Kpa). The standard Buna-N seat is suitable for cold and hot water up to 180F (82C).
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Figure 910 Simple Lever Air Release Valve
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The Figure 910 is available with ½”, ¾” or 1” (DN15, DN20 or DN25) NPT connection size, cast iron body and 316 SS trim. It can be supplied with a 3/32” (2.4mm) diameter orifice for pressures up to 150 PSI (1,034 Kpa) or a 1/16” (1.6mm) diameter orifice for working pressure to 300 PSI (2,068 Kpa). The standard Buna-N seat is suitable for cold and hot water up to 180F (82C).
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Figure 905 “Minimatic” Air Release Valve
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The Figure 905 is a small, compact and economical air release valve with ½”, ¾” or 1” (DN15, DN20 or DN25) NPT connection size, cast iron body and 316 SS trim. The valve has a relatively large 3/32” (2.4mm) diameter orifice for pressures up to 150 PSI (1,034 Kpa) or it can be supplied with a 1/16” (1.6mm) diameter orifice for working pressure to 200 PSI (1,379 Kpa). The standard Buna-N seat is suitable for cold and hot water up to 180F (82C).
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Figure 929 Short Body Wastewater Air Release Valve
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The Figure 929 short body allows it to be used in installations when there is insufficient clearance for the standard elongated body wastewater air valve. It is available with 2” or 3” (DN50 or DN80) NPT or 4” (DN100) flanged connection size, cast iron body and 316 SS trim. It has a standard 3/16” (9.5mm) diameter orifice for pressures up to 150 PSI (1,034 Kpa) but can be supplied with a 5/16” (7.9mm) diameter orifice for working pressure up to 75 PSI (517 Kpa). Wastewater air release valves are often supplied with optional backflushing attachments.
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Figure 927 High Capacity Wastewater Air Release Valve
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The Figure 927 is recommended when a high wastewater flow rate dictates extra venting capacity. It is available with 2” or 3” (DN50 or DN80) NPT or 4” (DN100) flanged connection size, cast iron body and 316 SS trim. It can be supplied with either of two large standard orifice sizes - 1/2” (13mm) diameter for pressures up to 150 PSI (1,034 Kpa) or 7/16” (11mm) diameter for working pressure up to 75 PSI (517 Kpa). Wastewater air release valves are often supplied with optional backflushing attachments.
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Figure X925SS All Stainless Steel Air Release Valve
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The Figure X925SS is ideal when the fluid not clean AND the ambient conditions are corrosive. It is ideally suited to coastal installations or when the vault is subject to flooding. It is available with 2” (DN50) NPT connection size and has 316 SS body, cover, float, internal linkage and external fasteners. It is available with either of two standard orifices, 3/16” (9.5mm) diameter for pressures up to 150 PSI (1,034 Kpa) or 5/16” (7.9mm) diameter for working pressure up to 75 PSI (517 Kpa).
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Figure 925 Wastewater Air Release Valve
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The Figure 925 is recommended when the fluid is not clean, such as sewage or wastewater. The valve’s elongated body minimizes aspiration and helps keep solids and debris from affecting operation. It is available with 2” or 3” (DN50 or DN80) NPT or 4” (DN100 flanged connection size, cast iron body, 316 SS float and trim and can be supplied with one of two standard orifices - 3/16” (9.5mm) diameter for pressures up to 150 PSI (1,034 Kpa) or a 5/16” (7.9mm) diameter for working pressure up to 75 PSI (517 Kpa). Wastewater air release valves are often supplied with optional backflushing attachments.
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