OSO 21 series bespoke water jacketed design unvented cylinder
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Description
The OSO 21 series is a bespoke water jacketed design unvented cylinder available from 500 to 10,000 litres. The 21 series is manufactured in a double convex fashion. The cylinder is supplied for indirect heating format, but additional back-up immersion heaters can be fitted in base of the outer water jacket.
The 21 series has an additional copper finned coil in the secondary water that substantially improves the heat-up time compared to the otherwise identical OSO 18S cylinder.
The domestic hot water is heated evenly from the base and the sides meanng that there is no �dead zone� in the base of the cylinder where water is permanently cooler. This eliminates the need for destratification pumps and enhances the use of the cylinder for public and other large buildings.
21 series cylinders are supplied with copper lined steel construction.
Insulation is by CFC free glass wool at a thickness of 100mm. The outer casing is blue powder coated painted steel.
Secondary water expansion can be accommodated in a self generated air gap or by a separate expansion vessel suitable for potable water.
The 21 series can be supplied with a blending valve to allow high temperature water storage to increase the amount of usable hot water from a given capacity cylinder.
The inner vessel has a maximum working pressure of 10 bar. All seams are fusion welded. The outer primary jacket has a maximum working pressure of 4 bar.
All OSO commercial calorifiers, including the 18 series are manufactured to individual specification. Extras such as inspection manholes, extra or larger bosses and connection and pressure control valves are available on request.
OSO commercial cylinders can also be supplied as vented products.
The 21 series has an additional copper finned coil in the secondary water that substantially improves the heat-up time compared to the otherwise identical OSO 18S cylinder.
The domestic hot water is heated evenly from the base and the sides meanng that there is no �dead zone� in the base of the cylinder where water is permanently cooler. This eliminates the need for destratification pumps and enhances the use of the cylinder for public and other large buildings.
21 series cylinders are supplied with copper lined steel construction.
Insulation is by CFC free glass wool at a thickness of 100mm. The outer casing is blue powder coated painted steel.
Secondary water expansion can be accommodated in a self generated air gap or by a separate expansion vessel suitable for potable water.
The 21 series can be supplied with a blending valve to allow high temperature water storage to increase the amount of usable hot water from a given capacity cylinder.
The inner vessel has a maximum working pressure of 10 bar. All seams are fusion welded. The outer primary jacket has a maximum working pressure of 4 bar.
All OSO commercial calorifiers, including the 18 series are manufactured to individual specification. Extras such as inspection manholes, extra or larger bosses and connection and pressure control valves are available on request.
OSO commercial cylinders can also be supplied as vented products.
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OSO 21 series bespoke water jacketed design unvented cylinder
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