Section Code 1890 :
Back To Directory SectionsRange of Indirect and direct unvented storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 6.0 bar at 90˚C and an expansion relief valve set at 4.5 bar. The product is supplied with a safety group consisting of a pressure reducing valve set at 3.0 bar, and an approved check cartridge, verified by test (suitable for backflow protection against fluid category 2) an expansion vessel and tundish. Maximum working pressure: Secondary: 4.0 Bar Primary: 3.0 Maximum operating temperature 99.0°C
Range of primary hot water buffer tanks consisting of stainless steel shells. Maximum working pressure 8.0 bar. Maximum operating temperature 80°C.
Range of primary hot water buffer tanks consisting of insulated enamel and Stainless steel shells. Maximum working pressure 8.0 bar. Maximum operating temperature 80°C.
Ultraflow ranges of Direct, Indirect, Solar Single, Solar Twin, Slim Direct and Slim Indirect stainless steel insulated unvented hot water storage cylinders with external expansion. The DHW circuit consists of a temperature and pressure relief valve set at 7.0 bar and 90°C, an inlet control group consisting of a pressure reducing valve adjustable between 2.7 and 3.3 bar, an expansion relief valve (SRV) set at 6.0 bar, a strainer and a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) also supplied with a tundish. Maximum supply pressure to the inlet control group 10.0 bar. Maximum working pressures - Primary circuit 6.0 bar, Secondary circuit 5.5 bar. Maximum operating temperature 65˚C.
Range of Ultraflow Air bubble top indirect and direct single coil unvented storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 10.0 bar@90˚C. A safety kit (manifold) consisting of a single check valve assembly, verified by test (suitable for backflow prevention against fluid category 2), strainer, an expansion relief valve set at 8.0 bar and a pressure reducing valve set at 3.0 bar and a tundish is also provided. Alternative inlet control group and temperature and pressure relief valve added January 2023. Maximum working pressure: Secondary circuit: 7.5 bar. Primary circuit: 6.0 bar.
Non-metallic materials and components comply with BS6920 at 65°C
Page 8 of 11
We use cookies to give you the best possible experience with WRAS. Some are essential to provide website functions and ensure the website is secure. We also use cookies to help us understand how people use the site and to make improvements. Click "Accept All" to enable recommended settings or click "Manage cookies" to adjust your settings. For more details, see our Cookie Policy.
