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The RM Stelflow has carefully been brought together from quality components and has been designed with performance in mind. Using their many years of involvement within the hot water industry and their knowledge of bringing unvented cylinders to the market they have created a new standard in unvented water storage.
Stelflow offers the following advantages:
Specially made units manufactured to your own design.
Full range of slim units available, 60L to 210L, the units feature a diameter of only 475mm one of the slimmest on the market.
A range of horizontal cased units.
Coil in coil heat exchanger, giving high recovery rates.
External expansion for reliability and flexible siting.
Full KIWA product approval.
Vessel constructed from Duplex Stainless Steel.
Superior insulation values, with an ODP of 0 and GWP of 1.
Comprehensive controls and fixing kit from leading
Stelflow offers peace of mind with the following guarantees:
25 Year vessel guarantee.
Stainless Steel stat pocket guaranteed against corrosion.
All other cylinder components guaranteed for 2 years.
All units are pickled to ensure longer life.
Stelflow offers many technical benefits:
Minimum recommended working pressure 1 bar & maximum
All cylinder connections are 22mm compression.
Units tested to 15 bar.
Minimum water supply 1.5 Bar, 20 Litres/Min.
Primary coil circuit must be fully pumped, gravity coils are available by special order.
All units available as vented cylinders.
1. Pressure reducing valve set at 3 Bar.
2. Expansion relief valve set at 6 bar.
3. Temperature and pressure relief valve at 7 bar and 90oC.
4. High Limit stat set at 85oC
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