Solar water heater •  Model: SFA •  Model: SFB •  Model: SFC •  Model: SFD •  Model: SFE •  Model: SFH Solar Air Heating System   • Model: SFG Vacuum tubes • Model: SFVA • Model: SFVB • Model: SFVC Boiler with one coils • Model MВ S1 (80-120 l) • Model ВВ S1 (120-200 l) • Model SB S1 (150-500 l) • Model SB S1 (750-1,000 l) Boiler with two coils • Model ВВ S2 (200 l) • Model SB S2 (200-1,000 l) Special boilers • With a coil and casing type ВВ S1M (80-200L) • Industrial boilers with two coils type SB S2 (1,500-2,000L) • Industrial boilers with one coil type SB S1 (1,500-2,000L) • Industrial boilers type SB EL (1,500-2,000L) • Industrial water containers without a coil type HSE (2,500-10,000L) • Industrial water containers with one U-shaped coil type HSU-1 (2,500-10,000L) HSU-1 (2,500-10,000л) PRODUCTS Solar tubes Model: SFVA SFVA series – All-glass Evacuated Solar Collector Tube Description Payment Terms - cash; - bank transfer; - T/T, L/C Supply Ability 2,500 sets per month Model Number SFVA Brand Name Vacuum tube Minimum Order 1 set Delivery Time 8 weeks Features: Technical Specifications Length 1500mm 1800mm Outer tube diameter 47mm 58mm Inner tube diameter 37mm 47mm Weight 1.3kg 2.2kg Glass thickness 1.6mm 1.6mm Material Borosilicate Glass 3.3 Borosilicate Glass 3.3 Absorptive coating Graded A1/N/A1 Graded A1/N/A1 Vacuum degree P<5*10 -3 Pa P<5*10 -3 Pa Thermal expansion 3.3*10 -6 /°C 3.3*10 -6 /°C Insolation Temperature >200°C >200°C Absorptance >93% >93% Emittance <8% <8% Heat loss <0.8W/(m2°C) <0.8W/(m2°C) Maximum strength 0.8Mpa 0.8Mpa Resist cold -35 °C -35 °C Resist hailstone Ø 25mm Ø 25mm Resist wind 30m/s 30m/s Start-up temperature <=25°C <=25°C Item No. Specification Диаметър на слънчевата тръби Дължина на слънчевата тръби SFVA4715 Ø47 mm 1.5 M SFVA5818 Ø58 mm 1.8 M Top
	Home | About us | Products | Clients | Projects | Contacts STOPER Plovdiv , 140 Maritza blv. теl. / fax: +359 32 625204 Razgrad , 2a Beli Lom St. теl. / fax: +359 84 661041 Powered by CS Development Ltd.        All rights reserved STOPER