Double inner tank solar water heater SF-DP
Double inner tank solar water heater SF-DP
HAINING SUNFULL TECHNOLOGY CO., LTD.
1. Professional manufacturer of solar water heater.
2. Customized and New technology.
3. More than 20 years' experience on production and exporting.
4. High quality with competitive price.
SUNFULL advantages - Why choose SUNFULL solar water heater
| 1. Straight seam welding inner tank | 2. BOSCH controller intermediate frequency welding for side cover | 3. New design screw box (Patent owner) |
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| 4. Laser mark available | 5. Special design solar reflector (Patent owner) | 6. Protective packing |
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General data
| Model | SF-DP |
| Type | Evacuated tube |
| Pressure | Pressurized |
| Heating system | Thermosyphon (Passive) |
| Angle | 25° |
| Capacity available | 150L,200L,240L,250L,300L,360L |
| Oter tank material | Stainless steel 201 / Stainless steel SUS304 |
| Frame / Bracket material | Stainless steel 201 / Aluminum alloy |
| Assistant tank | 5L assistant tank for automatic feed water |
Work principle
Double inner tank water heater design, big inner tank is for collecoting the heat and exchange the energy to small inner tank, small inner tank is hih pressure system. High efficient and high pressure hot water supply.
FAQ
1. Guarantee time: At least 3 years for solar water heater, 1 year for electrical spare parts.
2. Payment term: 30% deposit by TT, Balance for BL by TT/LC.
3. Delivery time: 5-10 days(According order quanaity).
4. MOQ: 1 pcs 20'GP container, sample order is available.
5. OEM: available, Can print customer's LOGO on tanks and packages.
| Model | SF-DP |
| Pressure | Pressurized / High pressure |
| Type | Evacuated tube |
| Small inner tank material | Stainless steel SUS304-2B / SUS316L |
| Big inner tank material | Stainless steel SUS304-2B / SUS316L |
| Outer tank material | Stainless steel 201 |
| Outer tank diameter | 480mm (Can be Customized) |
| Insulation | High density polyurethane foaming, 50mm thickness(55mm / 60mm thickness available) |
| Tube-tube distance | 75mm (80mm available, can be Customized) |
| Frame / Bracket material | Stainless steel 201 |
| Frame / Bracket angle | 25° |
| Inner tank welding type | Straight seam welding |
| Side cover welding type | Medium frequency welding by BOSCH controller |
| Connectors welding type | Argon arc welding |
| Screw box type | New type hidden screw box, patent owner |
| Tube performance | Absorption rate:≥93%, Heat radiation rate:≤6%(100°C) |
| Hail resistance | 25mm |
| Tank heat preservation | 72-80h |
| Model / Carton size | Tank | Tube | Frame | Total |
| SF-DP-15 (150L) | 135cm*51cm*51cm | 188cm*34cm*25cm * 1 pcs | 181cm*9cm*12cm | |
| SF-DP-20 (200L) | 172cm*51cm*51cm | 188cm*34cm*17cm * 2 pcs | 181cm*11cm*12cm | |
| SF-DP-24 (240L) | 202cm*51cm*51cm | 188cm*28cm*25cm * 2 pcs | 183cm*11cm*12cm | |
| SF-DP-25 (250L) | 210cm*51cm*51cm | 188cm*34cm*17cm * 1 pcs 188cm*34cm*25cm * 1 pcs | 191cm*11cm*12cm | |
| SF-DP-30 (300L) | 247cm*51cm*51cm | 188cm*34cm*25cm * 2 pcs | 228cm*11cm*12cm | |
| SF-DP-36 (360L) | 292cm*51cm*51cm | 188cm*34cm*17cm * 3 pcs | 273cm*11cm*12cm |
| Package for Tank | |
| Package for Tube | |
| Package for Frame / Bracket |
| Item | Photo | Function | Package size |
| Intelligent controller |
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| 34.5*9*5.5cm |
| Electric element |
| 1. Heating water for back up in raining days | |
| Assistant tank |
| 1. Automatic feed water by a stainless steel float valve | 21*21*25cm |
| Magnesium rod |
| 1. Protect water tank and delay corrosion of water tank |
