vacuum tube solar collectors Vacuum Tube Solar Collector

vacuum tube solar collector Feature: 1.Glass vacuum tube solar collector, high temperature,antifreeze,vacuum insulation. 2.Food-grade stainless-steel SUS304 2B inner tank,full-automat

    vacuum tube solar collector

    Feature:

    1.Glass vacuum tube solar collector, high temperature,antifreeze,vacuum insulation.

    2.Food-grade stainless-steel SUS304 2B inner tank,full-automatic welding technology,under

    the protection of magnesium rod,it can increase of service life.

    3.High pressure polyurethane foaming insulation,as the prefect density and

    4.the thermal conductivity coefficient is small, so it can provide effective heat preservation

    5.It can supply for several outlets at the same time, so it can fit for various requirement.

    6.Non-pressure operation, can be used for natural circulation systems, large collector area, flexible installation.

    7.Designed for commercial building design, suitable for schools, dormitories, hotels, bath centers and other public construction applications.

    8Can be used for a large swimming pool heating, hot water and other large industrial water systems.

    9The outer tank adopt color steel plate,and it has good double anti-corrosion function.

    10.Investment only once,benifit forever. No harm,no pollution, saving and clean.

    Working principle:

    the vacuum tube absorbs solar radiation and transform into heat, heat the water in the vacuum tube. hot water flows upward due to the small density , cold water flows downward due to the bigger density, it forms a natural circulation in the vacuum tube. It repeatedly for heat exchange. thereby heat the water in the collector manifold. cold water entering the collector manifold, replacement of the hot water , ultimately, we get hot water.

    Technical data:

    Specification & model

    SD-G2-15

    SD-G2-18

    SD-G2-20

    SD-G2-24

    SD-G2-25

    SD-G2-30

    Full system parameter

    Tube QTY(pcs)

    15

    18

    20

    24

    25

    30

    Tube spacing㎜)

    75

    Water tank 

    Net Volume of Storage Tank(L)

    120

    140

    155

    185

    195

    230

    Gross Capacity(L)

    155

    185

    205

    245

    255

    305

    Diamater of inner/outer Tank(㎜)

    φ360/φ470

    length of outer tank L1(㎜)

    1310

    1535

    1685

    1985

    2060

    2435

    length of inner tank L(㎜)

    1170

    1395

    1545

    1845

    1920

    2295

    material and thickness of inner tank(㎜)

    SUS304 /t0.41

    material of outer tank

    color steel plate  t0.45

    material of insulation

    polyurethane 

    Size of electrical heater hole 

    11/4″

    Cold water inlet hole

    1/2″

    Hot water outlet hole

    1/2″

    Assistant tank hole

    1/2″

    Air vent hole

    1/2″

    Drain vent hole

    1/2″

    Sensor hole

    1/2″

    Vacuum Tube

    Diameter/Length(㎜)

    φ58/1800

    Material

    High boron and silicon glass 3.3 

    Outside thickness(㎜)

    1.8

    Inside thickness(㎜)

    1.6

    Light transmission rate

    ≥0.90

    Vacuum degree (Pa)

    <10^-2

    Coating absorption

    ≥0.90

    Coating emittance

    ≤0.07

    Average heat waste coefficient

    ≤0.75W/(㎡·℃)

    Frame

    2 feets ( left-to-right )

    3 feets ( left-middle-right )

    Material 

    Galvanized steel t1.2

    Galvanized steel t1.2

    Angle 

    45°

    Tube support Specification/hole distance(㎜)

    φ58/75

    Accessories:

    Tube sealing ring

    Silicon rubber/φ58

    Tube dusting rings

    Silicon rubber/φ58

    Tube holder

    ABS/φ58

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    Zhejiang Sidite New Energy Co.,Ltd

    Jiaxing Sidite Import & Export Co.,Ltd

    Address: Yuxin industrial park, Nanhu Region

    City:jiaxing Province:Zhejiang

    Tel: 86-573-83224422

    Fax: 86-573-83225533

    Mail: info@sidite.com

    Web: www.sidite-solar.com

    Zhejiang Sidite New Energy Co.,Ltd

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