Non-pressure Water Heater

Technical parameter of  stainless steel solar water heater

Description

compact  Solar  Water  Heater

Material  of  out  tank

 SUS304 stainless  steel /0.4mm SUS304-BA(Bright)

Material  of  inner  tank

 SUS304-2B stainless  steel or SUS316 stainless steeel

Tank  insulating  layer

50-60mm  high-density  polyurethane  foamed

Diameter  outer/inner tank

420/310mm   460/360mm  470/360mm   480/360mm

Electrical  Heater

1500W/2500W/3000W;   220V/110V

Inlet  and  outlet  hole

Male 1/2″,   3/4″

Max  pressure

0.05  Mpa

Solar  collector  tube

3.3  Borosilicate  glass  with   CU/SS-ALN/ALN(three target)

Thickness  of  glass  tube

1.6mm

Vacuum  tube  tightness

P≤ 0.005  Pa

Absorption

as=0.93-0.96(AM1.5)

Emission  ratio

ε h=0.04-0.06(80C± 5C)

Idle  sunning  property  parameters

Y=220~260m². C/KW

Average  heat  loss  coefficient

ULT=0.6~0.7W/(m2. C)

Bracket:

stainless steel/aluminum alloy

Structure  of  tank:

Usually   holes  for  air  vent, overflow, water  inlet  and  outlet, electric  heater.

welding:

automatic argon  arc  welding

fastening  pieces:

stainless  steel  screw

Seal material

stabilized high temperature silicon

Option-1(with electrical heater):

Assistant Tank 3L,  as a automatic watering part.