non-pressure and pressure solar water heater machinery are produced by our company. length : 3000mm

 thickness : 0.3—0.7mm

 Diameter of vacuum tube : 58mm/47mm

 Width between centres of the vacuum tube : 75mm

 Inner lid diameter : 350mm

 Outer lid diameter : 450mm

 Outer lid angle  :60 °

 The method of outer lid anti-edge : toward outside anti-edge        

The welding method of pass in and out water tie-in : automatic argon-arc welding

 The welding method of the inner container straight seam: first spot welding, then seam welding

 The welding method of inner container circular seam: first anti-edge, then seam welding 

 The connection method of outer container straight seam :first fold edge, then planish

 The support box of the vacuum tube bottom ,spot welding reinforce after bending

 Bracket proximate matter is rolling pressure forming

      our company also can according to clients's request to make the special machine.

Explanation:

Payment : TT, 30% as deposit in advance, the balance 70% should be paid before delivery ( when goods are finished, the buyer testing the all the machine.)Trade terms: FOB Ningbo Industry voltage: 380V/50HZ, ( different should be customized )After service:  within one year, if some parts is broken, depend on the picture from the buyer, the seller send the new parts to the buyer for free charge, the express fee should be paid by buyer. The seller give the longlife technical support for free.

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