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  • About Us
  • Products
    • Green Energy
    • Energy Efficiency
    • Energy Management
    • Energy Services
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  • FAQ
    • Solar PV systems
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Faqs

Home » Faqs » Page 3
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Posted November 1, 2018

What is the difference between pressure reducing valve and the pressure-regulating valve

In pressure reducing valve the excess pressure will gets reduced by discharging the water from the system. But in a pressure regulating valve the pressure will be reduced by regulating the flow [...]

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Posted November 1, 2018

Difference between ARV and air vent

The ARV cannot act to the negative pressure but a air vent can do.

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Posted November 1, 2018

What are the functions of air vent, ARV, AW & VRV

Air vent – safe guard the tank from positive and negative pressure and air lock in the utility point. ARV-Air release valve is used to release the air manually. AW – Air vent valve is [...]

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Posted November 1, 2018

When salt is deposited inside the ETC tubes, how will you remove the salt

Remove the ETC tubes, put sulphamic acid powder and water inside the ETC tube, rinse the tube carefully till salt gets removed.

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Posted November 1, 2018

What is the coating of the copper fins in flat panel

Selective Black-Chrome coating.

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Posted November 1, 2018

What is the PUF density? Why we are not using more density PUF?

The PUF density is min 30 – 40 kg/m3. Low density PUF has a Insulation property, so we are not using the high density PUF.

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Posted November 1, 2018

Why we are using 30 Deg slope inclination in the stand

This is an average inclination of system suitable to the Indian geography.

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Posted November 1, 2018

What is the minimum height difference between OHT bottom to SWH tank top in normal system

The minimum height difference between OHT bottom to he SWH tank is 150 mm, in a normal system.

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By admin
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Posted November 1, 2018

When will you recommend the customer to cover the ETC tubes of the SWH

If the SWH is not used more than 3 days, we have to insist to cover the ETC tubes.

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Posted November 1, 2018

Whether 60-Watts bulb generates hot water during night

Yes it will generate. But a energy developed will be negligible.

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