If you look at the closely at the restored radiator. The old fittings are still visible - Impossible for this radiator to be pressure tested! Up to 8 / 9 bar - Why? There are very few systems that run at this pressure, most run at 2 bar or under. Thus putting the radiator under unnecessary stresses that.
AVOID powder coating at all costs. Yes, the radiators look good when finished, give them some time and you will regret it. Powder coating involves radiators going through ovens around 200 degrees, this can damage the paper gaskets that join the sections casing rusting or leaks. Our fully equipped workshop can.
Remove the old bushes using a blow torch to ease the removal and avoiding the cast to crack. Flush the radiator using a. Hot water high power pressure washer, removing sediment that has built up over the years. Replace bushes to suit modern plumbing.
1/2" for 15mm valves or 3/4" for 22mm valves. The radiator is put under pressure and after 24 hours, check with a digital pressure meter. If a pressure change occurs then the defect is fixed at this stage (extra costs may occur). The radiator is kept under pressure for the entire length of restoration. The radiator is then grit blasted removing layers of paint and rust.
Digital pressure test is taken to ensure that no holes have occurred. The radiator is then coated with 2 coats of 2 pack high build primer to cover any imperfection in the cast.
Following this, 2 coats of 2 pack top coat are applied. The final pressure test reading is taken. 2 coats of 2 pack high build primer. 2 coats of 2 pack top coat (any RAL colour or Gunmetal). The item "CAST IRON RADIATOR REFURBISHMENT / RESTORATION SERVICE" is in sale since Wednesday, August 2, 2017. This item is in the category "Home, Furniture & DIY\Heating, Cooling & Air\Heaters & Radiators\Central Heating Radiators".The seller is "reclaim-renovate" and is located in Bradfield, Essex. This item can't be shipped, the buyer must pick up the item.