and a vermiculite brick. Insulation The boiler body has full sprayed-on rigid, CFC-free polyurethane foam insulation with a high insulation coefficient. Casing The boiler is covered with a steel casing that has been stove enamelled at 220°C after scouring and phosphating. Storage exchanger The inner hot water tank with integrated heating surface
About Nightstor boilers - E W Jenkins & Son Technical
The boiler is delivered in a wooden frame. The base is a platform from which the boiler can be safely lifted. The package should be unwrapped as close to the installation site as possible. The factory has insured the boiler against damage during transport from the factory to the first in-termediate storage site.
Refractory lininga bricklike form of insulation used to reflect heat back into the box and protect the structural steel in the boiler, p. 296. Reverse osmosismethod for processing water by forcing it through a membrane through which salts and impurities cannot pass
Steam Boiler | Working principle and Types of Boiler
13 Types of Refractory Materials and Their Applications