Q. Insulation on Flanges and Valves?
Valves, flanges, and unions shall not normally be insulated unless specified by OWNER. All other fittings are to be insulated.
Fittings shall be insulated with standard factory formed insulation and secured with wire loops or bands, minimum two per section. All joints shall be filled with insulating cement or glass fibre as appropriate. Insulation shall be covered with factory formed standard metal jacketing.
Insulation and jacketing on valves flanges and unions shall be installed so as to be removable without damage to the main pipe insulation.