Q. Standard factory formed insulation on Flanges and Valves?
All fittings are to be insulated with standard factory formed insulation. All joints shall be buttered and sealed. Insulation shall be secured with wire loops or bands with not less than four loops or bands per fitting. Insulation shall be covered with standard factory formed metal jacketing.
Flanges, valves and unions shall be insulated with standard factory formed insulation and covered with standard factory formed jacketing.