NIGP Codes

NIGP Class and Class Item Codes identify the scope(s) of work as defined by the National Institute of Governmental Procurements. This five-digit code establishes and defines the detailed scope(s) of work for the contract. The first three digits of the NIGP code represents the Class or broad category of the work to be performed, and the second two digits of the NIGP code identify a more specific focus of work within the Class category.

Items for NIGP Class 820

Full Class List > 820: Steam and Hot Water Boilers and Steam Heating Equipment

Code	Description
820-04	After-Coolers and Condensers
820-05	Air Dryers, Dehydrators, and Preheaters
820-06	A.S.M.E. Code Tanks
820-08	Boilers, High Pressure
820-12	Boilers, Low Pressure
820-14	Boiler Parts and Accessories (Not Otherwise Classified)
820-16	Boiler Tubes
820-19	Blow-Down Equipment, Automatic Top
820-20	Blow-Off Basins
820-24	Blow-Off Valves
820-28	Burners, Gas and Oil
820-32	Chemical Feed Systems (See Class 720 For Proportioning Pumps)
820-36	Coils, Steam Heating
820-38	Condensate Return Systems: Vacuum Heat Pumps, Wet Vacuum Pumps, etc.
820-40	Controls: Combustion, Fuel Cut-Off, Hardness, High-Low Water Level, Ignition, etc.
820-41	Control, Corrosion, Using Entrained Gas Eliminator Equipment
820-42	Controllers, Steam Boiler Automatic Conductivity
820-44	Convectors and Radiators
820-48	Deaerating Units
820-49	Descaling Equipment, MHD Type
820-52	Draft Fans and Draft Gauges
820-56	Feedwater Heaters
820-60	Feedwater Injectors
820-62	Feedwater Pumps
820-64	Filters, Boiler Water
820-65	Flue Gas Desulfurization System Equipment
820-66	Flue Gas Heat Recovery System Equipment
820-68	Heat Exchangers, Accessories, and Parts
820-72	Hot Water Generators
820-75	Oil Coolers
820-76	Oil Purifiers
820-78	Oxygen Reduction Equipment, Dissolved
820-80	Pulverizers, Boiler and Power Plant
820-81	Screens and Strainers, Water Intake, etc.
820-84	Stacks, Steel
820-85	Steam Boiler Bottom Blow Alarm
820-86	Steam Flow Transmitters
820-88	Tube Cleaners and Tube Expanders
820-91	Turbines, Gas Driven
820-92	Turbines, Steam Driven
820-93	Turbines, Water, Hydraulic, Including Pats and Accessories
820-95	Valves, Spherical
820-96	Recycled Steam and Hot Water Boilers and Heating Equipment