D
Duff Co.
Norristown, PA 19404
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Our Story
Our main lines of business include: Environmental Prods.--Clean-Up, Plumbing Fixtures & Supplies, Pumps--Municipal & Industrial, Water Pollution Control.
Duff Co. has been listed in the Blue Book since 1981.
What We Do
- Environmental Prods.--Clean-Up
- Plumbing Fixtures & Supplies
- Pumps--Municipal & Industrial
- Water Pollution Control
Regions & Counties Serviced
- Pennsylvania-Eastern
Pennsylvania 1
- Montgomery
Our CSI Codes
01 66 13 - Product Storage and Handling Requirements for Hazardous Materials
01 66 16 - Product Storage and Handling Requirements for Toxic Materials
10 32 26 - Fireplace Water Heaters
22 05 13 - Common Motor Requirements for Plumbing Equipment
22 06 30 - Schedules for Plumbing Equipment
22 06 40 - Schedules for Plumbing Fixtures
22 06 40.13 - Plumbing Fixture Schedule
22 09 00.00.01 - Instrumentation and Control for Plumbing
22 11 16 - Domestic Water Piping
22 11 19 - Domestic Water Piping Specialties
22 11 23 - Domestic Water Pumps
22 11 23.13 - Domestic-Water Packaged Booster Pumps
22 11 23.23 - Close-Coupled, In-Line, Sealless Centrifugal Domestic-Water Pumps
22 11 23.26 - Close-Coupled, Horizontally Mounted, In-Line Centrifugal Domestic-Water Pumps
22 11 23.29 - Close-Coupled, Vertically Mounted, In-Line Centrifugal Domestic-Water Pumps
22 11 23.33 - Separately Coupled, In-Line Centrifugal Domestic-Water Pumps
22 11 23.36 - Separately Coupled, Horizontally Mounted, In-Line Centrifugal Domestic-Water Pumps
22 13 19.23 - Fats, Oils, and Grease Disposal Systems
22 13 19.26 - Grease Removal Devices
22 13 29 - Sanitary Sewerage Pumps
22 13 29.13 - Wet-Pit-Mounted, Vertical Sewerage Pumps
22 13 29.16 - Submersible Sewerage Pumps
22 13 29.23 - Sewerage Pump Reverse-Flow Assemblies
22 13 33 - Packaged, Submersible Sewerage Pump Units
22 14 19 - Sump Pump Discharge Piping
22 14 29 - Sump Pumps
22 14 29.13 - Wet-Pit-Mounted, Vertical Sump Pumps
22 14 29.16 - Submersible Sump Pumps
22 14 36 - Packaged, Submersible, Drainage Pump Units
22 30 00.00.01 - Plumbing Equipment
22 33 13 - Instantaneous Electric Domestic Water Heaters
22 33 13.13 - Flow-Control, Instantaneous Electric Domestic Water Heaters
22 33 13.16 - Thermostat-Control, Instantaneous Electric Domestic Water Heaters
22 33 30 - Residential, Electric Domestic Water Heaters
22 33 30.13 - Residential, Small-Capacity Electric Domestic Water Heaters
22 33 30.16 - Residential, Storage Electric Domestic Water Heaters
22 33 30.23 - Residential, Collector-to-Tank, Solar-Electric Domestic Water Heaters
22 33 30.26 - Residential, Collector-to-Tank, Heat-Exchanger-Coil, Solar-Electric Domestic Water Heaters
22 33 33 - Light-Commercial Electric Domestic Water Heaters
22 33 36 - Commercial Domestic Water Electric Booster Heaters
22 33 36.13 - Commercial Domestic Water Electric Booster Heaters
22 33 36.16 - Commercial Storage Electric Domestic Water Heaters
22 34 13 - Instantaneous, Tankless, Gas Domestic Water Heaters
22 34 30 - Residential Gas Domestic Water Heaters
22 34 30.13 - Residential, Atmospheric, Gas Domestic Water Heaters
22 34 30.16 - Residential, Direct-Vent, Gas Domestic Water Heaters
22 34 30.19 - Residential, Power-Vent, Gas Domestic Water Heaters
22 34 36 - Commercial Gas Domestic Water Heaters
22 34 36.13 - Commercial, Atmospheric, Gas Domestic Water Heaters
22 34 36.23 - Commercial, High-Efficiency, Gas Domestic Water Heaters
22 34 46 - Oil-Fired Domestic Water Heaters
22 34 46.13 - Large-Capacity, Oil-Fired Domestic Water Heaters
22 34 56 - Dual-Fuel-Fired Domestic Water Heaters
22 35 13 - Instantaneous Domestic Water Heat Exchangers
22 35 13.13 - Heating-Fluid-in-Coil, Instantaneous Domestic Water Heat Exchangers
22 35 13.16 - Domestic-Water-in-Coil, Instantaneous Domestic Water Heat Exchangers
22 35 13.19 - Heating-Fluid-in-U-Tube-Coil, Instantaneous Domestic Water Heat Exchangers
22 35 23 - Circulating, Domestic Water Heat Exchangers
22 35 23.13 - Circulating, Compact Domestic Water Heat Exchangers
22 35 23.16 - Circulating, Storage Domestic Water Heat Exchangers
22 35 29 - Noncirculating, Domestic Water Heat Exchangers
22 35 29.13 - Noncirculating, Compact Domestic Water Heat Exchangers
22 35 29.16 - Noncirculating, Storage Domestic Water Heat Exchangers
22 35 36 - Domestic Water Brazed-Plate Heat Exchangers
22 35 39 - Domestic Water Frame-and-Plate Heat Exchangers
22 35 43 - Domestic Water Heat Reclaimers
22 40 00.00.01 - Plumbing Fixtures
22 41 13 - Residential Water Closets, Urinals, and Bidets
22 41 16 - Residential Lavatories and Sinks
22 41 19 - Residential Bathtubs
22 41 23 - Residential Shower Receptors and Basins
22 41 26 - Residential Disposers
22 41 36 - Residential Laundry Trays
22 41 39 - Residential Faucets, Supplies, and Trim
22 42 13 - Commercial Water Closets, Urinals, and Bidets
22 42 16 - Commercial Lavatories and Sinks
22 42 19 - Commercial Bathtubs
22 42 23 - Commercial Shower Receptors and Basins
22 42 26 - Commercial Disposers
22 42 29 - Shampoo Bowls
22 42 33 - Wash Fountains
22 42 36 - Commercial Laundry Trays
22 42 39 - Commercial Faucets, Supplies, and Trim
22 42 43 - Flushometers
22 43 13 - Healthcare Water Closets
22 43 16 - Healthcare Sinks
22 43 19 - Healthcare Bathtubs and Showers
22 43 23 - Healthcare Shower Receptors and Basins
22 43 39 - Healthcare Faucets
22 43 43 - Healthcare Plumbing Fixture Flushometers
22 45 26 - Eye/Face Wash Equipment
22 45 29 - Hand-Held Emergency Drench Hoses
22 45 33 - Combination Emergency Fixture Units
22 45 36 - Emergency Fixture Water-Tempering Equipment
22 46 13 - Security Water Closets and Urinals
22 46 16 - Security Lavatories and Sinks
22 46 39 - Security Faucets, Supplies, and Trim
22 46 43 - Security Plumbing Fixture Flushometers
22 46 53 - Security Plumbing Fixture Supports
23 06 20.13 - Hydronic Pump Schedule
23 12 13 - Facility Fuel-Oil Pumps
23 21 23 - Hydronic Pumps
23 21 23.13 - In-Line Centrifugal Hydronic Pumps
23 21 23.16 - Base-Mounted, Centrifugal Hydronic Pumps
23 21 23.19 - Vertical-Mounted, Double-Suction Centrifugal Hydronic Pumps
23 21 23.23 - Vertical-Turbine Hydronic Pumps
23 21 29 - Automatic Condensate Pump Units
23 22 23 - Steam Condensate Pumps
23 22 23.13 - Electric-Driven Steam Condensate Pumps
23 22 23.23 - Pressure-Powered Steam Condensate Pumps
23 53 13 - Boiler Feedwater Pumps
25 34 00.00.01 - Integrated Automation Instrumentation and Terminal Devices for Plumbing
25 54 00.00.01 - Integrated Automation Control of Plumbing
25 94 00.00.01 - Integrated Automation Control Sequences for Plumbing
33 45 00.00.01 - Storm Utility Drainage Pumps
33 52 13.23 - Fuel-Oil Pumps
33 52 19.23 - Diesel Fuel Pumps
40 16 56 - High-Purity Gas Piping Components
40 92 29 - Current-To-Pressure Converters
40 92 33 - Self-Contained Flow Controllers
40 92 36 - Linear Actuators and Positioners
40 92 43 - Rotary Actuators
40 92 53 - Voltage-To-Pressure Converters
42 23 13 - Process Condensers
43 11 26 - Gas Handling Jet Pumps
43 11 29 - Gas Handling Vacuum Pumps
43 20 00.00.01 - Liquid Handling Equipment
43 21 13 - Centrifugal Liquid Pumps
43 21 16 - Diaphragm Liquid Pumps
43 21 19 - Dispensing Liquid Pumps
43 21 23 - Drum Liquid Pumps
43 21 26 - Gear Liquid Pumps
43 21 29 - Metering Liquid Pumps
43 21 33 - Piston/Plunger Liquid Pumps
43 21 36 - Positive Displacement Liquid Pumps
43 21 39 - Submersible Liquid Pumps
43 21 43 - Sump Liquid Pumps
43 21 46 - Vane Liquid Pumps
43 22 29 - Drum Handling Liquid Process Equipment
43 22 43.16 - Media Liquid Filters
43 30 00.00.01 - Gas and Liquid Purification Equipment
43 31 13 - Gas and Liquid Purification Filters
43 31 13.13 - Activated Carbon-Gas and Liquid Purification Filters
43 31 13.19 - High-Purity Cartridge Gas and Liquid Purification Filters
43 31 13.23 - Membrane Diaphragm Gas and Liquid Purification Filters
43 31 13.26 - Multimedia Gas and Liquid Purification Filters
43 31 13.29 - Pretreatment Cartridge Gas and Liquid Purification Filters
43 32 59 - Gas and Liquid Purification Scrubbers
44 01 40 - Operation and Maintenance of Water Treatment Equipment
44 42 13 - Aeration Water Treatment Equipment
44 42 16 - American Petroleum Institute Separators
44 42 19 - Water Treatment Blowers
44 42 23 - Water Treatment Clarifiers
44 42 29 - Water Treatment Compressors
44 42 33 - Water Treatment Digesters
44 42 36 - Water Treatment Dissolved Air Flotation Equipment
44 42 39 - Water Treatment Grit Collectors
44 42 43 - Water Treatment Induced Air Flotation Equipment
44 42 46 - Water Treatment Mixers
44 42 49 - Water Treatment Oil/Grease Interceptors
44 42 53 - Water Treatment Oil/Water Separators
44 42 56 - Water Treatment Pumps
44 42 63 - Water Treatment Sediment Removal Equipment
44 42 66 - Water Treatment Skimmers
44 42 73 - Water Treatment Tanks/Tank Liners
44 43 13.13 - Bag Water Filters
44 43 13.16 - Cartridge Water Filters
44 43 13.19 - Fabric Water Filters
44 43 13.23 - Multimedia Water Filters
44 43 13.26 - Packaged Water Filters
44 43 23 - Water Filter Presses
44 43 26 - Rotary-Drum Water Filtration Equipment
44 43 33 - Water Filtration Screens
44 43 36 - Vacuum Water Filtration Equipment
44 44 16 - Water Chlorinators
44 44 26 - Dissolved-Solids Water Treatment Equipment
44 44 43 - Water Heavy Metals Treatment Equipment
44 44 59 - Water pH Adjustment Equipment
44 44 63 - Water Polymers Equipment
44 44 66 - Water Precipitators
44 44 73 - Water Ultraviolet Radiation Equipment
44 45 16 - Water Bubble Membrane Diffusers
44 46 13 - Sludge Conveyors
