GravFlex Carbon Filters

Graver’s Flex Carbon Filters have proven their ability to meet any water filtration problem efficiently and economically in a wide range of commercial and industrial plants. Available in any convenient size, and with valve arrangements and control options to meet any custom or special requirements, GravFlex Carbon Filters are easily modified to hold any common adsorption, specialty resin or metal reactive media for waste treatment and remediation applications.

Typical Applications

  • Organics Adsporption
  • Reverse Osmosis Pretreatment
  • Chloramine Removal
  • Chlorine Removal
  • Heavy Metals Removal (using Graver MetSorb®) such as Arsenic, Lead, Zinc, Mercury, Uranium, and Copper

Standard Features

  • Filtration Media: 12×40 Mesh Granular Activated Carbon, Acid Washed, Coal Based
  • Vessel:
    • Internal Finish: Blast SP5, NSF Epoxy Lining 10-16 MILS DFT
    • External Finish: Blast SP6, Tnemec N69F – Safety Blue
    • ASME Designed and Commercially Rated 100psig/120°F
    • Side and Top Manways (Handways 24”-36” Diameter)
    • Structural Steel Leg with Pads, Lifting Lugs, Strap Legs (24”-36” Diameter)
  • Distribution:
    • Splash Plate Upper Distributor
    • Hub and Radial Lower Collector (24”-36” Diameter) with Wellscreen Over Radials
    • Header Lateral Lower Collector (42”-120” Diameter) with Wellscreen Over Laterals
  • Valves:
    • Resilient Seat Butterfly Valves with Pneumatic Actuators, EPDM Seats, SST Disc/Stem
    • Backwash Flow Control – Limit Open Stops
  • Instruments: Inlet/Outlet Pressure Gauges
  • Controls: 110V/60Hz/1PH Local Solenoid Enclosure, NEMA 4

Available Options

  • Ratings: ASME Code, Seismic Anchoring, ASME B31.1 Face Pipe, NEMA 4X, CRN
  • Process: Separate Source Backwash, Additional Sideshell up to 96” for added carbon volume, Media Transfer Ports
  • Internals: 316 SS Upper and Lower Distribution Systems
  • Pipe: 316 SS Face Pipe (Standard on 96”-120” Diameter)
  • Media: Catalytic Carbon, Coconut Shell Carbon (Recommended for RO Applications)
  • Valves: ASME Pressure Relief (Thermal), Limit Switches, Auto Backwash Flow Orifice Available 24”-72” Diameter
  • Instruments: Bi-directional MAG Meter, Differential Pressure Transmitter, Chlorine Meter
  • Controls: PLC, HMI, NEMA 4X, UL, cUL

Photo Gallery

GravFlex Carbon Filters

Graver’s Flex Carbon Filters have proven their ability to meet any water filtration problem efficiently and economically  in a wide range of commercial and industrial plants.  GravFlex Filters are available in any convenient size, and with valve arrangements to meet any custom or special requirements.

Typical Applications

  • Clarifier Effluent Polishing
  • Dechlorination and Organics Removal
  • Cooling Tower Sidestream Filtration
  • Reverse Osmosis Pretreatment

Standard Features

  • 110V/60Hz/1PH Controller
  • FRP or Steel Epoxy-Coated Tanks
  • Steel Tanks:
    • Internal Finish: Chemical Etch, Polyethylene Lined
    • External Finish: Commercial Blast, Tnemec N69F – Safety Blue
    • Schedule 80 PVC Upper and Lower Distribution Systems
    • Four strap legs

Available Options

  • 316 SS Tanks
  • 316 SS Upper and Lower Distribution Systems
  • ASME Code

Photo Gallery