Parts & Service Additional Information

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Replacement Parts

Replacement parts for belt filter presses, GBTs, and horizontal vacuum belt filters. GSM specializes in OEM replacement parts for presses previously sold as Sernagiotto, SernaTech, Evoqua, Siemens, & USFilter. Additionally, call us for quotes on wash water pumps, feed pumps, conveyor belting, and air compressors.

Parts to fit all belt filter presses and gravity belt thickeners including:

  • Aero-mod®
  • Alfa Laval/Ashbrook®
  • Belmer®
  • Charter Machine Company®
  • Komline-Sanderson®
  • Parkson®
  • Phoenix®
  • Roediger®


Belt Filter Press Rebuild

GSM is proud to offer our customers with an alternative source of replacement parts while standing by our mission to deliver top-tier quality at record speeds and fair prices.

On-site and Off-site Rebuilds include:

  • Roller Replacement: New & Reconditioned
  • Chicane/Plow Retrofit
  • Doctor Blades
  • Belt Replacement
  • Optimized Headbox Design
  • Tracking & Tensioning Systems, Pneumatic or Hydraulic
  • Stainless Steel Wash Boxes
  • Washwater Nozzle Replacement
  • Drive Assemblies
  • Seals & Wear Strips
  • Control Systems – SCADA Ready
  • Polymer Make Down Systems
  • Washwater Pump Rebuilds or Upgrades
  • Feed Pump Rebuilds or Upgrades

Maintenance Contracts

A clean and maintained belt filter press ensures optimal operations and performance. GSM offers maintenance contracts to keep your belt filter press in optimal condition year-round.

  • High-Pressure Cleaning
  • Lubrication Schedules
  • Bearing Inspection & Lubrication
  • Tracking & Tensioning System
  • Roller Coating Inspection
  • Seal & Wear Strip Maintenance
  • Doctor Blade Maintenance
  • Belt Removal & Installation
  • Shower Boxes & Nozzle Inspection & Cleaning


Training and Process Optimization

Keep your operations team up-to-speed on belt press safety, process optimization, operation and maintenance. GSM offers custom hands-on and classroom training for operators, supervisors and managers.

Featured Product: 1.5M Ashbrook Belt Press

1999 Ashbrook Klampress, KP94, 1.5M, Single Drive

Hours: 15,809

Structural Condition:

  • Frame (Galvanized) – Excellent
  • Roller coverings – Excellent
  • Bearings – Good/Excellent


Included Accessories:

  • Original main control panel with PLC logic for Auto Run Sequence, wash water contactor, hydraulic pump contactor, etc. **GSM can provide updated controls with touch screen HMI, modern PLC internals, SCADA-ready for an additional cost upon request.
  • Original remote-control panel with essential push button controls and indicator lights, as well as 4-20mA controllers for belt drive, sludge pump, and polymer pump speeds.
  • Siemens Polyblend polymer make down system. Additional spare parts for this system are available as well.
  • 4-port polymer injection ring and sludge/polymer mixing valve.
  • Square D 480/240VAC Transformer.
  • Original walkway/platform with railings and stairs for easy access to gravity section plows and process viewing.
  • Operators and Maintenance Manuals with as-built drawings.
  • Sold with brand new set of GSM belts.


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