The Duravant family of operating companies serve the food processing, packaging and material handling segments.

NEW OptiServ 340 Vacuum Stuffer & Pump

  • Key Specs
  • Features
  • Accessories
  • Technical Info
  • Piston Diameter:
    8 9/16-in (217 mm)
  • Piston Stroke:
    14-in (355.6 mm)
  • Maximum Capacity (wt.):
    34,000 lbs/hr (15,422 kg/hr)
  • Maximum Capacity (vol):
    68 gpm (257 lpm)
  • Product Outlet:
    4-in (102 mm)
  • Max Product Pressure:
    125 PSI
  • Machine Weight:
    3,565 lbs (1,617 kg)
  • Highest vacuum level in the industry (<4 TORR) for maximum removal of entrapped air
  • Product throughput up to 34,000 lbs (15,422 kg) per hour at 125 PSI
  • Selectable modes of operation: Constant pressure (surge free continuous flow) or speed control, both with superior portion accuracy
  • Engineered with regenerative servo drives for maximum efficiency and over 40% reduction in energy over hydraulic models
  • Energy-efficient air cooled system – no water required
  • Best-in-class “customer inspired” hygienic design
  • Featuring no-leak, patent pending sealed electrical box with multiple sanitary features
  • Improved ergnomic design for quick, no tool 3-minute assembly/disassembly and optimal operator safety
  • Smart, highly intuitive icon based HMI, making operation extremely user-friendly for multi-lingual workforces
  • Designed with significantly less replacement and wear parts for best value, increased uptime, and lower total cost of ownership
  • Product guides available in various styles to match application needs
  • Nearly silent operation
  • CE version available

Your Expert Partner

Doug Vogelsmeier Product Sales Manager - Pumping & Portioning Send Email →

Product Description

With the pumping process powered entirely by servo motor technology, the new OptiServ series pumps deliver exemplary high quality output while dramatically reducing the complexity and cost of operating at peak performance levels. With unmatched product quality and appearance the industry has come to expect from Marlen, the OptiServ series is designed to lower total cost of ownership and deliver significant savings.


  • OptiServ 340 Pump Spec Sheet Download →
  • Case Study: OptiServ 340 Vacuum Stuffing & Pumping System for Deli Automation Download →


  • Introduction to OptiServ 340 Vacuum Stuffing & Pumping System Watch →
  • OptiServ 340 Vacuum Stuffing & Pumping System Overview/Demo Watch →