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TESCOM™ Anderson Greenwood Instrumentation Model M4A/M4T Differential Pressure Manifolds
Differential pressure manifolds with two main block valves and an equalizing valve for direct or remote mounting at pressures to 6000 psig (414 barg)


  • Cost savings of 20-30% when unitizing the manifolding by eliminating several parts used in conventional methods of ‘piping up’.
  • Roddable soft seats simplify maintenance and ensure accuracy.
  • Back seat stem design eliminates stem blowout or accidental removal while in operation.
  • Fewer leak points reduce the chances of leakage.
  • Soft seat design enables field replacement without valve removal.
  • Rolled stem threads provide a stronger, more durable thread area, increasing valve life.
  • Mirror stem finish in the packing area ensures smooth operation and extends packing life.
  • Constant compression metal-to-metal bonnet-to-body seal below bonnet threads prevents corrosion, eliminates tensile breakage and creates a reliable seal point.
  • Easily adjustable stem packing decreases downtime and provides long service life.
  • PTFE-packed design’s bonnet cap protects against atmospheric contamination; reduces thread galling by containment of stem lubricant and increases valve life.
  • AGCO Mount option provides installation and service benefits.