pump grump

The ‘Pump Grump’ Plastic Pressure Gauge & Isolator Dampener


  • All Plastic Plastic (Gauge + Isolator) Filled
  • Heavy Duty Design; Simple to Install
  • Completely Corrosion Resistant
  • Red Markers Designed to Indicate Optimum Operating Range
  • Extra Large Colored Display
  • Reduces Pressure Surges caused by Water Hammer or Metering Pump Pulsations
  • Highest Accuracy “In the” Industry 1.5%
  • Factory Prefilled-Glycerin or Silicone
  • No Filling Required
  • One-Piece Molded Design (No Assembly)
  • Suitable for Corrosive Media + Slurries


Product Description

Pulse and Surge Suppressor Perfect for Metering Pumps




Dial diameter Large 2½” (Big Numbers-Clear Markers)
Mounting Direct Mount, Bottom Connection FNPT ½”
Housing One Piece Molded Design Polypro
(No Assembly or Filling Required)
Lens Options: Tough Impact glass
Dial Red/Black Scale White Background, dial arc 270°
Measuring Principle Bourdon Tube-SS316 (Non Wetted)
Diaphragm (wetted part) – FPM (Standard)
Movement SS316 (Non Wetted)
Gauge Two (2) Red Adjustable Plastic Markers-Pressure Range Pointers fitted on the Bezel
Connection Female thread 1/2″ NPT
Filling Options: Glycerin or Silicon Filled
Accuracy ±1.5% F.S.
Operating temperature Max. Working Temp. +80°C
Pressure Range Standard range 0-30 / 0-60 / 0-160 PSI (Second Scale: Bar) Other units available, e.g., bar, MPa, etc.

Pump Grump Data Sheet

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