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• Dampener Drawings and Animations
  • Flow Through Flexible Elastomer Tube
  • HP System Liquid in Elastomer Membrane
  • LP System Liquid in Elastomer Membrane
  • Precharge Gas in Elastomer Bladder
  • High Pressure FlexFlon PTFE Diaphragm
  • Low Pressure FlexFlon PTFE Diaphragm
• Pulsation Dampeners
  • PTFE Diaphragm / Teflon Membrane Types
    • AODD Pump Dampeners with Plastomer Diaphragm
    • Diaphragm Metering Pump Dampeners with Plastomer Diaphragm
    • Hose Pump Dampeners with Plastomer Diaphragm
    • Lobe Pump Dampeners with Plastomer Diaphragm
    • Low Pressure Dosing Pump Dampeners with Plastomer Diaphragm
    • Multi Diaphragm Metering Pump Dampeners with Plastomer Diaphragm
    • Packed Plunger Pump Dampeners with Plastomer Diaphragm
    • Progressive Cavity Pump Dampeners with Plastomer Diaphragm
    • Vane Pump Dampeners with Plastomer Diaphragm
  • Elastomer Bladder / Flex-Tube Types
    • Flex-Tube - Acceleration Head and Interception Type
    • Nitrogen Gas in Elastomer Bladder Type
    • System / Process Liquid in Elastomer Bladder Type
  • Acoustic / No Moving Parts Types
    • Frequency Reduction Type
    • Phase Change Type
    • Pulse Dispersal Type
    • Pulse Intensification then Dissipation Type
• Pulse Dampening, Safety, Applications
  • Snubbing, Surge Suppressors, and Shock Absorbing
    • Flow Fluctuation / Suction Systems - Pressure Pulsation / Supply Lines
    • Pressure Pulsation Pulse Signatures
    • Pressure Pulsation Dampeners for Transients and their Interception
    • Pulsation Dampeners for Amplitude of Pressure Wave Spikes
    • Pulsation Dampeners and Pump Vendor Responsibilities
    • Acceleration Head / Pressure that a System Could Create
    • Dampener Flow Smoothness Requirements
  • Pressure Pulsation Dampener Safety
    • Checking Dampener Pressure Rating Safety
    • Checking Required Pulsation Dampener Performance
    • Pre-Filling Dampeners with Nitrogen Cushion Gas
    • Pre-Filling Pulsation Dampeners at Elevated Pressures
    • Pre-Filling Pulsation Dampeners with Pin Core Valves
    • Safe Levels of Pulsation for Preventing Fatigue
    • Dampener Safety and Gas Overload Protection
    • Pulsation Dampener Safety and Liquids
    • Pulsation Dampener Safety and Piping
    • Pre-Filling Pulsation Dampeners with Strut Valves
  • Pulsation Dampener Applications
    • Shock Alleviation / Multi-Head Interaction
    • Double Layer, 2 Sheet PTFE, Diaphragm Metering
    • Flow Fluctuation Smoothing
    • Suction Problems with High Pressure Systems
    • Packed Plunger / Piston Pumps
    • Packed Plunger / Piston Pumps 2
    • Peristaltic and Tube or Hose Pumps
    • Plastic / A.O.D.D. Pump Systems
    • Pressure Pulse Dampening
    • Test and Injection Systems
• Dampeners by Pump

Safe Levels of Pulsation for Preventing Fatigue

AT A MINIMUM - CHECK BELOW, THAT SYSTEM PIPE A.H., + PIPE FRICTION, + LACK OF "OVERLAP" FROM SYSTEM LIQUID COMPRESSIBILITY; IS NOT PRODUCING GREATER SYSTEM PRESSURE PULSATION THAN ALLOWED, TO PREVENT PIPE SHAKE FATIGUE FRACTURE (Per API 674 etc. below). WHEN YOUR SYSTEM PIPE AND FITTINGS PLUS LIQUID cP, SG AND COMPRESSIBILITY PULSATION, HAS BEEN CHECKED AGAINST THE ABOVE NOMOGRAM - PLEASE REVIEW THE PAGE CALLED "CHECKING REQUIRED PERFORMANCE".

Safe Levels of Pulsation for Preventing Fatigue PDF