PulseGuard Pulsation Dampers
PulseGuard: Guarding Against Pulsation
Pump Pulsation Dampers
Fluid Flow Control Animations
Pressure Pulsation

Pulsation Damper Information PDFPDF PG22 Metering Pulsation Damper Part Numbers Printable Version

Pulsation Dampers Sizes - Diaphragm Head Metering Pumps / Connections / Part Numbers

 

Pulsation Damper Size Selection Tables for double layer PTFE diaphragm head Metering Pumps.

The Dampers in these tables are a small selection from 1000 off the shelf inventory items. Be sure to ring Free Phone / call Toll free for the current escalation and discount %ages. Select by connection size to suit your pump for "moderate" dampening. A smaller connection damper will give "course" dampening and a larger damper, with large connection sizes, will give "smooth" dampening.
2. Where there is no occupational health and safety need for in place flush before servicing, nor process requirement for constant temperature, or 1st in 1st out need to control residence time, not even clean before changing liquids, it is still lest expensive to use a standard twin connection damper, & save a "T". Use the other connection for the system drain, relief valve, or branch line. Waveguard and DAMPERS for frequencies above 10Hz., Systems shorter than 300 meters (1000 ft.), must use FLOW-THROUGH feature.

For Pulsation Damper with PTFE Membrane - Low Pressure FlexOrber please see P3 tabulation of LP Dosing pump brochure.

Pulsation Damper Site - Arrow Drawings below

INSTRUCTIONS:
4. Please choose the damper part number from the table , which has the same connection size as your pump.
5. We have made these "pre-engineered" selections for you, on the basis of 40 years experience, and average
application circumstances.
6. Please call us toll-free 1-888-DAMPERS (326-7377) with the part number chosen from the tabulation. We will then
find the current price for you.

Off the shelf inventory -Pulsation Damper with PTFE Diaphragm - FlexOrber- with Ldi"FlexFlon" modified PTFE with secondary containment sealing, double layer diaphragms, & permeation alert port. Discharge system Chock Interception where EPDM, BunaN, Hypalon, Fluoros etc. are NOT compatible.

Not on the shelf inventory - Pulsation Damper with PTFE Diaphragm - FlexOrber+ MeterGuard pipe base.
Liquid in elastomer bladder - Pulsation Damper with Liquid Elastomer Bladder - PipeHugger- N2 in the drive bonnet. For high pressure metering & injection systems compatible with EP/EPDM, Nitrile/Buna, Fluoro etc.
The larger diameter relative to connection sizes ensures efficient pressure pulsation attenuation.
Gas in elastomer bag - Liquid in 316ss Shell
The original 1965, no poppet to jam, one piece molded - no glue or bond gas bag, flow smoother
Tall & slim - low cost construction, but small diameter sacrifices efficient pressure pulse attenuation.

Pulsation Dampers Installed Correctly Increase Performance


Pulsation Damper with Liquid Elastomer Bladder - PipeHugger



 

3. The ratio of cross sectional areas inside the pipes for best pressure stability is 2:5:3:1. Where 2 is a suitable area for constant velocity suction supply, an area of 6 accommodates the peak velocity of the suction stroke. 3 will takes the peak velocity of the discharge stroke, 1 will be ideal for the discharge constant velocity produced but the discharge damper. We have labeled the connections with their correct relative area numbers for your convenience.
4. Where no OSHA requirement for in place flush before service, nor process need for 1st in 1st out, constant temperature, change of liquid pumped, interception of pressure pulsation, or preventing sedimentation; use second connection to save a "T" for RV. PI, or System Drain. 2 connection dampers are standard lowest cost.

PUMPS make FLOW, SYSTEMS cause PRESSURE, pressure pulsation is a system response, AND a system responsibility NOT a pump manufacturers liability.

 



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