PulseGuard Pulsation Dampeners

Fluid Flow Control Animations
PulseGuard Pulsation Dampeners
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PulseGuard Pulsation Dampeners PDFPDF PG 47 & 48 SOG Dimension Tables Printable Version

Pulsation Dampeners with PTFE Diaphragms for Low Pressure

FlexOrber Pulsation Dampener with Teflon or Flexflon Diaphragm

Dual use, stainless FlexOrber LP – SoG with FlexFlon MTFE dampeners with EPDM (EP) or Nitrile (BunaN) backing bonded to virgin PTFE, or "FlexFlon" MTFE. Twin connections are inventory items on 25 Bar items and above, if you do not wish to intercept pressure pulsation by flow through, and have no need to flush before service, then use the extra port for system RV, drain, or gauge.

Pulsation Dampener site - arrow Drawings below

Designed & Manufactured in the USA, to 40 year proven, higher standards, that are also Fail-Safe.
Pressure pulsation is HIGH CYCLIC DUTY. Pressure vessel codes, examples: ASME VIII. PED-EN5500, EU Harmonised Vessel code, are for STATIC PRESSURE VESSELS. Their Present Versions are un-proven for high cyclic duty.
The DESIGN PRESSURES "DP" listed here, allow 10% above MAWP for RV set pressure, plus 15% for RV accumulation. These designs also use 30 % more ductile materials, and lower working stress figures. These, our precautions, have proven for 40 years, to prevent fatigue failure. We reccomend that the DP/1.27= your MAWP, for high cyclic duty.
Accordingly: Our dampeners are 20% safer than ASME VIII "U", 30% safer than "CE"EN13445 & 40% safer than EN5500 dampeners . We accept NO responsibility for safety where the danger of ASME, 5500, "CE" certification is imposed by PED, RSA etc.

Due to the instability of metal prices, please call the factory for pulsation dampener prices.

**ss may be replaced with: A20 for Alloy 20, TIT for Titanium 2, H22 or HC276 for Hastelloy, Tan for Tantalum, etc.
B=BSP//, N=NPT, M=MALE, F=FEMALE, W=37 DEGREES WELD BEVEL, INCH THREAD SIZES ARE UNC, on=PCD, #=ANSI B16.5
Unless otherwise stated, N2 contact parts are 316/316L stainless.
D.P. @200F PSI & D.P. @93C Bar - Using an MDMT of -20 and a low working stress to prevent high cyclic duty, fatigue failure.
Dinension Specifications L in, D in, lbs, Without Fittings - Excludes elbows, flanges, unions, weld-preps, etc.
Call for quantity discount.
Connection Single: for Flow Fluctuation Only - Prevents acceleration head pressure pulse generation, but without any system response interception.

Connections To Pump NPT & To System NPT - Exceptional flow smoothing, pressure pulsation interception, and in place flushing.

See catalog pages 42-51 for more information about low pressure, Dual Use, Stainless with "Flexflon", mptfe dampeners with EPDM/EP or NITRILE/Buna backing bonded to virgin PTFE, or "Flexflon" MPTFE.


SIMPLIFY & GREATLY REDUCE YOUR PIPING INSTALLATION COST, AND HAVE FULL PERFORMANCE FROM YOUR dampener .


Flexorber Low Pressure Lined Pulsation Dampeners: Lined with PVDF, Kynar, Etcetra. System connection block in metal or plastic.

PulseGuard Pulsation Dampeners
Phone: 910-270-2737 • Toll Free: 1-888-DAMPERS (326-7377) • Fax: 910-270-2739
295 Sloop Point Loop Road, Hampstead NC, 28443 USA • Contact Us



Fluid Flow Control Pulsation Dampeners