PulseGuard Ltd. and Inc.
PulseGuard Ltd. offers pulsation dampers | Please phone 44(0) 161-480-9625
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To enable for you to receive exactly what you need, please read our definition of SMOOTHNESS & CLEANESS:


SURFACE PREPARATIONS - options that affect cost and speed of availability

180 GRIT/BEAD BLAST = 85 micro inch c.l.a. + PASTE HONED = improved to 32 micro-inch
+ ELECTRO POLISH = 20 micro-inch c.l.a. + SMOOTH = 500 grit 16 micro-inch c.l.a. + POLISHED = 8 micro-inch c.l.a. + CREVICE FREE of any indentation greater than 0.0005" deep & less than 0.00075 wide + SUPER PURE = from 316L special low sulfur material, subject to all prior treatments plus passivation + ULTRA PURE = all above plus - from vacuum re-melt sulphur removal with 0.005% max hydrogen flash gold plated acetate wafer finger print electron beam surface test, 30-40 Angstrome chrome oxide layer, 2:1 chrome to iron, "outgassed" & 18 megohm test of demonized water flushant, dried with 99.999% pure hot N2, etc.


IN PLACE CLEANABILITY - Your procedures that can determine product type.

FLUSH In PLACE "FIP", CLEAN In PLACE "CIP", STERILIZATION In PLACE "SIP", HYGIENIC IN PLACE "HIP". Please choose the most appropriate, from what you wish to achieve. Please state for all - flushants, biocides, sterilizing agents, & post sterilizing washes: Their generic names, and the pressure, temperature, flow velocity, & duration. Please provide a copy of the test procedure, for checking the effectiveness of the above process.


These options impact both cost and lead time availability. If you require definiton please call 1-888-DAMPERS

The PipeHugger BLTD
With F&D Nitrile/"Buna" F&D EP/"Nordel",
Four minutes down time, to release and replace
the PIPEHUGGER damper capsule from the
tubing system.
Your process liquid flows through he bladder,
which is constantly flexing, shaking its surfaces
free of any settlings or sediment. Use -apple, citrus juice, & wine.

SIZES:- 0.15 Liter / 10 in3 to 2500 in3 / 40 Liter
Connections:- Upto 7, 1/2" / 12mm tubing,
through 10" / 250mm

BLTD flushable (least clean) damper

Low Pressure Flexorber

When your liquid has high clinging power you may specify virgin PTFE, and flow through constant agitation, FLEXORBER.
From Cocoa butter, bio-eng. to special RO.

SIZES:- 25 ml.-16 Liter, 1.5 in3 to 1,000 in3
Connections:- TriClover/ CB, or IDF etc. 3 max., upto 4" tubing (100mm)


LP flexorber more flushable (less clean) damper

The TubeGuard

Printable Dimensional Drawing
When your hot Lye, dilute Nitric, and flush cycles are below process pressure, the diaphragm must not be driven down by
the cushion pre-fill set pressure.
Transfer fluid volume is set, so diaphragm can not mask, the surfaces to be cleaned.

SIZES:- 0.25 Liter 15 in3 to 1,000 in3, 16 Liter
Flexflon, PTFE, or EIDP Teflon and Elastomer versions available.
Note: These are not "on the shelf" Inventory items.


Tubeguard cleanable damper
Printable Dimensional Drawing

The HPLCguard

C.I.P. - Widely spaced inlet and outlet plus small entrained volume + smooth virgin PTFE ensure full scouring at high velocity.
Use, High Pressure Liquid Chromatography

SIZES: 0.13 to 2.5 Liter, 8 to 150 in3


HPLC cleanable in place


Can be F.I.P., C.I.P., H.I.P., or S.I.P. (see above for abbr. explanation) at below process pressure depending on :- VELOCITY DURATION And FLUSHANT.

HPLC most clean damper

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Suction Systems
Typical for Suction Systems With PermaCushion foam fill.

pumpguard with permacushion foam fill
"Qwik Klamp" up to 12" only, and very low pressure
"qwik klamps" low pressure and up to 12"
Qwik Klamp types:
CB, Cherry Burrell SP, SanPro Kynar
SPI, Valex, Stainless Producs Inc CA. TC, Tri-Clover
CONNECTIONS "O" ring and screwed nut types

DIN, 11850/1 Unions

DSU, Danish Std.

IDF, ISO 2583, BS 4825

ILC, inLine Cleaning

RJT, Recess Joint BS 1846

SSR, Sepra Systems / FMC Calif Hose & Fittings Co.

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WARNING Pulse Dampers may be engergy sotring, Proceed with EXTREME CARE
* THE PIPEHUGGER Bolted configuration
The bolted damper capsule body also speeds & simplifies dissassemble compared to the tamperproof segmental lock ring standard.
parts identification of pipehugger bolted configuration

parts identification of pipehugger bolted configuration

parts identification of pipehugger bolted configuration
schematic of D detailed explaination

1 - Release the DAMPER CAPSULE A from the MOUNTING BLOCK B piping base by removing bolts C (NB. Not stressed for pipe loadings) NEVER RESTRAIN THE DAMPER CAPSULE

2 - Open Cushion Pre-Fill Valve9019c, pt. D (see schematic) by removing the yellow sealing cap, and turning the 3/4" AF swivel nut. When all pre-fill pressure is realsed, unscrew the valve body and set carefully aside.

3 - Without scratching the sealing for Valve D stand capsule on dome end E. Remove all of 4, 8, or 12 bolts F

4 - Using Jacking bolts G lift base plate H out of dome E.

5 - Place base plate on a smooth clean surface so as not to damage sealing surface M. Remove bladder J and "O" seal, K, place them in a plastic bag, seal the bag, & return it to factory immediately.

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Return to the beginning of PulseGuard, pulsation dampeners

Selecting Pulsation Dampeners for Different Pump Systems.
Flow through pulsation dampers are at least 3 times more efficient than T off line accumulators.
Dampeners that do, flow goes through, but pressure pulsation does not.
PulseGuard Pulsation DampersThe Smooth Flow People

Call Toll Free 1-888-DAMPERS (326-7377) / See also: Pulsation-Dampeners.com for a pulsation dampener.

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