Pipe Shock Guard
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ShockGuard offers shock alleviators and surge alleviators. | Please phone 44(0) 161-480-9625
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International Information Shock Alleviators Pulsationsdaempfer Surge Alleviators

Shock, Surge, and Water Hammer Other Devices that address surge shock and water hammer 316L Stainless Steel Air N2 Nitrogen Process Liquid Carbon Steel Elastomer Cold Forged PVC or Polypropelyne Liquid in bladder Air in huge sacks Flow-thru flex-tube Nitrogen in gas bag PTFE - Flexflon diaphragm and 316 stainless steel shell No diaphragm, no bladders, all metal parts flow through rolling bladder no moving parts metal membrane Shock Suppressor Shock Preventor Shock Alleviater Shock Preventer Shock Arrester Shock Absorber Shock Alleviator Shock Suppresser Shock Attenuater Shock Attenuator Surge Alleviators

Surge arresters for systems that are compatible with elsatomers and plastics

Installing plastic shock arresters

Absorbing the shock and water hammer from rapid valve shut off

Shock / Surge Arresters

Surge Arresters arrest the SHOCK from fast motor spin-up of rotary pumps, when
a controlled throttle, returning to inlet, is not in circuit.

SHOCK arresters arrest fluctuating flow gradually, preventing hammer,
by progressively arresting the liquid; IE over more time.

SHOCK arresters often used in thermal compensation, so that there is a place
for some volume to come from and go to, when the capacity variation occurs.

SHOCK arresters for evening out the SHOCK when your pumps are switched on,
these arresters of SHOCK are connected close after pump outlet check valve.

SHOCK arresters for arresting a SHOCK in piping with modulating fluid,
work by cushioning the mass oscillation to stabilize the reciprocation.

SHOCK arresters stop spiky peaks valve slam, quickly stopping liquid movement,
are of greatest effect, put on a Tee in front of the slamming block.

SHOCK arresters damping system over-pressure during quick start-up,
by being in place of flow back bypasses, that generally return the start-up
SHOCK to source.

SHOCK arresters attenuate hammer from reverse flow on sudden shut-down,
by being providing resistances to the quantity of fluid coming back.

Fast pump start up, with less surge and pipeline shock

Shock Arrester

SHOCK arrester damps system peak pressures whilst quickly starting-up,
when placed instead of a back flow bypass, which would be returning the
instantaneous excess.

SHOCK arrester minimize pressure disturbances from quick valve closure, safety
shut-down are of greatest effect, sitting on a Tee before the slammer.

SHOCK arrester absorbs water hammer from reverse flow instantly checked,
by increasing compressed gas or air cushioned resistances, to the returning
quantity of fluid.

SHOCK arrester stops the SHOCK from pump motor spin-up and pipe shake,
when there is no controlled throttle returning to inlet, available.

SHOCK arrester alleviates fluctuating flow gradually, reducing water hammer,
by progressively slowing the liquid; EX, SHOCK level is reduced by a time
increase .

SHOCK arrester devices applied for compensating liquid expansion by
temperature , so that there is a place for some to go into, when system
literage / gallonage increases.

SHOCK arrester for suppressing a flow SHOCK in pipe that is being shaken,
stops the vibration by de-tuning the nodes, softness lowers the frequency.

SHOCK arrester for SHOCK prevention when pumps are switched on suddenly,
an arrester of surges is placed close to the outlet of the pump .

Sudden pump shut down and no "bang" from the back flow implosion

request for quotation

pulsation dampeners, hydraulic accumulators, pulsation analysis Sites that provide: dampers, accumulators, and system analysis. Hydraulic Accumulators Flow Fuses, and Breather Bags Surge Alleviators Chemical Smooth Flow Pulsation Analysis Pulsation Dampeners Hydraulic Accumulators Pulsation Analysis Flow Fuses, and Breather Bags Surge Alleviators Pulsation Dampeners

Shock arresters reduce the chances of pipe fatigue fracture



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Surge Arresters / Pipeline Water Hammer | Contact Information

absorbing the hammer from rapid valve shut off provide a soft volume for the flow to go into, so that time is increased is which deceleration can occur air or N2 pad, Bar or PSI Mass flow kg/sec or volume flow plus SG head, supply length, diameter delta p of restriction, viscosity cP valve opening time after pump turn off pump spin down time after valve closure centrifugal compressibility in parts of a liter per bar, pressure change average diameter pipe length elasticity of pipe wall impeller diameter valve closure time pressure resistance at end steel, concrete, PVC this is not pressure pulsation, the "repeat" of the pressure wave, is just the time that it takes to go the end of the pipe and reflect back rapid valve closure hammer graphics, oscillograph plots, full data requirements, courtesy pulsation analysis and valve slams in 0.1 secs / 100ms fast pump startup, with less surge & shock reduce the force required to accelerate the mass in the pipe system. by providing an accumulator to enable a "soft start" air or N2 Nitrogen Pad, Bar or PSI Mass flow kg/sec or volume flow and SG head, supply length, diameter delta p of restriction, viscosity cP centrifugal impeller diameter Compressibility in parts of a liter per bar, pressure change. Valve opening time after pump turn off Pump spin down time after valve closure Average Diameter Pipe Length Elasticity of pipe wall Steel, Concrete, PVC Pressure resistance at end Again this is not pressure pulsation. If this was pressure pulsation, then the height of each pressure peak, would be near identical. The 5 Hz. frequency is the signature from the length of the pipe with this compressibility of the liquid. Pump Start-up Surge into a pipe that is full graphics, oscillograph plots, full data requirements, courtesy pulsation analysis and pipeline surge/shock prediction service. sudden pump shut-down and no "bang" from the back flow implosion when pump is stopped, momentum continues the flow, making a void after the pump, which causes back-flow; provide a catchment for this to prevent instant arresting from damaging the pump, valves, and pipe air or N2 Nitrogen pad, bar or PSI mass flow kg/sec or volume flow from pump and SG head, supply length, diameter delta p of restriction, viscosity cP centrifugal valve opening time after pump turn off pump spin down time after valve closure RPM impeller diameter compressibility in parts of aliter per bar, pressure change. average diameter pipe length elasticity of pipe wall pressure resistance at end graphics, oscillograph plots, full data requirements, courtesy pulsation analysis and pipeline surge/shock prediction service. Liquid Dynamics Int. Inc. & Ltd. Dissipative is: The pipe being small enough to scrub energy out of the pressure wave, and then to give it up to the atmosphere in the form of heat. From this we learn that it is unwise to oversize the pipes if we need pressure stability. Shut-down back-flow bang flows away from pump momentum pulls a vacuum accelerates back to fill the void comes to a halt to email the minimum essental details to 1 of the shockguards below, please click here ShockGuard Limited ShockGuard USA NOTA BENE: Equipment offered will probably not be suitable for your particular purpose unless all the major parameters of your system are stated in order to enable a selection suction side these times have an exponential effect Air or N2 nitrogen pad, Bar or PSI head + feer or lift - meters supply length supply diameter delta p of any supply restrictions valve opening time after pump turn off pump spin down time after valve closure fast closing block valve closure time average diameter pipe length pressure resistance at end elasticity of pipe wall compressibility in parts of a liter per bar mass flow kg/sec or volume flow from pump and SG viscosity cP grams cm/3 mdmt compatible materials Metel, Elastomer