The Pipeline Shock Prevention People
Pump Start-up surge, Valve closure shock, Pump shutdown back flow bang.
Large vessels for high pressures with matching bladders, diaphragms, gas bags, and bellows, for over a third of a century.

ShockGuard Ltd. offer shock alleviators. | Please phone USA 910-270-2737
We have people not voicemail. | Call toll free 1-888-DAMPERS

Fluid Flow Control Animations
Fluid Flow Control Animations

Were introduced in the 1970s, SURGEGUARD re-introduced 1980

ShockGuard certificates and patents

SHOCKGUARD is the US and UK registered trade mark of SHOCKGUARD Ltd.
is the US and UK registered trade mark of PULSEGUARD Ltd. & Inc.
TEFLON is the registered trade mark of EI DuPont, FLEXFLON is the trademark of Liquid Dynamics International Ltd.

For Asia and Europe:
go to
Fax --44(0)161-480-9627
Phone --44(0)161-480-9625
Free fax 0800-174088
Free-phone 08080-567-7423
PO Box 47 Stockport SK5 7BB UK
Hurstfield Industrial Estate
Hurst St. Reddish Stockport
For the Americas:
go to
Fax 910-270-2740
Phone 910-270-2737
Free fax 888-847-8356
Toll free 888-326-7377
Box 506 Hampstead NC 28443 USA
295 RS 1563 off Hwy. 17 N
Sloop Point NC 28443


Hydrotrole Hydropneumatic / Hydraulic Accumulators CEO Diane Bebb - CEO - HYROTROLE Ltd.Hydraulic Accumulators and Hydropneumatic Accumulators
Technology Licensing Martin Packer (Patents, Designs, and Tech Support) - HYROTROLE Ltd.Hydraulic Accumulators and Hydropneumatic Accumulators

Pulsation Dampeners and Pulsation Dampers
PulseGuard - Fur Deutchland

Our Predecessor, the original licensee

Hydraulic Accumulators and Hydraulic Accumulators HYROTROLE Ltd.


ShockGuard Shock / Surge Alleviators and Accumulators
Water Hammer and Pipeline Shock / Surge Prevention Equipment
STOP Pump start up surge, Valve closure shock, and Shut down back flow water hammer.
Call Toll Free 1-888-326-7377, UK Europe -- 44(0)161-480-9625, or Contact Us Online.

Understanding How it Works
Shock alleviators and shock accumulators do not alleviate shock, nor do surge alleviators and surge accumulators alleviate surge. SurgeGuard, JumboFlex, and Floatolator all work in the same way. They provide a soft place, so that the pump does not have to instantly accelerate all the liquid in the pipe system when it starts. Similarly, they provide a place into which flow can continue, for a time, against increasing resistance, when a a valve has been slammed. In both cases, because time has been increased, peak pressure generation is decreased. In short, they all prevent the peak pressure from being generated. /

Other Important Sites to Help You

Fluid Flow Control The Fluid Flow Control Source Pumps Accumulators Filters Dampers Heat Exchangers Valves Mixers P.I. / Pressure Indicators Controls Meters Vessels