Product/Service

Shock Traps

Source: PULSCO
WHY SHOULD YOU BE CONCERNED ABOUT PRESSURE TRANSIENTS IN YOUR FLUID SYSTEM
WHY SHOULD YOU BE CONCERNED ABOUT PRESSURE TRANSIENTS IN YOUR FLUID SYSTEM…

ANY FLUID TRANSPORTING SYSTEM—LARGE OR SMALL—IS SUBJECT TO TRANSIENT FLOW CONDITIONS AND THEREFORE PRESSURE TRANSIENTS. PRESSURE TRANSIENTS IN FLUID PIPELINES ARE COMMONLY CALLED "SHOCK", " WATER HAMMER", OR "SURGE", THE MAGNITUDE OF THE PRESSURE TRANSIENT IS A FUNCTION OF THREE PRIMARY PARAMETERS: CHANGE IN FLUID VELOCITY, FLUID DENSITY, and PRESSURE WAVE SPEED.

PRESSURE TRANSIENTS IN A FLUID SYSTEM GENERALLY ORIGINATE FROM START START-OR SHUT DOWN OF A PUMP AND RAPID OPENING OR CLOSING OF A VALVE. THE EFFECTS MIGHT BE INSIGNIFICANT OR THEY COULD BE DEVASTATING. ALL FLUID SYSTEMS CAN BE EXPOSED TO PRESSURE TRANSIENTS SEVERE ENOUGH TO CAUSE: PUMP AND VALVE DAMAGE, PIPELINE FAILURES, LOSS OF SYSTEM, INCREASED COSTS.
THESE PROBLEMS ARE COMMON TO SYSTEMS SUCH AS:

  • WATER TRANSMISSION LINES
  • WATER DISTRIBUTION SYSTEMS
  • BOOSTER PUMP STATIONS
  • SEWAGE FORCE MAINS
  • WASTEWATER DISPOSAL SYSTEMS

EVEN AT FLUID VELOCITIES AS LOW AS 2.0 FT/SEC, ANY OF ONE OF THESE SYSTEMS CAN FEEL THE EFFECTS OF EXCESSIVE PRESSURE TRANSIENTS. THE COMPLEXITY OF EACH SYSTEM AND POTENTIAL SEVERITY OF THE PROBLEM REQUIRES ACCURATE AND DETAILED ANALYSIS TO EFFECT THE PROPER CONTROLS WHERE REQUIRED, OR TO ASSURE THAT THE SYSTEM IS FREE FROM THE POSSIBILITY OF DAMAGE.

PULSCO SURGE ARRESTORS ELIMINATE WATER HAMMER BY POSITIVE CONTROL, PREVENTING COLUMN SEPARATION, ASSURING PREDICTABLE—SIMPLE—SAFE OPERATION OF THE FLUID SYSTEM.

PULSCO , 17815 Sky Park Circle Suite H, Irvine, CA 92614-6110. Tel: 949-261-1717; Fax: 949-975-0532.