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Leading Manufacturer, Supplier & Retailer of PIPE SURGE AND WATER HAMMER.
Pipe surge & water hammer are two related but independent phenomena which arise when fluid flowing in a pipe is accelerated or decelerated. The associated pressure transients can be damaging to pipe work or components and systems must be designed to avoid or withstand them. The equipment designed clearly demonstrates the different effects resulting from gradual or instantaneous changes in fluid velocity (created by slow and fast valve closure). Effect of initial fluid velocity can also be investigated. Pipe surge resulting from a gradual change in fluid velocity is clearly seen as fluctuating changes in head in a surge shaft. Water hammer resulting from a rapid change in fluid velocity is clearly seen as large changes in pressure monitored using a pair of transducers and indicated using an oscilloscope. The equipment comprises two SS pipes connected to a constant head tank. A service module provides the water supply to the head tank and also incorporates a volumetric tank for flow rate measurement, sump tank, circulating pump and flow control valve. Water enters the two test pipes via the constant head tank and discharges into the volumetric tank. A dump valve in the volumetric tank returns the water to the sump tank. The pipe surge test section incorporates a clear acrylic surge shaft to enable visualisation of its oscillatory characteristics to be demonstrated. A metric scale on the shaft permits the height of the oscillations to be measured. The test pipe terminates with a lever operated gate valve and separate flow control valve. The water hammer test section uses a unique fast acting valve specifically designed. Pressure transducers mounted at the fast acting valve itself and at a point along the test pipe provide analogue outputs which are fed into a signal conditioning module. The corresponding output voltage from the signal conditioning module can then be fed into a dual trace oscilloscope. Output is available from the oscilloscope. This allows the stored display to be transferred onto a suitable printer to provide a hard copy of the transient.
Mass International (Mass International)
93, Preet Nagar, Jagadhri Road, Cantt- , Ambala, Haryana - 133001, India
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