Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
losses in valves and fittings
Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics
The loss of head in the various valves and fittings (such as tees, elbows, and bends) is given by the relation :
LOSSES IN VALVES AND FITTINGS • The loss of head in the various valves and fittings (such as tees, elbows, and bends) is given by the relation : where K = Constant of proportionality called 'the K-factor'. • The value of K-factor depends on the type of valves and pipe fittings. Table 3.2 gives typical K-factor values for several common types of valves and fittings. • If the loss of head HL is known, it can be expressed into equivalent pressure drop by using the relation, where woil = Weight density of oil flowing through valves and fittings. Table 3.2. K-factors of common valves and fittings Note 1. The most commonly used flow measuring devices are rotameter, turbine flowmeter, orifice flowmeter, and sight flow indicator. 2. The two important pressure measuring devices are Bourdon gauge and Schrader gauge.
Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps : Tag: : Fluid Power Priniciples and Hydraulic Pumps - Hydraulics and Pneumatics - losses in valves and fittings
Hydraulics and Pneumatics: Unit I: Fluid Power Priniciples and Hydraulic Pumps
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Hydraulics and Pneumatics
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