- 4 A Vertical Spring Loaded Valve Is Required For A Compressed Air Receiver The Valve Is To Start Opening At A Pressure 1 (25.17 KiB) Viewed 69 times
4. A vertical spring loaded valve is required for a compressed air receiver. The valve is to start opening at a pressure
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4. A vertical spring loaded valve is required for a compressed air receiver. The valve is to start opening at a pressure
4. A vertical spring loaded valve is required for a compressed air receiver. The valve is to start opening at a pressure of 1 N/mm² gauge and must be fully open with a lift of 4 mm at a pressure of 1.2 N/mm² gauge. The diameter of the port is 25 mm. Assume the allowable shear stress in steel as 480 MPa and shear modulus as 80 kN/mm². Design a suitable close coiled round section helical spring having squared ground ends. Also specify initial compression and free length of the spring. [Ans. d = 7 mm; D = 42 mm ; n = 13]
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