Hinge force calculator
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force exerted by the seat. The calculated maximum bearing stress in the hinge pin was 23,252 psi which is less than the 30 ksi yield stress allowed by ASME-Section III. Operability of the valve is assured by using a faulted loading combination and the stresses falling within material allowables for service level A. Pin deflection is negligible.
Opening Force. The opening force requirements are the same for both the 2009 edition of ICC A117.1 – Accessible and Usable Buildings and Facilities (Section 404.2.8), and the 2010 Americans With Disabilities Act Standards (Section 404.2.9). The maximum opening force for interior hinged doors is 5 pounds.