Seat Width

Source Permission to reproduce table from EN 1335-1 2000 is granted by the British Standards Institution. 

According to Pheasant and Haslegrave (2006), in terms of support, a seat width that is 25 mm less on either side than the maximum hip breadth is all that is required (435 - 25 - 25 = 385 mm). This recommendation is compatible with EN 1335-1 2000, which recommends a minimum width of 400 mm 

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B, = bolt spacing, in. b = effective gasket width, in. b() = gasket seating width, in. 

An adjustable office chair that allows variation for seat height, seat depth, seat width, lumbar support, backrest, armrests, and the ability to swivel. These adjustments increase comfort and positioning in supported, neutral positions. To reduce the risk of work-related injuries from long periods of time spent at a desk or on a computer. See also Ergonomics. 

Ab = Area of bolts, in, Ra x n Fy = Minimum specified yield strength, PSI G = Mean gasket diameter, in n = Number of bolts N = Gasket seating width, in Ra = Root area of one bolt, in ... 

Abutment seat width normal to the center line of bearing (in)... 

Seat width and depth accommodate specilic employees (seat pan not too big/small). 

Here Wmi is the gasket seating load, b is the effective gasket seating width, and G is the minimum gasket diameter. When the joint is pressurized by the fluid in the pressure vessel, the operating bolt load, W i is given by... 

Restrainers/Expansion Joint Seat Width Extenders/Steel Plates/Bumper Blocks... 

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