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Rated Internal Working Pressures
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Trunnion Mounted Ball Valves - Bonney Forge®
bonneyforge.comen the ball and seats, so even at full rated working pres - sure operating torque remains low. This is particularly advantageous when the ball valve is actuated because it reduces the size of the actuator and hence the overall costs of the valve actuation package. Advantages of trunnion ball design is the lower ope-
Vertical Installation Technical Specification - James Hardie
www.jameshardie.co.nzx 45mm and using an internal lining material such as Villaboard Lining or a 10mm plasterboard. Table 1 Insulation capability Climate zone R-value requirement Minimum cavity insulation infill requirement 1 and 2 1.9 m2 ºC/W R2.0* 3 2.0 m2 ºC/W R2.2* Total construction R-value depends on the insulation material used and the framing ratio.