American standard pipe flanges and flanged fittings standard

this book listed in the standard American standard pipe flanges and flanged fittings for 2009. This is the the most significant revision of the standard version. In 2003, ASME B16. 5 litres of version, compared with the previous version of the Industrial Valves standards are quite different. It will be metric units as the main reference units, at the same time to put in brackets or single form keep U. S. customary units. The purpose of which is the standard the next release, delete unit is commonly used in the United States. The standard USES the ASME boiler and pressure vessel code, the first Ⅱ D the latest version of the piece of data to calculate all the pressure Temperature rating. Some materials has risen from a combination of parallel to another group, also adds new materials. At the same time, the revised 150 pounds and 300 pounds of flange thickness, flange sealing surface and them with the flange thickness and center to the client and the relationship between the end-to-end dimensions. Modify the flange thickness size datum. But the thickness of the flange remain the same. Minimum flange thickness logo has been changed from C to f t, t f not including 150 pounds and 300 pounds of flanges and flanged fittings of 2. 0 ( 0. 06) Tu. In addition, the combined grade welding neck flange as a new gens flange level from 150 to 2500 pounds. The standard approved by the standards committee and ASME Industrial Valves, released on July 9, 2003.

this section only lists the flange standard (class of 150 ~ 2500 commonly used Figure 1 - 17, - in table 1 Table 1 107 ~ - 113). 。 Detailed content and correlative standard flange pipe fittings, please refer to the ASME B16. 5 - 2009 standard for pipe flanges and flanged fittings.

figure 1 - 17 side Industrial Valves flange sealing surface and

in table 1 Class 150 units flange dimensions: 107 mm

- in table 1 Class 300 flange size unit: 108 mm - in table 1 Class 400 flange size unit: 109 mm - in table 1 Class 600 flange size unit: 110 mm - in table 1 111 class 900 valves flange size units: mm

in table 1 Class 1500 flange size unit: 112 mm - in table 1 Class 2500 units flange dimensions: 113 mm

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