Type of fitting | Pipe straight length | Pipe diameter, mm | Conformance to Standard [5] -[9] | |||||
Actual | Minimum А | Minimum B | ||||||
Fit. downsrt. of PD | L2, | mm | 4690 | 3069 | 1535 | 511.27 | YesU'L = 0 (see comment 1) | |
L/D | 9.17 | 6.00 | 3.00 | |||||
TT downstr. of PD | Lt2, | mm | 4070 | 2556 | YesU'Lt = 0 | |||
L/D | 7.96 | 5.00 | ||||||
L1, | mm | 10700 | 7160 | 1535 | 511.27 | YesU'L = 0 | ||
L/D | 20.93 | 14.00 | 3.00 | |||||
Fit.1 | Single 90˚ bend | |||||||
L3, | mm | 6440 | 22757 | 11506 | 511.27 | No (see comment 2) | ||
L/D | 12.60 | 44.51 | 22.50 | |||||
Fit.2 | Gate valve | |||||||
L4, | mm | 2240 | 2557 | 0 | 511.27 | |||
L/D | 4.38 | 5.00 | 0.00 | |||||
Fit.3 | Indefinite type of fitting | (see comment 3) |