1、钢塑复合管壁厚标准 通径 钢管壁厚 度 衬塑厚度 可承受压力 MPa 1 15mm 2.2mm 1.5mm_+0.2 可承受 1.0Mpa 2 15mm 2.3mm 1.5mm 可承受 1.0Mpa 3 15mm 2.5mm 1.5mm 可承受 1.6Mpa 4 15mm 2.75mm 1.5mm 可承受 1.6Mpa 5 20mm 2.2mm 1.5mm 6 20mm 2.3mm 1.5mm 7 20mm 2.5mm 1.5mm 8 20mm 2.75mm 1.5mm 9 25mm 2.5mm 1.5mm 10 25mm 2.75mm 1.5mm 11 25mm 3.0mm 1.5mm 12
2、 25mm 3.25mm 1.5mm 13 32mm 2.5mm 1.5mm 14 32mm 2.75mm 1.5mm 15 32mm 3.0mm 1.5mm 16 32mm 3.25mm 1.5mm 17 40mm 2.75mm 1.5mm 18 40mm 3.0mm 1.5mm 19 40mm 3.25mm 1.5mm 20 40mm 3.5mm 1.5mm 21 50mm 2.75mm 1.5mm 可承受 1.0Mpa 22 50mm 3.0mm 1.5mm 可承受 1.6Mpa 23 50mm 3.25mm 1.5mm 可承受 1.6Mpa 24 50mm 3.5mm 1.5mm 可承
3、受 1.6Mpa 25 65mm 3.0mm 1.5mm 26 65mm 3.25mm 1.5mm 钢塑复合管壁厚标准 27 65mm 3.5mm 1.5mm 28 65mm 3.75mm 2.0mm 29 80 mm 3.25mm 2.0mm 30 80 mm 3.5mm 2.0mm 31 80 mm 3.75mm 2.0mm 32 80 mm 4.0mm 2.0mm 33 100 mm 3.25mm 2.0mm 34 100 mm 3.5mm 2.0mm 35 100 mm 3.75mm 2.0mm 36 100 mm 4.0mm 2.0mm 37 125 mm 3.5mm 2.5mm 3
4、8 125 mm 3.75mm 2.5mm 39 125 mm 4.0mm 2.5mm 40 125 mm 4.25mm 2.5mm 41 150 mm 3.5mm 2.5mm 42 150 mm 3.75mm 2.5mm 43 150 mm 4.0mm 2.5mm 44 150 mm 4.25mm 2.5mm 45 200 mm 4.25mm 2.5mm 46 200 mm 4.5mm 2.5mm 47 200 mm 4.75mm 2.5mm 48 200 mm 5.0mm 2.5mm 49 50 51 52 53 钢塑复合管壁厚标准 衬塑钢管 DN15 21.3 0.4 20.9 21.7
5、 12.8 13.4 2.8 12.5% +( 1.50.2) 2.45+( 1.3-1.7) 3.15+( 1.3-1.7) 6 DN20 26.9 26.5 27.3 18.3 18.9 DN25 33.7 33.3 34.1 24.0 24.8 3.2 2.8+( 1.3-1.7) 3.6+( 1.3-1.7) DN32 42.4 42.0 42.8 32.8 33.6 DN40 48.3 47.9 48.7 38.0 39.0 3.5 3.06+( 1.3-1.7) 3.94+( 1.3-1.7) DN50 60.3 0.5 59.8 60.8 50.0 51.0 DN65(70) 7
6、6.1 75.6 76.6 65.0 66.2 3.8 3.33+( 1.3-1.7) 4.28+( 1.3-1.7) DN80(75) 88.9 88.4 89.4 76.5 77.9 4.0 12.5% +( 2.00.2) 3.5+( 1.8-2.2) 4.5+( 1.8-2.2) DN100 114.3 113.8 114.8 102.0 103.4 DN125 139.7 139.2 140.2 128.0 130.0 DN150 168.3 167.8 168.8 151.0 153.0 4.5 12.5% +( 2.50.2) 3.94+( 2.3-2.7) 5.06+( 2.3-2.7) 根据 给水衬塑复合钢管 行业标准 (CJ/T136-2001)