Setting up solar (timer) auto irrigation system 太阳能(timer)自动灌溉系统

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20251111 Tuesday 1630 raining, stormy

Setting up solar (timer) auto irrigation system 太阳能(timer)自动灌溉系统

1.2 寸     
30.48 毫米 

1 英寸 = 25.4 毫米
1 寸 = 32 mm
(25/32)

6 分管   (2.5 cm)   3/4 inch pipe 
(21/25) 直径外径 25 毫米

4 分管    (2 cm )1/2 inch pipe 
 (16/20) -  external diameter 20 mm / inner diameter about 13 mm / thickness about 3 mm

8/11 毛管
 external diameter 11 mm, inner diameter 8 mm

4/7 毛管
external diameter 7 mm, inner diameter 4 mm 

PLANNING THE CONNECTORS


开孔器  1.2 寸 (30.48 毫米 )
3 x 



开孔器  6 分 (25 毫米 
2 x 


水喉出口  6 分管  (21/25) 直径外径 25 毫米

4 分管 (16/20)    Main Pipe Circular both ends connected to the water tank.


  x  2

8/11 毛管

  x 2

4/7 毛管