Lantern type sight flow indicator is used for low pressure & temperature such as powder , and we can check the state of fluid flow from any directions .
Size A( ¡° )
L
V.L
15( ¨ö )
220
75
20( ¨ú )
25(1)
32(1 ¨ù )
40(1 ¨ö )
50(2)
240
65(2 ¨ö )
80(3)
100(4)
260
125(5)
280
150(6)
200(8)