PHB 2026 Vol-1

A-61

● 최소 압축공기 압력/차압

최소 압축공기 압력 bar g

밸브에서의 차압(ΔP)

DN15 - DN25

DN32 - DN50

10 bar g 15 bar g 20 bar g 25 bar g 30 bar g 32 bar g 42 bar g 63 bar g 68 bar g 80 bar g 100 bar g

0.7 0.9 1.1 1.2 1.4 1.4 1.7 2.4 2.6 2.9 3.6

1.8 2.6 3.3 4.0 4.7 5.0

180

●용량

구경 DN15 DN20 DN25 DN32 DN40 DN50 Kv 4.9 7.2 10 18 용량 (m 3 /h)

160

DN32 - DN50

140

0 0.0 0.0 0.0 0.5 3.5 5.1 7.1 1 4.9 7.2 10.0 10 15.5 22.8 31.6 20 21.9 32.2 44.7 30 26.8 39.4 54.8 40 31.0 45.5 63.2 50 34.6 50.9 70.7 60 38.0 55.8 77.5 70 41.0 60.2 83.7 80 43.8 64.4 89.4 90 46.5 68.3 94.9 100 49.0 72.0 100.0

0.0

12.7 18.0 56.9 80.5 98.6 113.8 127.3 139.4 150.6 161.0 170.8 180.0

120

80 용량 (m 3 /h) 100

DN25

압 력 (bar)

60

DN20

40

DN15

20

0

0 10 20 30 40 50 60 70 80 90 100

압력 (bar)

TI-P405-51 / AB Issue 4

Page 4 of 17

BBV 자동/수동 보일러 하부 블로우다운 밸브 DN15~DN50