流程图 A - GF NeoFlow Betriebsanleitung

NeoFlow 减压阀
8.2 流程图 A
NeoFlow 减压阀出现功能故障（例如泄漏、无法达到所需出口压力或者无法保持出口压力）。
Fittings/Pipes Pilot leakage indicator
Retighten, seal or
replace all leaking
components
Outlet pressure
too high
See flowchart B -
variant 1
先导阀弹簧颜色 调节压力范围
代码 (bar [g])
银色
0.0 - 3.0
黑色
1.0 - 8.0*
红色
1.0 - 16.0
*标准版
346
Yes
REASON:
Error with the
Pilot Valve
ACTION:
Pilot valve main-
tenance
Check outlet
pressure at KH5
Outlet pressure
too low
Does the inlet pressu-
See flowchart B -
variant 2
调节敏感性
（bar/圈）
0.18
0.43
1.53
Are there any visible
leaks on the
NeoFlow pressure
reducing valve?
No
Are the ball valves
KH1-KH3 open?
No
Yes
Is the pilot valve
spring color coding
correct for the desi-
red outlet pressure?
Yes
Outlet pressure
unstable
No
re fluctuate?
Yes
REASON:
Network problems
(input pressure too
low)
REASON:
Ball valves closed
ACTION:
Open ball valves and recom-
mission the NeoFlow pressu-
re reducing valve
REASON:
Incorrect pilot valve spring
color coding
ACTION:
No Replace pilot valve spring
and recommission
NeoFlow pressure redu-
cing valve
REASONS:
- Set outlet pressure too high
- Damping valve too wide open
- Air in control chamber
- Control system malfunction
ACTIONS:
- Reset set outlet pressure
- Reset damping valve, see chapter "Reduce
output pressure fluctuations"
- Open KH4 for approx. 20 sec.
- Restart pilot valve
操作说明