Troubleshooting; Technical Data; Appendix - Emerson AVENTICS NL1 Instrucciones De Servicio

4. Mount the cover caps on the opposite sides in the reverse order. The cover
cap with the AVENTICS logo should be facing to the front.

10 Troubleshooting

Malfunction Possible cause
Pressure/flow level is not Operating pressure too low
reached or drops off slowly.
Leak on tubing

11 Technical data

Maximum permissible pressure, temperature range, and thread connection are
indicated on the products.
General data
Mounting orientation
Min./max. medium/ambient temperature
Further technical data can be found in our online catalog.

12 Appendix

Figures: View varies according to the series.
I
IV
Fig. 1: Circuit symbols:
I = 2-fold;
II = 3-fold;
III = 4-fold;
IV = Non-return valve, 1-fold;
V = Non-return valve, 4-fold
VI = Center infeed, 1-fold
P
1
Fig. 2: Change flow direction
AVENTICS™ NL1 | NL2 | NL4 | NL6 | R412015553-BAL-001-AD | English
Remedy
• Set higher operating pres-
sure
• Check tubing diameter
Check tubing and tubing con-
nections
Any
-10 °C /+60 °C
II III
V VI
P
1
P
2
P
2
180°
a
1.
Fig. 3: Flange mounting | DIL | Series NL2, NL4, NL6
1.
f
e
Fig. 4: Pipe connection top: DIS | Series NL1
Pipe connection bottom: DIS | Series NL1, NL2, NL4, NL6
2,5 + 0,5 Nm
1.
1.
Fig. 5: Special case NL6-DIL:
Flange connection and pipe connection
2,5 + 0,5 Nm
d
b
c
2. 3.
2. 3.
f
g1
h
g2
d
a
b
c
2.
g i
h
e
g
f
2.
i
11