User Manual
Functional valve data PN class PN 40 to EN 1333
Perm. pressure 4.0 Mpa (40 bar)
1)
Max. differential pressure ∆p
max
2.5 Mpa (25 bar)
Leakage rate (internally across seat)
max. 0.002 % k
vs
or
max. 1 Nl/h gas at ∆p = 4 bar
(must not be used for safety shutoff functions)
Permissible media ammonia (R717), CO
2
(R744) and all
standard refrigerants (HFKW, HFCKW,
FCKW);
not suited for use with inflammable
refrigerants
Medium temperature – 40...120 °C; max. 140 °C for 10 min
External seal hermetically sealed!
Valve characteristic (stroke, k
v
) linear (to VDI / VDE 2173)
Stroke resolution
∆H
/
H100
1 : 1000 (H = stroke)
Mode of operation modulating
Position when deenergized closed
Mounting position
2)
upright to horizontal
Positioning time < 1 s
Materials Valve body steel / CrNi steel
Seat / piston CrNi steel
Sealing disk / O-rings PTFE / CR
Pipe connections Flanges as per EN 1092-1 DIN 2635 form F
DIN 2512
Electrical connections Cable entry glands 3 x 20.5 mm dia. (for M20)
Min. cross-sectional area of cable 0.75 mm
2
Max. cable length between transformer /
power supply and valve
65 m with 1.5 mm
2
cable (copper)
110 m with 2.5 mm
2
cable (copper)
160 m with 4.0 mm
2
cable (copper)
Dimensions and weight Dimensions refer to «Dimensions»
Weight 5.750 kg
Norms and standards Protection standard IP 65 to IEC 529
Conformity meets the requirements for CE marking
UL listed for UL 873
C-UL certified to Canadian Standard
C22.2 No. 24
C-Tick N 474
PED 97/23/EC:
pressure bearing equipment
Art. 1, Par. 2.1.4 / Art. 3, Par. 3
AC + DC: immunity
Industrial IEC 61000-6-2
3)
AC: Emissions Residential IEC 61000-6-3
DC: Emissions CISPR 22, class B
HF interference immunity IEC 1000-4-3; IEC 1000-4-6 (10 V/m)
HF interference emission EN 55022, CISPR 22, class B
Vibration
4)
IEC 68-2-6
5 g acceleration, 10...150 Hz, 2.5 h
(5 g horizontal, max. 2 g upright)
1)
On the basis of DIN 3230-3 tested with 1.5 x operating pressure (60 bar)
2)
At 45 °C < T
amb
< 55 °C and 80 °C < T
med
< 120 °C the valve must be installed on its side to avoid
shortening the service life of the valve electronics
3)
Transformer 160 VA (e.g. Siemens 4AM 3842-4TN00-0EA0)
4)
In conjunction with severely vibrating plant, use only highly flexible stranded wires
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Building Technologies Refrigerant Valves PN 40 CE2N4716en
HVAC Products 08.06.2005