Technical data
14.1 General technical data
SIPART PS2 with PROFIBUS communication
Operating Instructions, 09/2007, A5E00127926-07
245
Certificates and approvals
Classification according to pressure equipment
directive (PED 97/23/EC)
For fluid group 1 gases; fulfills requirements in
article 3, paragraph 3 (good engineering
practice SEP)
Pneumatic data
Auxiliary power (air supply)
•
Pressure
1,4 ... 7 bar (20.3 ... 101.5 psi): sufficiently
greater than max. drive pressure (actuating
pressure)
Air quality according to ISO 8573-1
•
Solid particulate size and density
Class 2
•
Pressure dew point
Class 2 (min. 20 K (36°F) below ambient
temperature)
•
Oil content
Class 2
Unrestricted flow
•
Air supply valve (vent drive)
4
)
2 bar (29 psi)
4.1 Nm³/h (18.1 USgpm)
4 bar (58 psi)
7.1 Nm³/h (31.3 USgpm)
6 bar (87 psi)
9.8 Nm³/h (43.1 USgpm)
•
Air exhaust valve (depressurize drive)
4
)
2 bar (29 psi)
8.2 Nm³/h (36.1 USgpm)
4 bar (58 psi)
13.7 Nm³/h (60.3 USgpm)
6 bar (87 psi)
19.2 Nm³/h (84.5 USgpm)
Valve leakage
< 6⋅10
-4
Nm³/h (0.0026 USgpm)
Throttle ratio
adjustable up to ∞: 1
Auxiliary power consumption in the controlled state < 3,6⋅10
-2
Nm³/h (0.158 USgpm)
Versions
•
In the plastic enclosure
Single-acting and double-acting
•
In the aluminum enclosure
Single-acting
•
In the pressure-resistant encapsulated
enclosure
Single-acting and double-acting
•
In the stainless steel enclosure
Single-acting and double-acting
4
) When using version EEx d (6DR5..5-...) values
are reduced by approx. 20%.
All the programming manuals mentioned are on the CD-ROM and are available on the
internet.