AERCO MXG-461 Series Control Valve - Manufactured by Siemens - Manual (Page 10)

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Siemens Modulating control valves with magnetic actuators, PN16 CA1N4455en
Building Technologies 15.12.2009
Functional valve data PN class PN 16 to EN 1333
Permissible operating pressure 1 MPa (10 bar)
Differential pressure Δp max / Δp
S
Refer to table "Type summary", page 2
Leakage rate at
Δp = 0.1 MPa (1 bar) A → AB max. 0.02 % k
VS
(to DIN EN 1349)
B → AB < 0.2 % k
VS
depending on operating
conditions
Valve characteristic 1) Equal percentage, n
gl
= 5.3 to VDI / VDE 2173 or
linear, optimized near the closing point
Permissible media MX..461.. Chilled and low-temperature hot water, water
with anti-freeze;
Recommendation: water treatment to VDI 2035
MX..461..P Mineral oils SAE05 ... SAE50, mineral-oil-based
diesel fuels, heat transfer oils
Medium temperature 1...130 °C
Stroke resolution ΔH / H
100
1 : 1000 (H = stroke)
Hysteresis typically 3 %
Position when deenergized A → AB closed
Mounting position Upright to horizontal
Mode of operation Modulating
Manual operation Possible, max. 90 %
Materials Valve body Cast iron EN-GJL-250
Plug CrNi steel (X12CrNiS18 8)
Seat Brass (CuZn39Pb3)
Valve stem seal MX..461.. EPDM (O-ring)
MX..461..P Fluororubber – FPM product (Viton)
Bellows Tombac (CuSn6), bronze (CuSn9), CrNi steel
Dimensions / weight Dimensions Refer to "Dimensions", page 12
Weight Refer to "Dimensions", page 12
Norms and standards CE conformity
to EMV-requirements
2004/108/EC
Immunity EN 60730-1:2000/A16:2007 2)
Emission EN 60730-1:2000/A16:2007
Electrical safety 60730-1
Protection class Class III to 60730
Pollution degree Class 2 to EN 60730
Housing protection
Upright to horizontal
IP54 to EN 60529 (with M20 cable gland)
Vibration 3) IEC 60068-2-6
(1 g acceleration, 1...100 Hz, 10 min)
Conform to UL standards
CSA, Canada
C-tick
UL 873
C22.2 No. 24
N 474
Environmental compatibility ISO 14001 (Environment)
ISO 9001 (Quality)
SN 36350 (Environmentally compatible
products)
RL 2002/95/EG (RoHS)
Permissible operating pressure PED 97/23/EC
Pressure accessories As per article 1, section 2.1.4
Fluid group 2: DN15…DN50 • Without CE-marking as per article 3, section 3
(sound engineering practice)
DN 65 • Category I, module A, with CE-marking
1) Can be selected via DIL switch
2) Transformer 160 VA (e.g. Siemens 4AM 3842-4TN00-0EA0)
3) In case of strong vibrations, use high-flex stranded wires for safety reasons.