steam valves with rotary actuators · 2015-05-15 · ul marked actuators is optional, please...
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Table of Contents
Steam ValvesProduct Overview 4Mechanical Fail-Safe Rotary ActuatorsLFH..series 5SRF..A-..-5 series 6Dimensions / Precaution for Installation 7Inspection and Maintenance 8Wiring Diagrams 9
4 UL marked actuators is optional, please contact your local Sales Representative for details.
Steam Valve - Product overview
0...+175°C
100
Ps
90°
Valve Material
Technical data
Steam Valves and Rotary Actuators
2-way Steam ValvesDN15...80
Equal-percentage characteristics for modulating control of cold water, hot water and steam
Applications
Heat exchangerDistrict heating
Connection Flange PN16Kvs 3 1.4 2.2 3.5 5.2 21.6 34.5 56.0
DN 15 15 15 15 15 25 25 40 40 50 65
Flow characteristics of Steam Valves
kv
Y
Valve’s Sizing
p3
P1(abs)P2(abs)Absolute pressureW
Suitable Mechanical Fail-Safe Rotary Actuators, Modulating, DC (0)2...10VLFH24-SR-S AC/DC 24V SRF24A-SR-5 AC/DC 24V
Suitable Mechanical Fail-Safe Rotary Actuators, Open / CloseLFH24-S AC/DC 24V SRFA-5 AC 24...240V / DC 24...125VLFH230-S AC/DC 230V SRFA-S2-5 AC 24...240V / DC 24...125V
V100
k =
100
1+P2
k =0.162
1/2
P1
k =0.14
> P1/2_
5UL marked actuators is optional, please contact your local Sales Representative for details.
Mechanical Fail-Safe Rotary Actuators for operation of: Torque:Modulating control:Open/Close control:
DN15...25 Steam Valve4NmLFH24-SR-S (AC/DC 24V)LFH24-S (AC/DC 24V)LFH230-S (AC 230V)
LFH.. series Mechanical Fail-Safe Rotary Actuators
Technical data
LFH24-S
LFH230-S
LFH24-SR-S
Basic technical data
EMC
2
95°
IP54
5VA
7VA
40...75s
7VA
40...75s
6 UL marked actuators is optional, please contact your local Sales Representative for details.
Mechanical Fail-Safe Rotary Actuators for operation of: Torque:Modulating control:Open/Close control:
DN40...80 Steam Valves20NmSRF24A-SR-5 (AC/DC 24V)SRFA-5, SRFA-S2-5 (AC 24 ...240V) (DC 24 ...125V)
SRF..A-..-5 series Mechanical Fail-Safe Rotary Actuators
Technical data
SRFA-5
SRFA-S2-5
SRF24A-SR-5
Basic technical data
EMC
90°
IP54
2
2
2
2
7UL marked actuators is optional, please contact your local Sales Representative for details.
Dimensions
Steam Valves - Dimensions / Precaution for Installation
Precaution for installation
Valve Type Size L(mm)
L1(mm)
H(mm)
H1(mm)
D(mm)
C(mm)
g(mm)
t(mm)
h(mm) N Weight
(kg)50 147 75 95 65 46 16 14 4 3.0
127 60 147 90 115 65 14 4 4.9
165 162 103 150 110 20 19 4 9.0
162 107 165 125 99 20 19 4 11.0
190 90 162 124 145 22 19 4 15.6
203 100 162 125 200 160 132 22 19
Caution
Caution (avoid cavitation)
Caution:
1. 2. 3. 4. 5. 6. 7.
9.
UL marked actuators is optional, please contact your local Sales Representative for details.
Inspection and maintenance
Inspection and Maintenance
CAUTION
Inspection items and details
Inspection item Inspection interval Inspection detail
Troubleshooting
Problem Part to check Action
noise
9UL marked actuators is optional, please contact your local Sales Representative for details.
AC/DC 24V AC 230V
AC 24...240VDC 24...125V
1 2
M
T
– +AC 24...240VDC 24...125V
1 2
A=10° A°
> A° B =10...90°B°
> B°M e
T
– +
Steam Valves - Wiring Diagrams
Wiring diagrams
SRFA-5 SRFA-S2-5
LFH24-SR-S SRF24A-SR-5
LFH230-SLFH24-S
1 2 3 5
UY
T
– +
1 2 3 5
UY
T
– +AC/DC 24VAC/DC 24V
DC (0)2...10VDC 2...10V
DC (0)2...10VDC 2...10V
ASIA PACIFIC HEADQUARTERSBelimo Actuators Ltd.
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Belimo CHINA
Belimo HONG KONG
Belimo INDIA
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