Steam Valve Databook 17 Feb 2015 Low Res

7/25/2019 Steam Valve Databook 17 Feb 2015 Low Res

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Technical Databook

Steam Valves

with Rotary Actuators

Version 4.0


2/12


3/123V4.0

01.2

015Subjecttomodifcation

Table of Contents

Steam Valves

Product Overview 4

Mechanical Fail-Safe Rotary Actuators

LFH..series 5

SRF..A-..-5 series 6

Dimensions / Precaution for Installation 7Inspection and Maintenance 8

Wiring Diagrams 9


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UL marked actuators is opti onal, please contact your lo cal Sales Representative for details.

Steam Valve - Product overview

0...+175C

100

Ps

90

Valve Material

Technical data

Steam Valves and Rotary Actuators

2-way Steam Valves

DN15...80

Equal-percentage characteristics for modulating

control of cold water, hot water and steam

Appl ications

Heat exchanger

District heating

Connection Flange PN16

Kvs3 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

Valves Sizing

p

3

P1(abs)

P2(abs)

Absolu te pressure

W

Suitable Mechanical Fail-Safe Rotary Actuators, Modulating, DC (0)2...10V

LFH24-SR-S AC/DC 24V SRF24A-SR-5 AC/DC 24V

Suitable Mechanical Fail-Safe Rotary Actuators , Open / Close

LFH24-S AC/DC 24V SRFA-5 AC 24...240V / DC 24...125V

LFH230-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_


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Mechanical Fail-Safe Rotary

Actuators for operation of :

Torque:

Modulating control:

Open/Close control:

DN15...25 Steam Valve

4Nm

LFH24-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


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Mechanical Fail-Safe Rotary

Actuators for operation of :

Torque:

Modulating control:

Open/Close control:

DN40...80 Steam Valves

20Nm

SRF24A-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


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Dimensions

Steam Valves - Dimensions / Precaution for Installation

Precaution for installation

Valve Type SizeL

(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.


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Inspection and maintenance

Inspection and Maintenance

CAUTION

Inspection items and details

Inspection item Inspection interval Inspection detail

Troubleshooting

Problem Part to check Action

noise


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AC/DC 24V AC 230V

AC 24...240V

DC 24...125V

1 2

M

T

+

AC 24...240V

DC 24...125V

1 2

A=10 A

> A

B=10...90 B

> BM

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

U

Y

T

+

1 2 3 5

U

Y

T

+

AC/DC 24VAC/DC 24V

DC (0)2...10V

DC 2...10V

DC (0)2...10V

DC 2...10V


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Steam Valve Databook 17 Feb 2015 Low Res