SBRA (DN15 - DN25 screwed)
NSRA (DN65 - DN80 screwed)
NSRA (DN65 - DN80 flanged)
BXRA (DN15 screwed)
BMFRA (DN15 flanged)
BMRA (DN15 flanged)
Cast carbon steel
Size and pipe connections
KY51 (DN32 - DN50 screwed)
KY31 (DN32 - DN50 screwed)
KY33 (DN32 - DN50 screwed)
KY43 (DN32 - DN50 flanged)
4.5.10
Valve model
BMRA
KX43
Optional bleed
available
KY43
Balanced by
phosphor
bronze bellows.
Optional bleed
available.
PN25
DN15
Flanged
Body design Balanced
PN40
rating
Kvs
0.59
2.90
4.64
9.80
16.48
23.70
34.00
16.48
23.70
34.00
Maximum
P (bar)
10.3
12.0
7.0
3.5
2.3
1.7
1.1
9.0
8.2
6.9
Stroke
mm
3.2
3.2
4.0
5.6
8.0
9.0
9.5
8.0
9.0
9.5
Control valves
Self-acting controls
KX31 (DN15 - DN25 screwed)
KX33 (DN15 - DN25 flanged)
KX51 (DN25 screwed)
PN25
DN15
PN40
DN20
PN40
DN25
PN40
DN32
PN40
DN40
PN40
DN50
PN40
DN32
PN40
DN40
PN40
DN50
PN40
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•
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•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
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Page 9 of 12
2-Port Self-acting Temperature Control Valve Selection
for Heating and Cooling Applications
TI-S21-07 CH Issue 1
Page 9 of 12
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•
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KX31 (DN32 - DN50 screwed)
KX33 (DN32 - DN50 flanged)
KX43 (DN15 - DN50 flanged)
KX51 (DN32 - DN50 screwed)
Control system options
S
A
1
2
1
S
A
1
2
2
S
A
1
2
3
S
A
1
2
8
S
A
4
2
2
S
A
4
2
3
